Datasheet

EVAL-AD1940AZ Preliminary Technical Data
Rev. PrA | Page 20 of 30
ANALOG AUDIO OUTPUT FILTERS (1)
Analog Outputs 0-1
1V RMS
Analog Outputs 2-3
1V RMS
+
C104
2
-
3
+
1
U24-A
AD8606AR
R70
1k65
1%
R71
5k49
1%
R72
3k32
1%
R73
11k0
1%
R74 5k49
1%
R75
2k74
1%
R76
49k9
1%
C105 220pF C106 100pF
C107 2.2nF
C108 330pF C109 680pF
R77
604r
1%
TP59
C110 OPEN
RING SLEEVE TIP
J18
R78
0R00
+
C111
6
-
5
+
7
U24-B
AD8606AR
R79
1k65
1%
R80
5k49
1%
R81
3k32
1%
R82
11k0
1%
R83
5k49 1%
R84
2k74
1%
R85
49k9
1%
C112 220pF C113 100pF
C114 2.2nF
C115 330pF C116 680pF
R86
604r
1%
TP60
C117 OPEN
R87
0R00
+
C118
2
-
3
+
1
U25-A
AD8606AR
R88
1k65
1%
R89
5k49
1%
R90
3k32
1%
R91
11k0
1%
R92
5k49
1%
R93
2k74
1%
R94
49k9
1%
C119
220pF
C120
100pF
C121 2.2nF
C122 330pF C123 680pF
R95
604r
1%
TP61
C124 OPEN
RING SLEEVE TIP
J19
R96
0R00
+
C125
6
-
5
+
7
U25-B
AD8606AR
R97
1k65
1%
R98
5k49
1%
R99
3k32
1%
R100
11k0
1%
R101
5k49
1%
R102
2k74
1%
R103
49k9
1%
C126 220pF C127 100pF
C128 2.2nF
C129 330pF C130 680pF
R104
604r
1%
TP62
C131 OPEN
R105
0R00
C56
4
V-
8
V+
U24-C
AD8606AR
C57
4
V-
8
V+
U25-C
AD8606AR
1939_OUT0-
1939_OUT0+
CM
1939_OUT1-
1939_OUT1+
CM
1939_OUT2-
1939_OUT2+
CM
1939_OUT3-
1939_OUT3+
CM
A3V3
Figure 24. Analog Audio Output Filters (1) Schematics