CS5361
2.0 PIN DESCRIPTIONS
RST
M/S
LRCK
SCLK
MCLK
VD
1
24
23
22
21
20
19
18
17
16
15
14
13
FILT+
REFGND
VQ
AINR+
AINR-
VA
2
3
4
5
6
GND
VL
7
GND
AINL-
AINL+
OVFL
M1
8
SDOUT
MDIV
HPF
9
10
11
12
2
I S/LJ
M0
Pin Name
RST
#
1
2
3
Pin Description
Reset (Input) - The device enters a low power mode when low.
M/S
Master/Slave Mode (Input) - Selects operation as either clock master or slave.
LRCK
Left Right Clock (Input/Output) - Determines which channel, Left or Right, is currently active on the
serial audio data line.
SCLK
MCLK
VD
Serial Clock (Input/Output) - Serial clock for the serial audio interface.
Master Clock (Input) - Clock source for the delta-sigma modulator and digital filters.
Digital Power (Input) - Positive power supply for the digital section.
4
5
6
GND
VL
Ground (Input) - Ground reference. Must be connected to analog ground.
Logic Power (Input) - Positive power for the digital input/output.
7,18
8
SDOUT
MDIV
HPF
Serial Audio Data Output (Output) - Output for two’s complement serial audio data.
MCLK Divider (Input) - Enables a master clock divide by two function.
High-pass Filter Enable (Input) - Enables the Digital High-Pass Filter.
Serial Audio Interface Format Select (Input) -Selects either the left-justified or I2S format for the SAI.
9
10
11
12
I2S/LJ
M0
M1
13, Mode Selection (Input) - Determines the operational mode of the device.
14
OVFL
Overflow (Output, open drain) - Detects an overflow condition on both left and right channels.
15
AINL+
AINL-
Differential Left Channel Analog Input (Input) - Signals are presented differentially to the delta-sigma
modulators via the AINL+/- pins.
16,
17
VA
19 Analog Power (Input) - Positive power supply for the analog section.
AINR-
AINR+
Differential Right Channel Analog Input (Input) -Signals are presented differentially to the delta-sigma
modulators via the AINR+/- pins.
20,
21
VQ
Quiescent Voltage (Output) - Filter connection for the internal quiescent reference voltage.
Reference Ground (Input) - Ground reference for the internal sampling circuits.
22
23
24
REF_GND
FILT+
Positive Voltage Reference (Output) - Positive reference voltage for the internal sampling circuits.
14
DS467F2
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