CS3511

DS845F1

5

OUT1+

OUT1-

OUT2+

OUT2-

9

12

16

13

Differential PWM Output (Output) - Differential PWM Outputs for channel 1 and channel 2.

VP

10

15

20

High Voltage Power (Input) - Supply pins for high current H-bridges.

PGND

11

14

17

Power Ground (Input) - High current ground for analog outputs.

CPUMP

18

Charge Pump Input (Input) - Input pin for charge pump.

DCAP

19

Charge Pump Switching Pin (Output) - Free-running 350 kHz square wave between VP and ground.

5VGEN

21

5 Volt Generator (Output) - Regulated 5 VDC source used to supply power to the input section (pins 2

and 28).

AGND

23

27

30

Analog Ground (Input) - Connect all pins together directly at the thermal pad of the CS3511.

IN2+

IN2-

24

25

Negative Analog Input (Input) - Negative Audio Signal for channel 2 and channel 1, respectively.

C2

C1

26

31

Pop Minimization Capacitor (Input) - External capacitor used to reduce turn on/off pops.

V5A

28

Analog Power (Input) - Supply for analog circuitry. Connect to 5VGEN.

BIASCAP

29

Analog Input Bias (Input) - Input stage bias voltage.

Thermal Pad

-

Thermal Pad (Input) - Thermal relief pad for optimized heat dissipation. Connect to PGND. See “QFN

Thermal Pad” on page 17 for more information.