zxcd1000 Zetex Semiconductors plc., zxcd1000 Datasheet - Page 3

• Manufacturer Part Number: zxcd1000
• Description: High Fidelity Class D Audio Amplifier Solution
• Manufacturer: Zetex Semiconductors plc.

Pin Connection Diagram
Figure 1
Pin Description
ISSUE 2 - APRIL 2002
Pin number
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Triangle A
Triangle B
Audio A
Audio B
Osc A
Osc B
Cosc
Dist
1
2
3
4
5
6
7
8
Pin Name
Audio A
Triangle A
Osc A
Dist
C
Osc B
Triangle B
Audio B
Gnd
OUT B
Gnd2
9VB
VCC
9VA
OUT A
5V5
osc
16
15
14
13
12
11
10
9
Pin Description
Audio Input for Channel A
Triangle Input for Channel A
Triangle Output
No connection
External timing capacitor node (to set the switching frequency)
Triangle Output (for slave ZXCD1000 in stereo application)
Triangle Input for Channel B
Audio Input for Channel B
Small Signal GND
Channel B PWM Output to drive external Bridge MOSFETs
Power GND (for Output Drivers)
Internal Supply Rail (Decouple with 1µF Cap)
Input Supply Pin (Max = 18V)
Internal Supply Rail (Decouple with 1µF Cap).
Channel A PWM Output to drive external Bridge MOSFETs
Internal Supply Rail (Decouple with 1µF Cap)
5V5
Out A
9VA
VCC
9VB
Gnd2
Out B
Gnd
3
ZXCD1000