CS4344 Datasheet, PDF (4/23 Pages) Cirrus Logic – 10-PIN, 24-BIT, 192KHz STEREO D/A CONVERTER

1.PIN DESCRIPTIONS
SDIN
1
DEM/SCLK
2
LRCK
3
MCLK
4
VQ
5
CS4344/5/6/8
10 _AOUTR
9 VA
8 GND
7 AOUTL
6 ^FILT+
Pin Name # Pin Description
SDIN
1 Serial Audio Data Input (Input) - Input for two’s complement serial audio data.
DEM/SCLK 2 De-Emphasis/External Serial Clock Input (Input) - used for de-emphasis filter control or
external serial clock input.
LRCK
3 Left Right Clock (Input) - Determines which channel, Left or Right, is currently active on the
serial audio data line.
MCLK
4 Master Clock (Input) - Clock source for the delta-sigma modulator and digital filters.
VQ
5 Quiescent Voltage (Output) - Filter connection for internal quiescent voltage.
FILT+
6 Positive Voltage Reference (Output) - Positive reference voltage for the internal sampling
circuits.
AOUTL
7 Left Channel Analog Output (Output) - The full scale analog output level is specified in the
Analog Characteristics specification table.
GND
8 Ground (Input) - ground reference.
VA
9 Analog Power (Input) - Positive power for the analog and digital sections.
AOUTR
10 Right Channel Analog Output (Output) - The full scale analog output level is specified in the
Analog Characteristics specification table.
4
DS613PP2