cs42l52 Cirrus Logic, Inc., cs42l52 Datasheet - Page 8

• Manufacturer Part Number: cs42l52
• Description: Low-power, Stereo Codec W/ Headphone & Speaker Amps
• Manufacturer: Cirrus Logic, Inc.

8
1. PIN DESCRIPTIONS
SDA
SCL
AD0
SPKR_OUTA+
SPKR_OUTA-
SPKR_OUTB+
SPKR_OUTB-
VP
-VHPFILT
FLYN
FLYP
+VHP
HP/LINE_OUTB, A
VA
Pin Name
SPKR_OUTA+
SPKR_OUTB+
SPKR_OUTA-
SPKR_OUTB-
14,15 Headphone/Line Audio Output (Output) - Stereo headphone or line level analog outputs.
-VHPFILT
10
12
13
16
11
#
1
2
3
4
6
7
9
5
8
SDA
SCL
AD0
Serial Control Data (Input/Output) - SDA is a data I/O in I²C Mode.
Serial Control Port Clock (Input) - Serial clock for the serial control port.
Address Bit 0 (Input) - Chip address bit 0.
PWM Speaker Output (Output) - Full-bridge amplified PWM speaker outputs.
Power for PWM Drivers (Input) - Power supply for the PWM output driver stages.
Inverting Charge Pump Filter Connection (Output) - Power supply from the inverting charge
pump that provides the negative rail for the headphone/line amplifiers.
Charge Pump Cap Negative Node (Output) - Negative node for the inverting charge pump’s fly-
ing capacitor.
Charge Pump Cap Positive Node (Output) - Positive node for the inverting charge pump’s flying
capacitor.
Positive Analog Power for Headphone (Input) - Positive voltage rail and power for the internal
headphone amplifiers and inverting charge pump.
Analog Power (Input) - Positive power for the internal analog section.
VP
VP
10
1
3
5
2
4
6
7
8
9
Top-Down (Through-Package) View
GND/Thermal Pad
40-Pin QFN Package
5/13/08
Pin Description
30
29
28
27
26
25
24
23
22
21
AIN2B
AIN2A
AIN4B/MIC2+/MIC2B
AIN1B
AFILTB
AIN3B/MIC2-/MIC1B
AIN4A/MIC1+/MIC2A
AFILTA
AIN3A/MIC1-/MIC1A
AIN1A
CS42L52
DS680F1