Philips TDA8928J Manual De Usuario

2004 May 05

5

Philips Semiconductors

Preliminary specification

Power stage 2 x 10 or 1 x 20 W class-D
audio amplifier

TDA8928J

SW1

1

digital switch input; channel 1

REL1

2

digital control output; channel 1

DIAG

3

digital open-drain output for
overtemperature and overcurrent
report

EN1

4

digital enable input; channel 1

V

DD1

5

positive power supply; channel 1

BOOT1

6

bootstrap capacitor; channel 1

OUT1

7

PWM output; channel 1

V

SS1

8

negative power supply; channel 1

STAB

9

decoupling internal stabilizer for
logic supply

V

SS2

10

negative power supply; channel 2

OUT2

11

PWM output; channel 2

BOOT2

12

bootstrap capacitor; channel 2

V

DD2

13

positive power supply; channel 2

EN2

14

digital enable input; channel 2

POWERUP

15

enable input for switching on
internal reference sources

REL2

16

digital control output; channel 2

SW2

17

digital switch input; channel 2

handbook, halfpage

MGX378

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

VSS1

VSS2

VDD2

VDD1

EN1

DIAG

REL1

SW1

SW2

REL2

POWERUP

EN2

BOOT1

OUT1

STAB

OUT2

BOOT2

Fig.2  Pin configuration.