mxtwxyttda

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TEA7532

July 1993

MONITOR AMPLIFIER

PROGRAMMABLE GAIN IN STEPS OF 6 dBONOFF POSITION LOW VOLTAGEPOWER 100 mW AT 5 V

DESCRIPTION

This 16 pins IC is designed for monitor(loudspeaker)telephone set and provides

a) Signal amplification for monitoring (loudspeaker)

b) Antiacoustic feedback (antilarsen)

c) Antidistortion by automatic gain adaptation

d) Antilarsen adjustment (full duplex)

DIP16 SO16

ORDERING NUMBERS TEA7532DP (DIP16)TEA7532FP (SO16)

BLOCK DIAGRAM

116

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PIN DESCRIPTION

Ndeg Symbol Description

1 ADJ Adjust Internal Reference VLS

2 ALADJ Antilarsen Adjustement

3 ADS Antidistortion

4 VLS Supply

5 MIC1 Microphone Input

6 MIC2 Microphone input

7 FAL Antilarsen Filter

8 TC1 Antilarsen Time Constant

9 INP Input Signal

10 LS1 Output Loudspeaker 1

11 VREF Internal Resistance


13 GND Ground

141516

PG0PG1

ONOFFInputs Program Level to Loudspeaker

PIN CONNECTION (Top view)

ABSOLUTE MAXIMUM RATINGS

Symbol Parameter Value Unit

Top Temperature Range ndash5 to + 45 degC

VLS Supply Voltage 6 V

ILS Supply Current for T gt 300msfor T le 300ms

90150

mAmA

VL Voltage Level (pins PG0 PG1 onoff) 06 gt to VS + 06 V

TEA7532

216

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FUNCTIONAL DESCRIPTION

TEA7532 performs the following functions The circuit amplifies the incoming signal and feedsit to the loudspeakerPG0 andPG1 inputsare usedto set the loudspeaker gain in a range of 32dB to

14dB in 6dB stepsThe TEA7532 inputs (PG0 PG1 ONOFF) permitthe loudspeaker to be cut-off thus ensuring privacyof communication

- The antilarsen (antiacoustic feedback) system isincorporated

- The maximum power available on a 50Ω imped-ance loudspeaker is 25mW at 3 volts and 100mWat 5V

Limit values for external components R3 min = 5 kΩ (R3 adjust VLS)R7 max = 390 kΩR6 min = R735R max betweenpin 5 and 6 = 10kΩ + C min = 10nF

ELECTRICAL CHARACTERISTICS (Tamb = 25oC ILS = 30mA unless otherwise specified)

Symbol Parameter Test Conditions Min Typ Max Unit

VLS1 VLS Supply ILS = 2mA (fig 7)

ILS = 30mA (fig 7)

26 30

315

34

34

V

VVLSM VLS Maximum Ipin 1 = 50microA (fig 7 So = closed) 55 V

VADJ Voltage Pin 1 ILS = 2mA to 30mA (fig 7) 11 125 14 V

G Loudspeaker Amplifier Gain = V10minus V12

V9 ONOFF PG0 PG1

G000G001G010G011G100

GNDGNDGNDGNDVLS

GNDGNDVLS

VLS

X

GNDVLS

GNDVLS

X

12182430

14202632

ndash 30

16222834

ndash 20

dBdBdBdBdB

THD Distortion f = 300Hz to 2kHzV10 ndash V12 = 08VRMSG = G011 (fig 8)

2

G2 [V(10) ndash V(12)]V2 PG0 = PG1 = VLS V8 = 08V (fig 8) 30 32 34 dB

ZMICIN Microphone Input Symetrical at (pins 5-6)Asymetrical at (pin 6) fig 9 45 kΩ

ZINPIN Earphone Input (fig 9) 22 28 34 kΩ

ZIN2 Antilarsen Adjustment Input 1 12 145 kΩ

VOFFS Ouput Offset[V(10) ndash V(12)]

G011 (fig 8) ndash 50 50 mV

IONOFF

IPG0

IPG1

Input Current ON State VPG1 = 0V (fig 8) ndash 10 ndash 10 ndash 10

ndash 5 ndash 5 ndash 5

microAmicroAmicroA

IONOFF

IPG0

IPG1

Input Current OFF State VPG1 = VLS (fig 8) 111

microAmicroAmicroA

VIL ONOFF

VIL PG0

VIL PG1

Input Voltage ON State 045045045

VVV

VIH ONOFFVIH PG0

VIH PG1

Input Voltage OFF State 151515

VVV

GMIC Microphone Gain = V(7) [V(5) ndash V(6)]VMIC = 10mVRMS f = 2kHz (fig 10)

2 25 235 245 dB

Vg Voltage Pin 8 048 067 075 V

GATT Loudspeaker AttenuatedGain = [V(10) ndash V(12)]V(9)

G011 V8 = 06V (fig 10)G011 V8 = 04V (fig 10) 20

ndash 3030

ndash 20 dBdB

TEA7532

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Figure 1 LoudspeakerGain Versus Voltage onPin (3) - (8) with Pin 2 Open

Figure 3 AC Output Voltage Versus AmplifierGain

Figure 4 Power Available on LoudspeakerVersus VLS Typical Curve

Figure 2 LoudspeakerGain Versus Voltage onPin (3) - (8) and Versus R2 ()

Zin2 (12 K) R2 = 10 K rArr ATT = 20 dB() ATTENUATION =Zin2 (12 K) + R2 (E X T) R2 = 3 K rArr AT T asymp 10 dB

Figure 5 Distortion Versus Output Power Figure 6 Output Power Versus Supply Current

