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