CDB5351 View Datasheet(PDF) - Cirrus Logic
Part Name
Description
Manufacturer
CDB5351 Datasheet PDF : 23 Pages
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2. PIN DESCRIPTIONS
CS5351
RST 1
M/S 2
LRCK 3
SCLK 4
MCLK 5
VD 6
GND 7
VL 8
SDOUT 9
MDIV 10
HPF 11
I²S/LJ 12
24 FILT+
23 REFGND
22 VQ3
21 AINR
20 VQ2
19 VA
18 GND
17 VQ1
16 AINL
15 OVFL
14 M1
13 M0
Pin Name
RST
M/S
LRCK
SCLK
MCLK
VD
GND
VL
SDOUT
MDIV
HPF
I²S/LJ
M0
M1
OVFL
AINL
AINR
VQ1
VQ2
VQ3
VA
REF_GND
FILT+
# Pin Description
1 Reset (Input) - The device enters a low power mode when low.
2 Master/Slave Mode (Input) - Selects operation as either clock master or slave.
3 Left Right Clock (Input/Output) - Determines which channel, Left or Right, is currently active on the
serial audio data line.
4 Serial Clock (Input/Output) - Serial clock for the serial audio interface.
5 Master Clock (Input) - Clock source for the delta-sigma modulator and digital filters.
6 Digital Power (Input) - Positive power supply for the digital section.
7
18
Ground (Input) - Ground reference. Must be connected to analog ground.
8 Logic Power (Input) - Positive power for the digital input/output.
9 Serial Audio Data Output (Output) - Output for two’s complement serial audio data.
10 MCLK Divider (Input) - Enables a master clock divide by two function.
11 High Pass Filter Enable (Input) - Enables the Digital High-Pass Filter.
12 Serial Audio Interface Format Select (Input) -Selects either the Left-Justified or I²S format for the SAI.
13
14
Mode Selection (Input) - Determines the operational mode of the device.
15 Overflow (Output, open drain) - Detects an overflow condition on both left and right channels.
16 Analog Inputs (Input) - The full-scale analog input level is specified in the Analog Characteristics speci-
21 fication table.
17
20 Quiescent Voltage (Output) - Filter connection for the internal quiescent reference voltage.
22
19 Analog Power (Input) - Positive power supply for the analog section.
23 Reference Ground (Input) - Ground reference for the internal sampling circuits.
24 Positive Voltage Reference (Output) - Positive reference voltage for the internal sampling circuits.
14
DS565F2
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