TEA7532

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TEST CIRCUITS

Figure 7 ShuntvoltageRegulator ReferenceVoltage at Pin 1

Note S0 open for VLS 1S0 close for VLSM

Figure 8 LoudspeakerAmplifier GainDistortionOutputOffset

V (10) ndash V (12) Voutbull G = =

V (9) V (9)

bull VOFFS with Vin = 0

VLS = 1GND = 0

Figure 9 Impedance ZMIC ZINP and Zin2

11 V 11 V 11 VZmic = Zinp = Zin2 =

I6 I9 I2

Figure 10 Antiacoustic Feedback System at

G011

S1 S2 S3

G1XX 1 X X

G000 0 0 0

G010 0 1 0

G001 0 0 1

TEA7532

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CIRCUIT DESCRIPTIONTEA7532 is a 16 pin DIL integratedcircuit providingthe following facilities

- Loudspeaker amplifier

- Antiacoustic feed-back system(antilarsen system)

11 LOUDSPEAKER AMPLIFIER

Figure 11

The amplifier is divided into 3 main sections

- AutomaticGain Control (AGC)

- Preamplifier

- Push-pull amplifier (bridge structure)a) The AGC section is used for the antilarsen andantidistortion systembull When used ina telephoneset toavoidlarsen ef-

fect the AGC automatically decreases loud-speaker amplifier gain

bull When the required output level exceeds thecapabilities of the available current the AGC

decreases the loudspeaker amplifier gain toavoid distortion

b) The preamplifier permits step control of amplifiergain in steps of 6 dB using pins PG0 and PG1which may be controlled using switches or by a mi-croprocessorThe amplifier may be mutedusingtheONOFF control signal (pin 16)

c) Theoutput amplifier uses a doublepush-pullcon-figuration(H bridge) to getmaximumdynamic range

under limited supply conditions

Figure 12

TEA7532

616

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Amplifier dc supply

In transmission mode the supply voltageis control-led by the internal shunt DC regulator For this rea-sonthe TEA7532 should be supplied from a current

source

(see supplyconsiderations)An antidistortion system is embodied which pro-vides AGC control to avoid loudspeaker distortionunder current-limited conditions

Figure 13

Circuit action

When the supply voltage is insufficient the voltageat pin 1 falls below the reference voltage 11 V re-sulting in transistor (TR) being switched off resultingin zero current flow in resistor R This state enablesthe gain controlsystem Under these conditionstheshunt DC supply will switch at a rate determined bythe time constant of the RC network on pin 3This switching action accomodatesnormal speech

characteristics under low supply conditions

12 ANTIACOUSTIC FEED-BACK SYSTEM (AN-TILARSEN SYSTEM)

The purpose of this system is to control AGC actionin order to avoid acoustic feed-back between theloudspeaker and the microphone when used in atelephoneset

Figure 14

TEA7532

716

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Figure 15

Principle of operation

When examining the spectral density of the voicearea and the larsen area it can be seen that the

dominant features of each exist in different fre-quencybands

To extract the larsen component the microphonesignal is first filtered by a secondorder filter (formed

by two first order filters) then amplified and rectifiedin order to produce the AGC control signal

The first filter is generated by the capacitors on pins 5 and 6 the second filter by the R-C network on pin 7

Figure 16

Zin 4 kΩV7

A = = 15V5 ndash V6

TEA7532

816

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Figure 17 Antilarsen System Filter Response

Antilarsen system

Filter response

Filter on pins 5 amp 6

C9 + C10f2 =

2π Zin C9 C10

Filter on pin 7

1f1 =

2π (R5+ R6)C5

1f3 =

2π R5 C5

If f2 = f3 the Antilarsen system filter is equivalentto a second order filter

C9 + C10 1=

2π Zin C9 C10 2π R5C5

TEA7532

916

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Figure 18

A complete telephone set has two antilarsensystems

- one in the transmission circuit (for example TEA7051)antisidetone network

- one in the loudspeaker amplifier(for example TEA7532)

Together these form a high efficiency antilarsensystem

PIN FUNCTIONS

PIN 1 ADJUST VLS

This pin is used to adjust the IC supply voltage

PIN 2 ANTILARSEN ADJUSTMENT

The AC signal at this pin is amplified to the loud-speaker without AGC attenuation

PIN 3 AUTOMATIC GAIN CONTROL FILTERThe antidistortion system response is adjusted bythe R-C network on this pinThe AGC will be switched ON when the level on pin3 is greaterthan thereference voltage (04V) theRC-network charges (current source ON) or discharges(current source OFF) accordingto thesupply voltage

TEA7532

1016

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THEORETICAL VOLTAGE ON PIN 3

Figure 19

- The value of R affects the system time constantand the chargedischarge duty cycle

- The value of C only affectsthe system time con-stant

- R shouldbe greateror equalthan 150kΩ forcor-rect AGC operation

Figure 20

PIN 4 CIRCUIT SUPPLY VOLTAGEWith pin1 open circuit VLS is internally stabilized at28 V

Whenthe TEA7532is underAGCcontrol thevoltageon this pin varies slightly (due to AGC action)

TEA7532

1116

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PIN 56 MICROPHONE INPUTS

These are used for antilarsen control

PIN 7 ANTILARSEN FILTER 1

The second filter of the antilarsen system (1 st filter pins 5-6) is formed by the RC network R5C5In order to obtain a second order filter for the anti-larsen system the cut-off frequency defined at thispin should be the same as that chosen for the firstfilter

For correct TEA7532 operation R6 and R5 shouldbe fixed at 10 kΩ and 1 kΩ respectively


The gain and the response of the antilarsen systemcan be adjusted respectively by the resistor and the

capacitor onthis pin according to the acousticchar-acteristics of the telephone set

The value of the resistor should not exceed 390 kΩWhen the voltage on this pin exceeds the thresholdvoltage of 04 V the AGC system is enabled

PIN 9 EARPHONE INPUT

Input for loudspeaker signal

PIN 10-12 LOUDSPEAKER OUTPUTS

Maximum output voltage Vpp = 2 VLS - 25 V (witha gain of 32 dB)

Maximum output current depending of the supplycurrent

Two loudspeakerconnection methods are possibleusing the amplifier in either rdquoHrdquo mode or rdquoBrdquo mode

