CS3511
OUT1+
OUT1-
OUT2+
OUT2-
9
12
16
13
Differential PWM Output (Output) - Differential PWM Outputs for channel 1 and channel 2.
10
VP
15 High Voltage Power (Input) - Supply pins for high current H-bridges.
20
11
PGND
14 Power Ground (Input) - High current ground for analog outputs.
17
CPUMP
DCAP
18 Charge Pump Input (Input) - Input pin for charge pump.
19 Charge Pump Switching Pin (Output) - Free-running 350 kHz square wave between VP and ground.
5 Volt Generator (Output) - Regulated 5 VDC source used to supply power to the input section (pins 2
and 28).
5VGEN
21
23
AGND
27 Analog Ground (Input) - Connect all pins together directly at the thermal pad of the CS3511.
30
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.
29 Analog Input Bias (Input) - Input stage bias voltage.
BIASCAP
Thermal Pad (Input) - Thermal relief pad for optimized heat dissipation. Connect to PGND. See “QFN
Thermal Pad” on page 17 for more information.
Thermal Pad
-
DS845F1
5
CIRRUS [ CIRRUS LOGIC ]
