CS5126-KL Cirrus Logic Inc, CS5126-KL Datasheet - Page 23

• Manufacturer Part Number: CS5126-KL
• Description: ADC Single SAR 100KSPS 16-Bit Serial 28-Pin PLCC
• Manufacturer: Cirrus Logic Inc

Specifications of CS5126-KL

• Package: 28PLCC
• Resolution: 16 Bit
• Sampling Rate: 100 KSPS
• Architecture: SAR
• Number Of Adcs: 1
• Number Of Analog Inputs: 2
• Digital Interface Type: Serial
• Input Type: Voltage
• Polarity Of Input Voltage: Bipolar

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