Note It is advisable to connect a 47 nF capacitorin parallel with the loudspeaker (betweenpins 10 and 12)

- rdquoHrdquo Mode

This is for low voltage working butat a higher supply

current The highest output power is available in thismode due to the 55V maximum supply voltage re-striction imposed by the TEA7532Loudspeakerimpedancerecommendedvalue 50ΩMaximum gain available between earphone inputand loudspeaker output 32 dB

Figure 21

Figure 22

TEA7532

1216

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- rdquoBrdquo ModeThis allows higher voltage operation but at a lowersupply currentLoudspeakerimpedancerecommendedvalue 25Ω

Maximum gain available between earphone inputand loudspeaker output 32 - 6 = 26 dB

PIN 11 Vref INTERNAL REFERENCEOutput which provides an internally regulated refer-ence voltage

Vref = 11 V typical

MAXIMUM AVAILABLE CURRENT 5 microA

Figure 23

PIN 13 GROUND

PIN 14-15 GAIN ADJUSTMENT INPUTS

These pins are used to adjust the loudspeaker am-plifier gain Four steps of 6 dBstep are available(pin open circuit = high level)

PIN 16 LOUDSPEAKER MUTING

This pin is used to mute the loudspeaker Pin open-

circuit high level = loudspeaker mutedPin low level louspeaker enabled (see connectionof pins 14 and 15)

PG0 PG1

1 1 Gmax

1 0 Gmax - lt0gt 6 dB

0 1 Gmax - 12 dB

0 0 Gmax - 18 dB

TEA7532

1316

7252019 mXtwxytTDA


16

1 8

I a 1

L

B e

D

bZ

e3

F

b1

E

9

P M - D I P 1 6 E

P S

DIP16 PACKAGE MECHANICAL DATA

DIMmm inch

Min Typ Max Min Typ Max

a1 051 0020

B 077 165 0030 0065

b 05 0020

b1 025 0010

D 20 0787

E 85 0335

e 254 0100

e3 1778 0700

F 71 0280

i 51 0201

L 33 0130

Z 127 0050

D I P 1 6 T

B L

TEA7532

1416

7252019 mXtwxytTDA


b 1

c1

s

F

C

GL

E

a 1

a 2

A

e

DM

e3

b

16 9

1 8

P M - S O 1 6 E

P S

SO16 PACKAGE MECHANICAL DATA

DimensionsMillimeters Inches


A 175 0069

a1 01 02 0004 0008

a2 16 0063

b 035 046 0014 0018

b1 019 025 0007 0010

C 05 0020

c1 45o (typ)

D 98 10 0386 0394

E 58 62 0228 0244

e 127 0050

e3 889 0350

F 38 40 0150 0157

G 46 53 0181 0209

L 05 127 0020 0050

M 062 0024

S 8o

(max)

S O 1 6 T

B L

TEA7532

1516

7252019 mXtwxytTDA


Information furnished is believed to be accurate and reli able However SGS-THOMSON Microelectronics assumes no responsibility for

the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from itsuse No license is granted by implication or otherwise under any patent or patent rights of SGS-THOMSON Microelectronics Specifica-tions mentioned i n this publication are subject to change w ithout notice This publication supersedes and replaces all information pre-

viously supplied SGS-THOMSON Microelectronics products are not authorized for use as critical components in l ife support devices orsystems without express written approval of SGS-THOMSON Microelectronics

983209 1994 SGS-THOMSON Microelectronics - All Rights Reserved

SGS-THOMSON Microelectronics GROUP OF COMPANIES

Australia - Brazil - France - Germany - Hong Kong - Italy - Japan - Korea - Malaysia - Malta - Morocco - The NetherlandsSingapore - Spain - Sweden - Switzerland - Taiwan - Thaliand - United Kingdom- USA

TEA7532

1616

7252019 mXtwxytTDA


This datasheet has been download from

wwwdatasheetcatalogcom

Datasheets for electronics components

7252019 mXtwxytTDA


PIN DESCRIPTION

Ndeg Symbol Description

1 ADJ Adjust Internal Reference VLS

2 ALADJ Antilarsen Adjustement

3 ADS Antidistortion

4 VLS Supply

5 MIC1 Microphone Input

6 MIC2 Microphone input

7 FAL Antilarsen Filter

8 TC1 Antilarsen Time Constant

9 INP Input Signal


11 VREF Internal Resistance


13 GND Ground

141516

PG0PG1

ONOFFInputs Program Level to Loudspeaker

PIN CONNECTION (Top view)

ABSOLUTE MAXIMUM RATINGS

Symbol Parameter Value Unit

Top Temperature Range ndash5 to + 45 degC

VLS Supply Voltage 6 V

ILS Supply Current for T gt 300msfor T le 300ms

90150

mAmA

VL Voltage Level (pins PG0 PG1 onoff) 06 gt to VS + 06 V

TEA7532

216

7252019 mXtwxytTDA











ILS = 30mA (fig 7)

26 30

315

34

34

V




V9 ONOFF PG0 PG1

G000G001G010G011G100

GNDGNDGNDGNDVLS

GNDGNDVLS

VLS

X

GNDVLS

GNDVLS

X

12182430

14202632

ndash 30

16222834

ndash 20

dBdBdBdBdB


2







IONOFF

IPG0

IPG1



microAmicroAmicroA

IONOFF

IPG0

IPG1


microAmicroAmicroA

VIL ONOFF

VIL PG0

VIL PG1


VVV

VIH ONOFFVIH PG0

VIH PG1


VVV


2 25 235 245 dB



G011 V8 = 06V (fig 10)G011 V8 = 04V (fig 10) 20

ndash 3030

ndash 20 dBdB

TEA7532

316

7252019 mXtwxytTDA








TEA7532

416

7252019 mXtwxytTDA


TEST CIRCUITS





V (9) V (9)


