Q305: WM8742 DAC-1
BLOCK DIAGRAM
A
VDDL
A
G
NDL
MUTEB/SDOUT
MODE/LRSEL
CSB/SADDR/I2S
SDIN/DEEMPH
SCLK/DSD
ZFLA
G
DIFFHW
VMIDL
VOUTLP
VOUTLN
VOUTRP
VOUTRN
VMIDR
BCLK/DSD64CLK
FSEL/DINR
DIN/DINL
LRCLK/DSDL
IWO/DOUT
OSR/DSDR
PCM
AUDIO
INTERFACE
DSD
PCM
ATTENUATION/
MUTE
DSD TO PCM
CONVERTOR
PCM
ATTENUATION/
MUTE
CONTROL INTERFACE
PCM DIGITAL FILTERS
DSD ATTENUATION/
MUTE
SIGNAL DELTA
MODULATOR
SIGNAL DELTA
MODULATOR
PCM/DSD MUX
DAC
LEFT
DAC
RIGHT
C-S5VL
IC BLOCK DIAGRAM/ TERMINAL DESCRIPTION
PIN CONFIGURATION
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
LRCLK/DSDL
DIN/DINL
BCLK/DSD64CLK
FSEL/DINR
MCLK
DIFFHW
DGND
DVDD
AVDDR
AGNDDR
VMIDR
VOUTRP
VOUTRN
AGND
CSB/SADDR/I2S
SCLK/DSD
SDIN/DEEMPH
MUTEB/SDOUT
MODE/LRSEL
IWO/DOUT
OSR/DSDR
ZFLAG
AVDDL
AGNDL
VMIDL
VOUTLP
VOUTLN
AVDD