1998 Dec 01

3

Philips Semiconductors

Preliminary specification

2

× 50 W class-D power amplifier

TDA8920

ORDERING INFORMATION

BLOCK DIAGRAM

TYPE

NUMBER

PACKAGE

NAME

DESCRIPTION

VERSION

TDA8920J

DBS17P

plastic DIL-bent-SIL power package; 17 leads (lead length 12 mm)

SOT243-1

TDA8920TH

HSOP20

heatsink small outline package; 20 leads

SOT418-1

Fig.1 Block diagram (SOT243-1).

MGR657

handbook, full pagewidth

TDA8920J

DIGITAL

PROTECTION

VSS2

VDD2

11

IN2

+

14

LIM

16

MODE

OSCILLATOR

STABILIZER

MODE

17

IN2

−

15

OUT2

9

STAB

12

BOOT2

ANALOG

DIGITAL

VSS1

VDD1

7

IN1

+

4

13

5

IN1

−

3

OUT1

6

BOOT1

ANALOG

VDD2

810

VSS2

VSS1

1

OSC

2

SGND