VLS = 1GND = 0



I6 I9 I2


G011

S1 S2 S3

G1XX 1 X X

G000 0 0 0

G010 0 1 0

G001 0 0 1

TEA7532

516

7252019 mXtwxytTDA






Figure 11



- Preamplifier








Figure 12

TEA7532

616

7252019 mXtwxytTDA


Amplifier dc supply


source


Figure 13

Circuit action





Figure 14

TEA7532

716

7252019 mXtwxytTDA


Figure 15







Figure 16

Zin 4 kΩV7

A = = 15V5 ndash V6

TEA7532

816

7252019 mXtwxytTDA



Antilarsen system

Filter response


C9 + C10f2 =

2π Zin C9 C10

Filter on pin 7

1f1 =

2π (R5+ R6)C5

1f3 =

2π R5 C5


C9 + C10 1=


TEA7532

916

7252019 mXtwxytTDA


Figure 18





PIN FUNCTIONS

PIN 1 ADJUST VLS





TEA7532

1016

7252019 mXtwxytTDA



Figure 19




Figure 20



TEA7532

1116

7252019 mXtwxytTDA


















- rdquoHrdquo Mode



Figure 21

Figure 22

TEA7532

1216

7252019 mXtwxytTDA





Vref = 11 V typical


Figure 23

PIN 13 GROUND






PG0 PG1

1 1 Gmax


0 1 Gmax - 12 dB

0 0 Gmax - 18 dB

TEA7532

1316

7252019 mXtwxytTDA


16

1 8

I a 1

L

B e

D

bZ

e3

F

b1

E

9

P M - D I P 1 6 E

P S


DIMmm inch


a1 051 0020

B 077 165 0030 0065

b 05 0020

b1 025 0010

D 20 0787

E 85 0335

e 254 0100

e3 1778 0700

F 71 0280

i 51 0201

L 33 0130

Z 127 0050

D I P 1 6 T

B L

TEA7532

1416

7252019 mXtwxytTDA


b 1

c1

s

F

C

GL

E

a 1

a 2

A

e

DM

e3

b

16 9

1 8

P M - S O 1 6 E

P S




A 175 0069

a1 01 02 0004 0008

a2 16 0063

b 035 046 0014 0018

b1 019 025 0007 0010

C 05 0020

c1 45o (typ)

D 98 10 0386 0394

E 58 62 0228 0244

e 127 0050

e3 889 0350

F 38 40 0150 0157

G 46 53 0181 0209

L 05 127 0020 0050

M 062 0024

S 8o

(max)

S O 1 6 T

B L

TEA7532

1516

7252019 mXtwxytTDA








TEA7532

1616

7252019 mXtwxytTDA





7252019 mXtwxytTDA











ILS = 30mA (fig 7)

26 30

315

34

34

V




V9 ONOFF PG0 PG1

G000G001G010G011G100

GNDGNDGNDGNDVLS

GNDGNDVLS

VLS

X

GNDVLS

GNDVLS

X

12182430

14202632

ndash 30

16222834

ndash 20

dBdBdBdBdB


2







IONOFF

IPG0

IPG1



microAmicroAmicroA

IONOFF

IPG0

IPG1


microAmicroAmicroA

VIL ONOFF

VIL PG0

VIL PG1


VVV

VIH ONOFFVIH PG0

VIH PG1


VVV


2 25 235 245 dB



G011 V8 = 06V (fig 10)G011 V8 = 04V (fig 10) 20

ndash 3030

ndash 20 dBdB

TEA7532

316

7252019 mXtwxytTDA








TEA7532

416

7252019 mXtwxytTDA


TEST CIRCUITS





V (9) V (9)


VLS = 1GND = 0



I6 I9 I2


G011

S1 S2 S3

G1XX 1 X X

G000 0 0 0

G010 0 1 0

G001 0 0 1

TEA7532

516

7252019 mXtwxytTDA






Figure 11



- Preamplifier








Figure 12

TEA7532

616

7252019 mXtwxytTDA


Amplifier dc supply


source


Figure 13

Circuit action





Figure 14

TEA7532

716

7252019 mXtwxytTDA


Figure 15







Figure 16

Zin 4 kΩV7

A = = 15V5 ndash V6

TEA7532

816

7252019 mXtwxytTDA



Antilarsen system

Filter response


C9 + C10f2 =

2π Zin C9 C10

Filter on pin 7

1f1 =

2π (R5+ R6)C5

1f3 =

2π R5 C5


C9 + C10 1=


TEA7532

916

7252019 mXtwxytTDA


Figure 18





PIN FUNCTIONS

PIN 1 ADJUST VLS





TEA7532

1016

7252019 mXtwxytTDA



Figure 19




Figure 20



TEA7532

1116

7252019 mXtwxytTDA


















- rdquoHrdquo Mode



Figure 21

Figure 22

TEA7532

1216

7252019 mXtwxytTDA





Vref = 11 V typical


Figure 23

PIN 13 GROUND






PG0 PG1

1 1 Gmax


0 1 Gmax - 12 dB

0 0 Gmax - 18 dB

TEA7532

1316

7252019 mXtwxytTDA


16

1 8

I a 1

L

B e

D

bZ

e3

F

b1

E

9

P M - D I P 1 6 E

P S


DIMmm inch


a1 051 0020

B 077 165 0030 0065

b 05 0020

b1 025 0010

D 20 0787

E 85 0335

e 254 0100

e3 1778 0700

F 71 0280

i 51 0201

L 33 0130

Z 127 0050

D I P 1 6 T

B L

TEA7532

1416

7252019 mXtwxytTDA


b 1

c1

s

F

C

GL

E

a 1

a 2

A

e

DM

e3

b

16 9

1 8

P M - S O 1 6 E

P S




A 175 0069

a1 01 02 0004 0008

a2 16 0063

b 035 046 0014 0018

b1 019 025 0007 0010

C 05 0020

c1 45o (typ)

