EVAL-AD1955EB Datasheet, PDF (17/24 Pages) Analog Devices – High Performance Multibit
- DAC with SACD Playback

MCLK
RDATA
SDATA
BCLK
LRCLK
DSD_PHASE
DSD_RDATA
DSD_LDATA
DSD_SCLK
CDATA
CLATCH
CCLK
MUTE
ZEROR
ZEROL
PD/RST
AD1955
DVDD
AVDD
C1
0.1␮F
L2
600Z
L3
600Z
C2
0.1␮F
DVDD
MCLK
U1
EF_RDATA
SDATA/EF_LDATA
BCLK/EF_BCLK
LRCLK/EF_WCLK
AVDD
IOUTL+
IOUTL–
DSD_PHASE
DSD_RDATA
DSD_LDATA
DSD_SCLK
CDATA
CLATCH
CCLK
AD1955
IOUTR+
IOUTR–
FILTR
MUTE
ZEROR
ZEROL
PD/RST
DGND
FILTB
IREF
AGND1 AGND2
R1
2.49k⍀
IOUTL+
IOUTL–
CONNECT VBIAS TO VREFA FOR BEST PERFORMANCE
OR VREF FOR LOWER PARTS COUNT
AVDD
VREF
OR
VBIAS
R56
2.21k⍀
VREFA
R57
2.80k⍀
+ _C43
47␮F
C44
0.1␮F
VREFA
2.80V
IOUTR+
IOUTR–
+ _C4
10␮F
VREF
2.39V
C5
0.1␮F
+ _C6
47␮F
C3
0.1␮F
600Z
L1
Figure 6. DAC Power Supply and Bypass
REV. 0
–17–