SGS Thomson Microelectronics TDA7269 Datasheet



10 + 10W STEREOAMPLIFIER WITH MUTE & ST-BY

WIDE SUPPLY VOLTAGE RANGE UP TO
±20V

SPLIT SUPPLY
HIGHOUTPUTPOWER

10 +10W @ THD =10%, R
NO POPAT TURN-ON/OFF
MUTE(POP FREE)
STAND-BY FEATURE (LOWI
THERMALOVERLOAD PROTECTION
SHORTCIRCUITPROTECTIONTO GND

DESCRIPTION

The TDA7269 is class AB dual Audio power am­plifier assembled in the Multiwatt package, spe­cially designed for high quality sound application
as Hi-Fimusic centers andstereo TV sets.

=8Ω,VS= +14V

L

)

q

TDA7269

Multiwatt11

ORDERING NUMBER: TDA7269

Figure 1: Typical Application Circuit

+5V

15K 1µF

µP

1µF

1µF

MUTE/

ST-BY

IN (L)

18K15K

GND

IN (R)

D94AU085

+V

S

1000µF

5
7

-

9

11

-

+

1

1000µF

3

6

-V

S

4+

OUT (L)

18K

IN- (L)8

10 IN- (R)

2

OUT (R)

560Ω

18K

4.7Ω

100nF

4.7Ω

100nF

560Ω

RL (L)

RL (R)

July 1998

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TDA7269

ABSOLUTE MAXIMUM RATINGS

Symbol Parameter Value Unit

V

I

O

P

tot

T

op

T

stg,Tj

PIN CONNECTION (Topview)

DC Supply Voltage ±22 V

S

Output Peak Current (internally limited) 3 A
Power Dissipation T

=70°C40W

case

Operating Temperature 0 to 70 °C
Storage and Junction Temperature -40 to +150 °C

11
10

9
8
7
6
5
4
3
2
1

TAB CONNECTED TO PIN 6

D95AU316

IN+(1)
IN-(1)
GND
IN-(2)
IN+(2)

-V

S

MUTE
OUTPUT(2)
+V

S

OUTPUT(1)

-V

S

THERMAL DATA

Symbol Description Value Unit

R

th j-case

Thermal Resistance Junction-case Max 2.8 °C/W

SINGLESUPPLY APPLICATION

+V

S

C5

1000µF

C6

0.1µF

3

4+

OUT (L)

R4

IN- (L)8

30K

R5
1K

2

IN- (R)

R6

10

OUT (R)

1

6
GND

30K

R7
1K

C9 470µF

R8

4.7Ω
C7

0.1µF

C10 470µF

R9

4.7Ω
C8

0.1µF

D96AU444

0

MUTE

R1

10K

PLAY

5V

C1

1µF

C2

100µF

Q1

BSX33

R2

15K

R3

15K

C3 1µF

C4 1µF

MUTE/ST-BY

IN (L)

IN (R)

D1 5.1V

5
7

9

11

-

+

-

OUT

(L)

OUT

(R)

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TDA7269

ELECTRICALCHARACTERISTICS(Refer to the test circuit, VS= + 14V; RL=8Ω;RS=50Ω;

= 30dB;f = 1KHz; T

G

V

Symbol Parameter Test Condition Min. Typ. Max. Unit

V

S

I

q

V

OS

I

b

P

O

Supply Range +5 +20 V
Total Quiescent Current 60 100 mA
Input Offset Voltage –25 +25 mV
Non Inverting Input Bias Current 500 nA
Output Power THD = 10%

THD Total Harmonic Distortion R

C

T

Cross Talk f = 1KHz

SR Slew Rate 6.5 10 V/µs

G

OL

e

N

R

Open Loop Voltage Gain 80 dB
Total Input Noise A Curve

Input Resistance 15 20 KΩ

i

SVR Supply Voltage Rejection

(each channel)

T

j

Thermal Shut-down
Junction Temperature

MUTE FUNCTION [ref: +V

VT

MUTE

A

M

Mute / PlayThreshold -7 -6 -5 V
Mute Attenuation 60 70 dB

STAND-BY FUNCTION [ref: +V

VT

ST-BY

A

ST-BY

I

q ST-BY

(*)In mute condition the current drawn from Pin 5 must be ≤650µA.