D 98 10 0386 0394

E 58 62 0228 0244

e 127 0050

e3 889 0350

F 38 40 0150 0157

G 46 53 0181 0209

L 05 127 0020 0050

M 062 0024

S 8o

(max)

S O 1 6 T

B L

TEA7532

1516

7252019 mXtwxytTDA








TEA7532

1616

7252019 mXtwxytTDA





7252019 mXtwxytTDA








TEA7532

416

7252019 mXtwxytTDA


TEST CIRCUITS





V (9) V (9)


VLS = 1GND = 0



I6 I9 I2


G011

S1 S2 S3

G1XX 1 X X

G000 0 0 0

G010 0 1 0

G001 0 0 1

TEA7532

516

7252019 mXtwxytTDA






Figure 11



- Preamplifier








Figure 12

TEA7532

616

7252019 mXtwxytTDA


Amplifier dc supply


source


Figure 13

Circuit action





Figure 14

TEA7532

716

7252019 mXtwxytTDA


Figure 15







Figure 16

Zin 4 kΩV7

A = = 15V5 ndash V6

TEA7532

816

7252019 mXtwxytTDA



Antilarsen system

Filter response


C9 + C10f2 =

2π Zin C9 C10

Filter on pin 7

1f1 =

2π (R5+ R6)C5

1f3 =

2π R5 C5


C9 + C10 1=


TEA7532

916

7252019 mXtwxytTDA


Figure 18





PIN FUNCTIONS

PIN 1 ADJUST VLS





TEA7532

1016

7252019 mXtwxytTDA



Figure 19




Figure 20



TEA7532

1116

7252019 mXtwxytTDA


















- rdquoHrdquo Mode



Figure 21

Figure 22

TEA7532

1216

7252019 mXtwxytTDA





Vref = 11 V typical


Figure 23

PIN 13 GROUND






PG0 PG1

1 1 Gmax


0 1 Gmax - 12 dB

0 0 Gmax - 18 dB

TEA7532

1316

7252019 mXtwxytTDA


16

1 8

I a 1

L

B e

D

bZ

e3

F

b1

E

9

P M - D I P 1 6 E

P S


DIMmm inch


a1 051 0020

B 077 165 0030 0065

b 05 0020

b1 025 0010

D 20 0787

E 85 0335

e 254 0100

e3 1778 0700

F 71 0280

i 51 0201

L 33 0130

Z 127 0050

D I P 1 6 T

B L

TEA7532

1416

7252019 mXtwxytTDA


b 1

c1

s

F

C

GL

E

a 1

a 2

A

e

DM

e3

b

16 9

1 8

P M - S O 1 6 E

P S




A 175 0069

a1 01 02 0004 0008

a2 16 0063

b 035 046 0014 0018

b1 019 025 0007 0010

C 05 0020

c1 45o (typ)

D 98 10 0386 0394

E 58 62 0228 0244

e 127 0050

e3 889 0350

F 38 40 0150 0157

G 46 53 0181 0209

L 05 127 0020 0050

M 062 0024

S 8o

(max)

S O 1 6 T

B L

TEA7532

1516

7252019 mXtwxytTDA








TEA7532

1616

7252019 mXtwxytTDA





7252019 mXtwxytTDA


TEST CIRCUITS





V (9) V (9)


VLS = 1GND = 0



I6 I9 I2


G011

S1 S2 S3

G1XX 1 X X

G000 0 0 0

G010 0 1 0

G001 0 0 1

TEA7532

516

7252019 mXtwxytTDA






Figure 11



- Preamplifier








Figure 12

TEA7532

616

7252019 mXtwxytTDA


Amplifier dc supply


source


Figure 13

Circuit action





Figure 14

TEA7532

716

7252019 mXtwxytTDA


Figure 15







Figure 16

Zin 4 kΩV7

A = = 15V5 ndash V6

TEA7532

816

7252019 mXtwxytTDA



Antilarsen system

Filter response


C9 + C10f2 =

2π Zin C9 C10

Filter on pin 7

1f1 =

2π (R5+ R6)C5

1f3 =

2π R5 C5


C9 + C10 1=


TEA7532

916

7252019 mXtwxytTDA


Figure 18





PIN FUNCTIONS

PIN 1 ADJUST VLS





TEA7532

1016

7252019 mXtwxytTDA



Figure 19




Figure 20



TEA7532

1116

7252019 mXtwxytTDA


















- rdquoHrdquo Mode



Figure 21

Figure 22

TEA7532

1216

7252019 mXtwxytTDA





Vref = 11 V typical


Figure 23

PIN 13 GROUND






PG0 PG1

1 1 Gmax


0 1 Gmax - 12 dB

0 0 Gmax - 18 dB

TEA7532

1316

7252019 mXtwxytTDA


16

1 8

I a 1

L

B e

D

bZ

e3

F

b1

E

9

P M - D I P 1 6 E

P S


DIMmm inch


a1 051 0020

B 077 165 0030 0065

b 05 0020

b1 025 0010

D 20 0787

E 85 0335

e 254 0100

e3 1778 0700

F 71 0280

i 51 0201

L 33 0130

Z 127 0050

D I P 1 6 T

B L

TEA7532

1416

7252019 mXtwxytTDA


b 1

c1

s

F

C

GL

E

a 1

a 2

A

e

DM

e3

b

16 9

1 8

P M - S O 1 6 E

P S




A 175 0069

a1 01 02 0004 0008

a2 16 0063

b 035 046 0014 0018

b1 019 025 0007 0010

C 05 0020

c1 45o (typ)

D 98 10 0386 0394

E 58 62 0228 0244

e 127 0050

e3 889 0350

F 38 40 0150 0157

G 46 53 0181 0209

L 05 127 0020 0050

M 062 0024

S 8o

(max)

