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TDA7497S

April 2003

s

8+8W (RL = 8

Ω) + 15W ( RL = 4Ω)

OUTPUT POWER @THD = 10%, Vcc = 25V

s

INDEPENDENT MUTE FOR CENTER

CHANNEL AND MAIN CHANNELS

s

NO TURN-ON TURN-OFF POP NOISE

s

NO BOUCHEROT CELL

s

SINGLE SUPPLY RANGING UP TO 35V

s

SHORT CIRCUIT PROTECTION

s

THERMAL OVERLOAD PROTECTION

s

INTERNALLY FIXED GAIN

s

SOFT CLIPPING

s

MULTIWATT 15 PACKAGE

DESCRIPTION

The TDA7497S is a triple 8+8+15W class AB power

amplifier assembled in the @ Multiwatt 15 package,

specially designed for high quality sound, TV applica-

tions.

Features of the TDA7497S include mute functions,

independently controller for main and center chan-

nels.

Multiwatt15

ORDERING NUMBER: TDA7497S

8W+8W+15W TRIPLE AMPLIFIER

BLOCK DIAGRAM

OP AMP

+

-

MUTE

PROTECTIONS

1

470nF

C1

C11

0.1

µF

C2

C3

C4

INR

30K

OP AMP

+

-

30K

C10

0.1

µF

C9

1000

µF

C8 1000

µF

C6 1000

µF

C7

1

µF

10K R1

10K R2

5

470nF

INL

8

S_GND

14

9

10

12

OUTR

MUTE2

MUTE1

OUTL

11

PW_GND

470

µF

SVR

7

D98AU961B

PW_GND

15

13

S1 MUTE2

(CENTER)

+5V

S2 MUTE1

(L/R)

+5V

S_GND

60K

C12 1

µF

OP AMP

+

-

30K

1000

µF

C5

6

470nF

INC

3

OUTC

4

PW_GND_C

2

MULTIPOWER BI50II TECHNOLOGY