1998 Dec 01

4

Philips Semiconductors

Preliminary specification

2

× 50 W class-D power amplifier

TDA8920

PINNING

Note

1. The case of the package is connected to pins 8 and 10

should be connected to the case or the heatsink.

SYMBOL

PIN

DESCRIPTION

OSC

1

oscillator frequency adjustment

SGND

2

signal ground (0 V)

IN1

−

3

negative input channel 1

IN1+

4

positive input channel 1

5

positive supply voltage 1

BOOT1

6

bootstrapping capacitor 1

OUT1

7

output 1

8

negative supply voltage 1; note 1

STAB

9

internal stabilizer decoupling

10

negative supply voltage 2; note 1

OUT2

11

output 2

BOOT2

12

bootstrapping capacitor 2

13

positive supply voltage 2

IN2+

14

positive input channel 2

IN2

−

15

negative input channel 2

LIM

16

current limiting adjustment

MODE

17

mode select input

Fig.2 Pin configuration (SOT243-1).

handbook, halfpage

TDA8920J

MGR658

OSC

SGND

IN1

−

IN1

+

VDD1

BOOT1

OUT1

VSS1

STAB

VSS2

OUT2

BOOT2

VDD2

IN2

+

IN2

−

LIM

MODE

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17