S O 1 6 T

B L

TEA7532

1516

7252019 mXtwxytTDA








TEA7532

1616

7252019 mXtwxytTDA





7252019 mXtwxytTDA






Figure 11



- Preamplifier








Figure 12

TEA7532

616

7252019 mXtwxytTDA


Amplifier dc supply


source


Figure 13

Circuit action





Figure 14

TEA7532

716

7252019 mXtwxytTDA


Figure 15







Figure 16

Zin 4 kΩV7

A = = 15V5 ndash V6

TEA7532

816

7252019 mXtwxytTDA



Antilarsen system

Filter response


C9 + C10f2 =

2π Zin C9 C10

Filter on pin 7

1f1 =

2π (R5+ R6)C5

1f3 =

2π R5 C5


C9 + C10 1=


TEA7532

916

7252019 mXtwxytTDA


Figure 18





PIN FUNCTIONS

PIN 1 ADJUST VLS





TEA7532

1016

7252019 mXtwxytTDA



Figure 19




Figure 20



TEA7532

1116

7252019 mXtwxytTDA


















- rdquoHrdquo Mode



Figure 21

Figure 22

TEA7532

1216

7252019 mXtwxytTDA





Vref = 11 V typical


Figure 23

PIN 13 GROUND






PG0 PG1

1 1 Gmax


0 1 Gmax - 12 dB

0 0 Gmax - 18 dB

TEA7532

1316

7252019 mXtwxytTDA


16

1 8

I a 1

L

B e

D

bZ

e3

F

b1

E

9

P M - D I P 1 6 E

P S


DIMmm inch


a1 051 0020

B 077 165 0030 0065

b 05 0020

b1 025 0010

D 20 0787

E 85 0335

e 254 0100

e3 1778 0700

F 71 0280

i 51 0201

L 33 0130

Z 127 0050

D I P 1 6 T

B L

TEA7532

1416

7252019 mXtwxytTDA


b 1

c1

s

F

C

GL

E

a 1

a 2

A

e

DM

e3

b

16 9

1 8

P M - S O 1 6 E

P S




A 175 0069

a1 01 02 0004 0008

a2 16 0063

b 035 046 0014 0018

b1 019 025 0007 0010

C 05 0020

c1 45o (typ)

D 98 10 0386 0394

E 58 62 0228 0244

e 127 0050

e3 889 0350

F 38 40 0150 0157

G 46 53 0181 0209

L 05 127 0020 0050

M 062 0024

S 8o

(max)

S O 1 6 T

B L

TEA7532

1516

7252019 mXtwxytTDA








TEA7532

1616

7252019 mXtwxytTDA





7252019 mXtwxytTDA


Amplifier dc supply


source


Figure 13

Circuit action





Figure 14

TEA7532

716

7252019 mXtwxytTDA


Figure 15







Figure 16

Zin 4 kΩV7

A = = 15V5 ndash V6

TEA7532

816

7252019 mXtwxytTDA



Antilarsen system

Filter response


C9 + C10f2 =

2π Zin C9 C10

Filter on pin 7

1f1 =

2π (R5+ R6)C5

1f3 =

2π R5 C5


C9 + C10 1=


TEA7532

916

7252019 mXtwxytTDA


Figure 18





PIN FUNCTIONS

PIN 1 ADJUST VLS





TEA7532

1016

7252019 mXtwxytTDA



Figure 19




Figure 20



TEA7532

1116

7252019 mXtwxytTDA


















- rdquoHrdquo Mode



Figure 21

Figure 22

TEA7532

1216

7252019 mXtwxytTDA





Vref = 11 V typical


Figure 23

PIN 13 GROUND






PG0 PG1

1 1 Gmax


0 1 Gmax - 12 dB

0 0 Gmax - 18 dB

TEA7532

1316

7252019 mXtwxytTDA


16

1 8

I a 1

L

B e

D

bZ

e3

F

b1

E

9

P M - D I P 1 6 E

P S


DIMmm inch


a1 051 0020

B 077 165 0030 0065

b 05 0020

b1 025 0010

D 20 0787

E 85 0335

e 254 0100

e3 1778 0700

F 71 0280

i 51 0201

L 33 0130

Z 127 0050

D I P 1 6 T

B L

TEA7532

1416

7252019 mXtwxytTDA


b 1

c1

s

F

C

GL

E

a 1

a 2

A

e

DM

e3

b

16 9

1 8

P M - S O 1 6 E

P S




A 175 0069

a1 01 02 0004 0008

a2 16 0063

b 035 046 0014 0018

b1 019 025 0007 0010

C 05 0020

c1 45o (typ)

D 98 10 0386 0394

E 58 62 0228 0244

e 127 0050

e3 889 0350

F 38 40 0150 0157

G 46 53 0181 0209

L 05 127 0020 0050

M 062 0024

S 8o

(max)

S O 1 6 T

B L

TEA7532

1516

7252019 mXtwxytTDA








TEA7532

1616

7252019 mXtwxytTDA





7252019 mXtwxytTDA


Figure 15







Figure 16

Zin 4 kΩV7

A = = 15V5 ndash V6

TEA7532

816

7252019 mXtwxytTDA



Antilarsen system

Filter response


C9 + C10f2 =

2π Zin C9 C10

Filter on pin 7

1f1 =

2π (R5+ R6)C5

1f3 =

2π R5 C5


C9 + C10 1=


TEA7532

916

7252019 mXtwxytTDA


Figure 18





PIN FUNCTIONS

PIN 1 ADJUST VLS





TEA7532

1016

7252019 mXtwxytTDA



Figure 19




Figure 20



TEA7532

1116

7252019 mXtwxytTDA


















- rdquoHrdquo Mode



Figure 21

Figure 22

TEA7532

1216

7252019 mXtwxytTDA





Vref = 11 V typical


Figure 23

PIN 13 GROUND






PG0 PG1

1 1 Gmax


0 1 Gmax - 12 dB

0 0 Gmax - 18 dB

TEA7532

1316

7252019 mXtwxytTDA


16

1 8

I a 1

L

B e

D

bZ

e3

F

b1

E

9

P M - D I P 1 6 E

P S


DIMmm inch


a1 051 0020

B 077 165 0030 0065

b 05 0020

b1 025 0010

D 20 0787

E 85 0335

e 254 0100

e3 1778 0700

F 71 0280

i 51 0201

L 33 0130

Z 127 0050

D I P 1 6 T

B L

TEA7532

1416

7252019 mXtwxytTDA


b 1

c1

s

F

C

GL

E

a 1

a 2

A

e

DM

e3

b

16 9

1 8

P M - S O 1 6 E

P S




A 175 0069

a1 01 02 0004 0008

a2 16 0063

b 035 046 0014 0018

b1 019 025 0007 0010

C 05 0020

c1 45o (typ)

