ad5171 Analog Devices, Inc., ad5171 Datasheet - Page 7

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

PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
Table 3. Pin Function Descriptions
Pin No.
1
2
3
4
5
6
7
8
W
V
GND
SCL
SDA
AD0
B
A
Mnemonic
DD
Description
Wiper Terminal W. GND ≤ V
Positive Power Supply. Specified for operation from 2.7 V to 5.5 V. For OTP programming, V
minimum of 5.25 V and have a100 mA driving capability.
Common Ground.
Serial Clock Input. Requires a pull-up resistor. If it is driven direct from a logic controller without the pull-up
resistor, ensure that V
Serial Data Input/Output. Requires a pull-up resistor. If it is driven direct from a logic controller without a pull-up
resistor, ensure that V
I
Resistor Terminal B. GND ≤ V
Resistor Terminal A. GND ≤ V
2
C Device Address Bit. Allows a maximum of two AD5171s to be addressed.
IH
IH
min is 0.7 V × V
min is 0.7 V × V
W
B
A
≤ V
≤ V
≤ V
GND
SCL
V
DD
W
DD
Figure 4. Pin Configuration
DD
DD
.
.
1
2
3
4
.
Rev. B | Page 7 of 24
(Not to Scale)
AD5171
TOP VIEW
DD
DD
.
.
8
7
6
5
A
B
AD0
SDA
DD
needs to be a
AD5171