ad5171 Analog Devices, Inc., ad5171 Datasheet - Page 21

• Manufacturer Part Number: ad5171
• Description: 64-position Otp Digital Potentiometer
• Manufacturer: Analog Devices, Inc.

EVALUATION BOARD
The AD5171 evaluation board comes with a dual op amp AD822
and a 2.5 V reference ADR03. Users can configure many building
block circuits with minimum components needed. Figure 49
shows one of the examples. There is space available on the board
where users can build additional circuits for further evaluations
as shown in Figure 50.
J1
8
7
6
5
4
3
2
1
V
DD
V
A
B
REF
10µF
V
C1
W
DD
SCL
10kΩ
SDA
Figure 49. Programmable Voltage Reference
R1
R2
10kΩ
V
0.1µF
O
C2
JP2
JP1
U2
B
A
V
REF
W
1
2
3
4
W
V
GND
SCL
JP7
DD
AD5170
U1
JP4
SDA
JP3
2
3
AD0
V
DD
A
B
11
CP2
4
0.1µF
8
7
6
5
V+
V–
U3A
C4
1
AD822
0.1µF
C3
Figure 48. Evaluation Board Schematic
V
OUT1
DD
1
2
3
TEMP
GND
V
AD5171/AD5273
Rev. B | Page 21 of 24
IN
1
2
3
4
ADR03
W
V
GND
SCL
U4
DD
TRIM
V
U2
OUT
AD0
SDA
5
4
A
B
8
7
6
5
C5
0.1µF
JP1
JP2
V
A
W
B
AGND
REF
V
IN
JP8
Figure 50. Evaluation Board
CP3
CP1
JP7
+IN1
–IN2
+IN2
6
5
–IN1
2
3
CP5
U3B
4
8
JP5
JP3
JP4
JP6
U3A
7
CP2
CP4
0.1µF
C6
0.1µF
OUT2
V–
C8
1
CP6
AD5171
CP7
C7
10µF
V
V
V+
OUT1
CC
DD
OUT1
C9
10µF
V
EE