Pin descriptions for cs35l00, Cs35l00 – Cirrus Logic CS35L00 User Manual
Page 5
CS35L00
DS906PP1
5
1. PIN DESCRIPTIONS FOR CS35L00
Pin Name
#
Pin Description
SD
1
Shutdown
(Input) - Pulling this pin low places the CS35L00 in shutdown.
IN-
2
Negative Analog Input
(Input) - Differential negative audio signal input
LFILT+
3
Low Drop Out Regulator Filter
(Output) - Bypass capacitor connection point for internal LDO. Con-
necting this net to VBATT places the device into SD mode.
IN+
4
Positive Analog Input
(Input) - Differential positive audio signal input.
MODE
5
Switching Mode
(Input) - Controls the output switching modes of the CS35L00.
OUT-
6
Negative PWM Output
(Output) - Differential negative PWM output.
GAIN_SEL
7
Gain Select
(Input) - Sets the gain of the amplifier. When pulled low, gain is +12 dB. When pulled high,
gain is +6 dB.
VBATT
8
Positive Analog Power Supply
(Input) - Positive power supply input.
GND
9
Ground
(Input) - Power supply ground.
OUT+
10
Positive PWM Output
(Output) - Differential Positive PWM output.
Thermal Pad
-
Thermal Pad
(Input) - Thermal relief pad for optimized heat dissipation. Connect to GND. See
1
2
3
4
5
10
9
8
7
6
Thermal Pad
SD
IN-
LFILT+
IN+
MODE
OUT+
GND
VBATT
GAIN_SEL
OUT-
Figure 1. Top View of DFN Pin Out
(Looking down through package)