TDA8552TS Ver la hoja de datos (PDF) - Philips Electronics

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TDA8552TS

2 × 1.4 W BTL audio amplifiers with digital volume control and headphone sensing

Philips Electronics 

Philips Semiconductors

2 × 1.4 W BTL audio amplifiers with digital

volume control and headphone sensing

BLOCK DIAGRAM

Preliminary specification

TDA8552T; TDA8552TS

handbook, full pagewidth

IN1 17

VOLUME

20 CONTROL

kΩ

0.5VDD

UP/DOWN1 6

SVR 16

UP/DOWN

COUNTER

up

down

INTERFACE

IN2 15

VOLUME

20 CONTROL

kΩ

0.5VDD

UP/DOWN2 7

UP/DOWN

COUNTER

up

down

INTERFACE

VDD1 VDD2 VDD3 VDD4

3

8

13

18

MASTER

20 dB

VDD 30 dB

3.4 kΩ

1.6 kΩ

15 kΩ

20 kΩ

20 kΩ

15 kΩ

0.5VDD

0.5VDD

SLAVE

0.5VDD

15 kΩ

TDA8552T

MASTER

20 dB

VDD 30 dB

3.4 kΩ

1.6 kΩ

15 kΩ

0.5VDD

0.5VDD

0.5VDD

15 kΩ

15 kΩ

20 kΩ

20 kΩ

SLAVE

12 OUT1+

19 OUT1−

2 OUT2+

9 OUT2−

MODE 5

HPS 4

STANDBY/MUTE

AND OPERATING

GAIN

SELECTION

14

GAINSEL

1, 10, 11, 20

GND1 to GND4

MGM608

1998 Jun 02

Fig.1 Block diagram.

4

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