CS3511_0912 Datasheet, PDF (5/26 Pages) Cirrus Logic – Stereo 10 W High-efficiency Class-D Audio Power Amplifier

CS3511
OUT1+
OUT1-
OUT2+
OUT2-
VP
PGND
CPUMP
DCAP
5VGEN
AGND
IN2+
IN2-
C2
C1
V5A
BIASCAP
Thermal Pad
9
12
16
Differential PWM Output (Output) - Differential PWM Outputs for channel 1 and channel 2.
13
10
15 High Voltage Power (Input) - Supply pins for high current H-bridges.
20
11
14 Power Ground (Input) - High current ground for analog outputs.
17
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.
21
5 Volt Generator (Output) - Regulated 5 VDC source used to supply power to the input section (pins 2
and 28).
23
27 Analog Ground (Input) - Connect all pins together directly at the thermal pad of the CS3511.
30
24
25
Negative Analog Input (Input) - Negative Audio Signal for channel 2 and channel 1, respectively.
26
31
Pop Minimization Capacitor (Input) - External capacitor used to reduce turn on/off pops.
28 Analog Power (Input) - Supply for analog circuitry. Connect to 5VGEN.
29 Analog Input Bias (Input) - Input stage bias voltage.
-
Thermal Pad (Input) - Thermal relief pad for optimized heat dissipation. Connect to PGND. See “QFN
Thermal Pad” on page 17 for more information.
DS845F1
5