D 98 10 0386 0394

E 58 62 0228 0244

e 127 0050

e3 889 0350

F 38 40 0150 0157

G 46 53 0181 0209

L 05 127 0020 0050

M 062 0024

S 8o

(max)

S O 1 6 T

B L

TEA7532

1516

7252019 mXtwxytTDA








TEA7532

1616

7252019 mXtwxytTDA





7252019 mXtwxytTDA



Antilarsen system

Filter response


C9 + C10f2 =

2π Zin C9 C10

Filter on pin 7

1f1 =

2π (R5+ R6)C5

1f3 =

2π R5 C5


C9 + C10 1=


TEA7532

916

7252019 mXtwxytTDA


Figure 18





PIN FUNCTIONS

PIN 1 ADJUST VLS





TEA7532

1016

7252019 mXtwxytTDA



Figure 19




Figure 20



TEA7532

1116

7252019 mXtwxytTDA


















- rdquoHrdquo Mode



Figure 21

Figure 22

TEA7532

1216

7252019 mXtwxytTDA





Vref = 11 V typical


Figure 23

PIN 13 GROUND






PG0 PG1

1 1 Gmax


0 1 Gmax - 12 dB

0 0 Gmax - 18 dB

TEA7532

1316

7252019 mXtwxytTDA


16

1 8

I a 1

L

B e

D

bZ

e3

F

b1

E

9

P M - D I P 1 6 E

P S


DIMmm inch


a1 051 0020

B 077 165 0030 0065

b 05 0020

b1 025 0010

D 20 0787

E 85 0335

e 254 0100

e3 1778 0700

F 71 0280

i 51 0201

L 33 0130

Z 127 0050

D I P 1 6 T

B L

TEA7532

1416

7252019 mXtwxytTDA


b 1

c1

s

F

C

GL

E

a 1

a 2

A

e

DM

e3

b

16 9

1 8

P M - S O 1 6 E

P S




A 175 0069

a1 01 02 0004 0008

a2 16 0063

b 035 046 0014 0018

b1 019 025 0007 0010

C 05 0020

c1 45o (typ)

D 98 10 0386 0394

E 58 62 0228 0244

e 127 0050

e3 889 0350

F 38 40 0150 0157

G 46 53 0181 0209

L 05 127 0020 0050

M 062 0024

S 8o

(max)

S O 1 6 T

B L

TEA7532

1516

7252019 mXtwxytTDA








TEA7532

1616

7252019 mXtwxytTDA





7252019 mXtwxytTDA


Figure 18





PIN FUNCTIONS

PIN 1 ADJUST VLS





TEA7532

1016

7252019 mXtwxytTDA



Figure 19




Figure 20



TEA7532

1116

7252019 mXtwxytTDA


















- rdquoHrdquo Mode



Figure 21

Figure 22

TEA7532

1216

7252019 mXtwxytTDA





Vref = 11 V typical


Figure 23

PIN 13 GROUND






PG0 PG1

1 1 Gmax


0 1 Gmax - 12 dB

0 0 Gmax - 18 dB

TEA7532

1316

7252019 mXtwxytTDA


16

1 8

I a 1

L

B e

D

bZ

e3

F

b1

E

9

P M - D I P 1 6 E

P S


DIMmm inch


a1 051 0020

B 077 165 0030 0065

b 05 0020

b1 025 0010

D 20 0787

E 85 0335

e 254 0100

e3 1778 0700

F 71 0280

i 51 0201

L 33 0130

Z 127 0050

D I P 1 6 T

B L

TEA7532

1416

7252019 mXtwxytTDA


b 1

c1

s

F

C

GL

E

a 1

a 2

A

e

DM

e3

b

16 9

1 8

P M - S O 1 6 E

P S




A 175 0069

a1 01 02 0004 0008

a2 16 0063

b 035 046 0014 0018

b1 019 025 0007 0010

C 05 0020

c1 45o (typ)

D 98 10 0386 0394

E 58 62 0228 0244

e 127 0050

e3 889 0350

F 38 40 0150 0157

G 46 53 0181 0209

L 05 127 0020 0050

M 062 0024

S 8o

(max)

S O 1 6 T

B L

TEA7532

1516

7252019 mXtwxytTDA








TEA7532

1616

7252019 mXtwxytTDA





7252019 mXtwxytTDA



Figure 19




Figure 20



TEA7532

1116

7252019 mXtwxytTDA


















- rdquoHrdquo Mode



Figure 21

Figure 22

TEA7532

1216

7252019 mXtwxytTDA





Vref = 11 V typical


Figure 23

PIN 13 GROUND






PG0 PG1

1 1 Gmax


0 1 Gmax - 12 dB

0 0 Gmax - 18 dB

TEA7532

1316

7252019 mXtwxytTDA


16

1 8

I a 1

L

B e

D

bZ

e3

F

b1

E

9

P M - D I P 1 6 E

P S


DIMmm inch


a1 051 0020

B 077 165 0030 0065

b 05 0020

b1 025 0010

D 20 0787

E 85 0335

e 254 0100

e3 1778 0700

F 71 0280

i 51 0201

L 33 0130

Z 127 0050

D I P 1 6 T

B L

TEA7532

1416

7252019 mXtwxytTDA


b 1

c1

s

F

C

GL

E

a 1

a 2

A

e

DM

e3

b

16 9

1 8

P M - S O 1 6 E

P S




A 175 0069

a1 01 02 0004 0008

a2 16 0063

b 035 046 0014 0018

b1 019 025 0007 0010

C 05 0020

c1 45o (typ)

