CS4361 Datasheet, PDF (4/23 Pages) Cirrus Logic – 20-pin, 24-bit, 192 kHz, 6-channel D/A Converter

1. PIN DESCRIPTIONS
VL
1
SDIN1
2
SDIN2
3
SDIN3
4
DEM/SCLK
5
LRCK
6
MCLK
7
RST
8
MODE
9
FILT+
10
20 MUTEC
19 AOUT1
18 AOUT2
17 AOUT3
16 ^AOUT4
15 VA
14 GND
13 AOUT5
12 AOUT6
11 VQ
CS4361
Pin Name # Pin Description
SDIN1
SDIN2
SDIN3
2 Serial Audio Data Input (Input) - Input for two’s complement serial audio data.
3
4
DEM/SCLK 5 De-emphasis/External Serial Clock Input (Input) - used for de-emphasis filter control or exter-
nal serial clock input.
LRCK
6 Left Right Clock (Input) - Determines which channel, Left or Right, is currently active on the
serial audio data line.
MCLK
7 Master Clock (Input) - Clock source for the delta-sigma modulator and digital filters.
VQ
11 Quiescent Voltage (Output) - Filter connection for internal quiescent voltage.
FILT+
10 Positive Voltage Reference (Output) - Positive reference voltage for the internal sampling
circuits.
AOUT1
AOUT2
AOUT3
AOUT4
AOUT5
AOUT6
19 Analog Output (Output) - The full scale analog output level is specified in the Analog Charac-
18 teristics specification table.
17
16
13
12
GND
14 Ground (Input) - ground reference.
VA
15 Analog Power (Input) - Positive power for the analog and core digital sections.
VL
1 Interface Power (Input) - Positive power for the digital interface level shifters.
RST
8 Reset (Input) - Applies reset to the internal circuitry when low.
MUTEC
20 Mute Control (Output) - Control signal for optional external muting circuitry.
MODE
9 Mode Control (Input) - Selects operational modes (see table 3).
4
DS672A2