ZXCD1000

ISSUE 2 - APRIL 2002

3

Audio A

Triangle A

Osc A

Dist

Cosc

Osc B

Triangle B

Audio B

Gnd

Out B

Gnd2

9VB

VCC

9VA

Out A

5V5

1

2

3

4

5

6

7

89

10

11

12

13

14

15

16

Figure 1

Pin Connection Diagram

Pin number

Pin Name

Pin Description

1

Audio A

Audio Input for Channel A

2

Triangle A

Triangle Input for Channel A

3

Osc A

Triangle Output

4

Dist

No connection

5

Cosc

External timing capacitor node (to set the switching frequency)

6

Osc B

Triangle Output (for slave ZXCD1000 in stereo application)

7

Triangle B

Triangle Input for Channel B

8

Audio B

Audio Input for Channel B

9

Gnd

Small Signal GND

10

OUT B

Channel B PWM Output to drive external Bridge MOSFETs

11

Gnd2

Power GND (for Output Drivers)

12

9VB

Internal Supply Rail (Decouple with 1µF Cap)

13

VCC

Input Supply Pin (Max = 18V)

14

9VA

Internal Supply Rail (Decouple with 1µF Cap).

15

OUT A

Channel A PWM Output to drive external Bridge MOSFETs

16

5V5

Internal Supply Rail (Decouple with 1µF Cap)

Pin Description