CAT5171 Datasheet, PDF (2/12 Pages) ON Semiconductor – 256-Position I2C Compatible Digital Potentiometer

CAT5171
V_DD
SCL
A
I²C Interface
SDA
and
Control
W
AD0
Power On
Midscale
B
GND
Figure 1. Functional Block Diagram
Table 1. ORDERING INFORMATION
Part Number
Resistance
Temperature Range
Package
Shipping^†
CAT5171TBI−50GT3
CAT5171TBI−00GT3
50 kW
100 kW
−40°C to 85°C
SOT−23−8
(Pb−Free)
3000/Tape & Reel
3000/Tape & Reel
†For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging
Specifications Brochure, BRD8011/D.
Table 2. PIN FUNCTION DESCRIPTION
Pin No.
Pin Name
1
W
Resistor’s Wiper Terminal
2
V_DD
Positive Power Supply
3
GND
Digital Ground
4
SCL
Serial Clock Input
5
SDA
Serial Data Input
6
AD0
I²C Address bit 0 input
7
B
Bottom Terminal of resistive element
8
A
Top Terminal of resistive element
Description
Table 3. ABSOLUTE MAXIMUM RATINGS (Note 1)
Rating
Value
Unit
V_DD to GND
V_A, V_B, V_W to GND
I_MAX
Digital Inputs and Output Voltage to GND
−0.3 to 6.5
V
V_DD
±20
mA
0 to 6.5
V
Operating Temperature Range
−40 to +85
°C
Maximum Junction Temperature (T_JMAX)
Storage Temperature
150
°C
−65 to +150
°C
Lead Temperature (Soldering, 10 sec)
300
°C
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
1. Maximum terminal current is bounded by the maximum current handling of the switches, maximum power dissipation of the package, and
maximum applied voltage across any two of the A, B, and W terminals at a given resistance.
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