CS5126 Datasheet, PDF (23/32 Pages) Cirrus Logic – 16-Bit Stereo A/D Converter for Digital Audio

CDB5126
4.99 k
In A
1 nF C0G
ceramic
4.99 k
In B
1 nF C0G
ceramic
4.99 k
4.99 k
V+
1M
50 k
Offset
ADJ V-
+15 V
-15 V
10
1 µF
tantalum
35 V
1 µF
tantalum
35 V
10
1 nF C0G
ceramic
6.81 k
V+
7
2 _OP27
6
34
V-
200
1 nF C0G
ceramic
1M
Vout
121 k
V+
0.01 µF
ceramic
Notes:
1) In B and offset adjust are optional.
2) Offset adjustment range is
+ 10 mV with values shown.
0.01 µF
ceramic
V-
Figure 2. Example Input Buffer Circuit (not provided on the CDB5126 evaluation board)
+15V
2
IN
6
OUT
R2
U2
1k
LT1019-5
5
TRIM
R1
25 k
GND
CW
4
+ C1
10 µF
C2
0.1 µF
+15V
3
7
2 ^{OP27 6}
4
C6
0.1 µF
R3
22
C7 R4
0.01 µF 47 k
R5
-15V
1k
C4
0.1 µF
J2
+ C8
U1
TP1 ^CS5126
VREF
C9 ²⁰
16 µF 0.1 µF
TP4
AGND
22
Figure 3. Voltage Reference
DS32DB5
23