D 98 10 0386 0394

E 58 62 0228 0244

e 127 0050

e3 889 0350

F 38 40 0150 0157

G 46 53 0181 0209

L 05 127 0020 0050

M 062 0024

S 8o

(max)

S O 1 6 T

B L

TEA7532

1516

7252019 mXtwxytTDA








TEA7532

1616

7252019 mXtwxytTDA





7252019 mXtwxytTDA


















- rdquoHrdquo Mode



Figure 21

Figure 22

TEA7532

1216

7252019 mXtwxytTDA





Vref = 11 V typical


Figure 23

PIN 13 GROUND






PG0 PG1

1 1 Gmax


0 1 Gmax - 12 dB

0 0 Gmax - 18 dB

TEA7532

1316

7252019 mXtwxytTDA


16

1 8

I a 1

L

B e

D

bZ

e3

F

b1

E

9

P M - D I P 1 6 E

P S


DIMmm inch


a1 051 0020

B 077 165 0030 0065

b 05 0020

b1 025 0010

D 20 0787

E 85 0335

e 254 0100

e3 1778 0700

F 71 0280

i 51 0201

L 33 0130

Z 127 0050

D I P 1 6 T

B L

TEA7532

1416

7252019 mXtwxytTDA


b 1

c1

s

F

C

GL

E

a 1

a 2

A

e

DM

e3

b

16 9

1 8

P M - S O 1 6 E

P S




A 175 0069

a1 01 02 0004 0008

a2 16 0063

b 035 046 0014 0018

b1 019 025 0007 0010

C 05 0020

c1 45o (typ)

D 98 10 0386 0394

E 58 62 0228 0244

e 127 0050

e3 889 0350

F 38 40 0150 0157

G 46 53 0181 0209

L 05 127 0020 0050

M 062 0024

S 8o

(max)

S O 1 6 T

B L

TEA7532

1516

7252019 mXtwxytTDA








TEA7532

1616

7252019 mXtwxytTDA





7252019 mXtwxytTDA





Vref = 11 V typical


Figure 23

PIN 13 GROUND






PG0 PG1

1 1 Gmax


0 1 Gmax - 12 dB

0 0 Gmax - 18 dB

TEA7532

1316

7252019 mXtwxytTDA


16

1 8

I a 1

L

B e

D

bZ

e3

F

b1

E

9

P M - D I P 1 6 E

P S


DIMmm inch


a1 051 0020

B 077 165 0030 0065

b 05 0020

b1 025 0010

D 20 0787

E 85 0335

e 254 0100

e3 1778 0700

F 71 0280

i 51 0201

L 33 0130

Z 127 0050

D I P 1 6 T

B L

TEA7532

1416

7252019 mXtwxytTDA


b 1

c1

s

F

C

GL

E

a 1

a 2

A

e

DM

e3

b

16 9

1 8

P M - S O 1 6 E

P S




A 175 0069

a1 01 02 0004 0008

a2 16 0063

b 035 046 0014 0018

b1 019 025 0007 0010

C 05 0020

c1 45o (typ)

D 98 10 0386 0394

E 58 62 0228 0244

e 127 0050

e3 889 0350

F 38 40 0150 0157

G 46 53 0181 0209

L 05 127 0020 0050

M 062 0024

S 8o

(max)

S O 1 6 T

B L

TEA7532

1516

7252019 mXtwxytTDA








TEA7532

1616

7252019 mXtwxytTDA





7252019 mXtwxytTDA


16

1 8

I a 1

L

B e

D

bZ

e3

F

b1

E

9

P M - D I P 1 6 E

P S


DIMmm inch


a1 051 0020

B 077 165 0030 0065

b 05 0020

b1 025 0010

D 20 0787

E 85 0335

e 254 0100

e3 1778 0700

F 71 0280

i 51 0201

L 33 0130

Z 127 0050

D I P 1 6 T

B L

TEA7532

1416

7252019 mXtwxytTDA


b 1

c1

s

F

C

GL

E

a 1

a 2

A

e

DM

e3

b

16 9

1 8

P M - S O 1 6 E

P S




A 175 0069

a1 01 02 0004 0008

a2 16 0063

b 035 046 0014 0018

b1 019 025 0007 0010

C 05 0020

c1 45o (typ)

D 98 10 0386 0394

E 58 62 0228 0244

e 127 0050

e3 889 0350

F 38 40 0150 0157

G 46 53 0181 0209

L 05 127 0020 0050

M 062 0024

S 8o

(max)

S O 1 6 T

B L

TEA7532

1516

7252019 mXtwxytTDA








TEA7532

1616

7252019 mXtwxytTDA





7252019 mXtwxytTDA


b 1

c1

s

F

C

GL

E

a 1

a 2

A

e

DM

e3

b

16 9

1 8

P M - S O 1 6 E

P S




A 175 0069

a1 01 02 0004 0008

a2 16 0063

b 035 046 0014 0018

b1 019 025 0007 0010

C 05 0020

c1 45o (typ)

D 98 10 0386 0394

E 58 62 0228 0244

e 127 0050

e3 889 0350

F 38 40 0150 0157

G 46 53 0181 0209

L 05 127 0020 0050

M 062 0024

S 8o

(max)

S O 1 6 T

B L

TEA7532

1516

7252019 mXtwxytTDA








TEA7532

1616

7252019 mXtwxytTDA





7252019 mXtwxytTDA








TEA7532

1616

7252019 mXtwxytTDA





7252019 mXtwxytTDA





mxtwxyttda

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