CS4345 View Datasheet(PDF) - Cirrus Logic
Part Name
Description
Manufacturer
CS4345 Datasheet PDF : 24 Pages
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1. PIN DESCRIPTIONS
SDIN
1
DEM/SCLK
2
LRCK
3
MCLK
4
VQ
5
10 AOUTR
9 VA
8 GND
7 AOUTL
6 FILT+
CS4344/5/6/8
Pin Name
SDIN
DEM/SCLK
LRCK
MCLK
VQ
FILT+
AOUTL
GND
VA
AOUTR
#
Pin Description
1 Serial Audio Data Input (Input) - Input for two’s complement serial audio data.
2 De-Emphasis/External Serial Clock Input (Input) - used for de-emphasis filter control or external serial
clock input.
3 Left Right Clock (Input) - Determines which channel, Left or Right, is currently active on the serial audio
data line.
4 Master Clock (Input) - Clock source for the delta-sigma modulator and digital filters.
5 Quiescent Voltage (Output) - Filter connection for internal quiescent voltage.
6 Positive Voltage Reference (Output) - Positive reference voltage for the internal sampling
circuits.
7 Left Channel Analog Output (Output) - The full scale analog output level is specified in the Analog Char-
acteristics specification table.
8 Ground (Input) - ground reference.
9 Analog Power (Input) - Positive power for the analog and digital sections.
10 Right Channel Analog Output (Output) - The full scale analog output level is specified in the Analog
Characteristics specification table.
4
DS613F1
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