EVAL-AD1955EB Datasheet, PDF (19/24 Pages) Analog Devices – High Performance Multibit
- DAC with SACD Playback

12V
R24
2.00k⍀
R25
2.00k⍀
IOUTL+
C23
OPEN
C24
OPEN
IOUTL–
VBIAS
C25
100pF
R26
402⍀
+12V
R27
2.00k⍀
R28
100⍀
C26
100pF
U6-A
COMP
AD797
OUT
NL–
NL+
U7-A
COMP
AD797
OUT
NL–
NL+
R29
C27
100⍀ ^R30 100pF
2.00k⍀
AD1955
R31
681⍀
R32
681⍀
R33
226⍀
R34
324⍀
C28
5.6nF
C29
5.6nF
R35
324⍀
R36
226⍀
C30
2.7nF
R37
100⍀
U8-A
COMP
AD797
OUT
NL–
NL+
C31
2.7nF
–3dB at 75 kHz
R38
332⍀
J3
C32
3.9nF
R39
OPEN
LEFT
FILTER
OUT
2VRMS
AD797
+
0.1␮F
4.7␮F
+
0.1␮F
4.7␮F
–12V
OP AMP BYPASS
DUPLICATE FOR EACH PART
Figure 9. Left Channel Single-Ended Output
12V
R40
2.00k⍀
R41
2.00k⍀
IOUTR+
C33
OPEN
C34
OPEN
IOUTR–
VBIAS
C35
100pF
R42
402⍀
+12V
R43
2.00k⍀
R44
100⍀
C36
100pF
U9-A
COMP
AD797
OUT
NL–
NL+
U10-A
COMP
AD797
OUT
NL–
NL+
R45
C37
100⍀ ^R46 100pF
2.00k⍀
R47
681⍀
R48
681⍀
R49
226⍀
R50
324⍀
C38
5.6nF
C39
5.6nF
R51
324⍀
R52
226⍀
C40
2.7nF
R53
100⍀
U11-A
COMP
AD797
OUT
NL–
NL+
C41
2.7nF
–3dB at 75 kHz
R54
332⍀
J4
C42
3.9nF
R55
OPEN
RIGHT
FILTER
OUT
2VRMS
AD797
–12V
REV. 0
+
0.1␮F
4.7␮F
+
0.1␮F
4.7␮F
OP AMP BYPASS
DUPLICATE FOR EACH PART
Figure 10. Right Channel Single-Ended Output
–19–