CS42406 Datasheet, PDF (6/50 Pages) Cirrus Logic – 24-BIT, 192kHz 2-IN 6-OUT AUDIO CODEC

1. PIN DESCRIPTION
CS42406
DAC_SCLK
DAC_LRCK
MCLK
VLS
SDOUT
ADC_384x/256x
VD
GND
VD
DAC_RST
ADC_SCLK
ADC_LRCK
48 47 46 45 44 43 42 41 40 39 38 37
1
36
2
35
3
34
4
33
5
32
6
CS42406
31
7
30
8
29
9
28
10
27
11
26
12
25
13 14 15 16 17 18 19 20 21 22 23 24
AOUTB2
TST
ADC_FILT+
GND
VA
GND
AOUTA3
AOUTB3
MUTEC3
TST
AINR
ADC_VQ
Pin Name
# Pin Description
DAC_SCLK
1 DAC Serial Clock (Input) - Serial clock for the DAC serial audio interface.
DAC_LRCK
MCLK
2 DAC Left Right Clock (Input) - Determines which channel, Left or Right, is currently active on the
DAC serial audio data line.
3 Master Clock (Input) - Clock source for the delta-sigma modulators and digital filters.
VLS
4 Serial Audio Interface Power (Input) - Positive power for the serial audio interface.
45
SDOUT
5 Serial Audio Data Output (Output) - Output for two’s complement serial audio data.
ADC_384x/256x 6 ADC MCLK/LRCK Ratio Select (Input) - Selects the base MCLK/LRCK ratio for the ADC serial
port.
VD
7 Digital Power (Input) - Positive power supply for the digital section.
9
GND
8 Ground (Input)
31
33
RST_DAC
10 DAC Reset (Input) - Powers down the DAC and resets all internal resisters to their default settings.
ADC_SCLK
11 ADC Serial Clock (Input/Output) - Serial clock for the ADC serial audio interface.
ADC_LRCK
VLC
12 ADC Left Right Clock (Input/Output) - Determines which channel, Left or Right, is currently active
on the ADC serial audio data line.
16 Control Port Interface Power (Input) - Positive power for the control port interface.
ADC_PDN
18 ADC Power-Down (Input) - The ADC enters a low power mode when low.
TST
19,20 Test Pin (Input) - Connect to GND.
23,27
35,42
6
DS614PP5