Stand-by / Mute Threshold -3.5 -2.5 -1.5 V
Stand-by Attenuation 110 dB
Quiescent Current @ Stand-by 3 6 mA

=25°C, unless otherwise specified.)

amb

R

=8Ω ;

L

V

+ 12.5V; RL=4

S

THD = 1%
R

=8Ω ;

L

V

+ 12.5V; RL=4

S

=8Ω ;PO= 1W; f = 1KHz 0.03 %

L

=8Ω ;

R

L

P

= 0.1 to 5W;

O

f = 100Hzto 15KHz
R

=4Ω;PO= 1W; f = 1KHz 0.02 %

L

=4Ω ;VS+ 10V;

R

L

P

= 0.1 to 5W;

O

f = 100Hzto 15KHz

f = 10KHz 50

f = 20Hz to 22KHz

fr = 100Hz Vr = 0.5V 60 dB

S] (*)

S] (Only for SplitSupply)

Ω

Ω

8

7.5

10
10

7.5

7.5

0.7 %

1%

70
60

3
48

145

W
W

W
W

dB
dB

µV

V

µ

C

°

3/7

TDA7269

MUTE STAND-BYFUNCTION

The pin 5 (MUTE/STAND-BY) controls the ampli­fier status by two different thresholds, referred to
+V

.

S

- When V

higher than = +VS - 2.5V the

pin5

amplifier is in Stand-by mode and the final
stage generatorsare off

Figure 2

+V

S

(V)

20

-V

S

-20

V

IN

(mV)

- when V

is between +VS- 2.5V and+V

pin5

- 6V the final stage current generators are
switched on and the amplifier is in mute
mode

- when V

is lower than +VS- 6V the am-

pin5

plifier is playmode.

t

S

Vpin5

(V)

V

S

VS-2.5

VS-6

VS-10

I

q

(mA)

0

VOUT

(V)

STDBY

OFF

PLAY STDBY PLAY OFF

STDBY

4/7

MUTE MUTE

D94AU086

MUTE

MUTE

Figure 3: Testand ApplicationCircuit (Stereo Configuration)

+V

TDA7269

S

SW1

R2 C3

R1

DZ

R4

SW2

R3

C1

C2

MUTE/

ST-BY

IN (L)

GND

IN (R)

D94AU087

5
7

9

11

APPLICATIONS SUGGESTION

(Demo Board Schematic)
The recommendedvalues of the external compo-

COMPONENTS

R1 10KΩ Mute Circuit
R2 15KΩ Mute Circuit V

R3 18KΩ Mute Circuit V

R4 15KΩ Mute Circuit V
R5, R8 18K
R6, R9 560

RECOMMENDED

VALUE

Ω
Ω

PURPOSE

Closed Loop Gain
Setting (*)

+V

S

3

4+

-

10 IN-(R)

-

+

1

C7

2

6

-V

S

C6

C4

OUT (L)

R5

IN- (L)8

R6

R8

OUT (R)

nents are those shown are the demo board sche­matic different values can be used: the following
table can help the designer.

LARGER THAN

RECOMMENDED VALUE

Increase of Dz
Biasing Current

# 5 Shifted Downward V

pin
pin # 5 Shifted Upward Vpin # 5 Shifted Downward
pin # 5 Shifted Upward Vpin # 5 Shifted Downward

Increase of Gain
Decrease of Gain

C5

R7

C8

R9

R10

C9

SMALLER THAN

RECOMMENDED VALUE

# 5 Shifted Upward

pin

R7, R10 4.7Ω Frequency Stability Danger of Oscillations Danger of Oscillations

C1, C2 1µF

C3 1µF

C4, C6 1000µF

C5, C7 0.1µF

Input DC
Decoupling

St-By/Mute Time
Constant

Supply Voltage
Bypass

Supply Voltage
Bypass

Larger On/Off Time Smaller On/Off Time

Higher Low Frequency
Cutoff

Danger of Oscillations

Danger of Oscillations

C8, C9 0.1µF FrequencyStability

Dz 5.1V Mute Circuit

(*) Closed loop gain has to be => 25dB

RL (L)

RL (R)

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TDA7269

MULTIWATT11 PACKAGE MECHANICAL DATA

DIM.

A 5 0.197

B 2.65 0.104

C 1.6 0.063

D 1 0.039

E 0.49 0.55 0.019 0.022

F 0.88 0.95 0.035 0.037

G 1.57 1.7 1.83 0.062 0.067 0.072
G1 16.87 17 17.13 0.664 0.669 0.674
H1 19.6 0.772
H2 20.2 0.795

L 21.5 22.3 0.846 0.878
L1 21.4 22.2 0.843 0.874
L2 17.4 18.1 0.685 0.713
L3 17.25 17.5 17.75 0.679 0.689 0.699
L4 10.3 10.7 10.9 0.406 0.421 0.429
L7 2.65 2.9 0.104 0.114

M 4.1 4.3 4.5 0.161 0.169 0.177

M1 4.88 5.08 5.3 0.192 0.200 0.209

S 1.9 2.6 0.075 0.102

S1 1.9 2.6 0.075 0.102

Dia1 3.65 3.85 0.144 0.152

MIN. TYP. MAX. MIN. TYP. MAX.

mm inch

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TDA7269

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of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is
granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specification mentioned in this publication are
subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products
are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics.

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