CAT5110, CAT5118,
CAT5119, CAT5123,
CAT5124, CAT5125
32tap Digital
Potentiometers (POTs)
CAT5110, CAT5118, CAT5119, CAT5123, CAT5124, CAT5125
H
V
DD
GND
CS
W
U/D
L
Figure 1. Functional Diagram
Table 1. PIN DESCRIPTIONS
Pin Number
CAT5110/ CAT5118/ CAT5119/
Pin
CAT5125 CAT5123 CAT5124
Name
Description
1 1 1 V Power Supply
DD
2 2 2 GND Ground
3 3 3 U/D Up/Down Control Input. With CS low, a low-to-high transition increments
or decrements the wiper position.
4 4 4 CS Chip Select Input. A high-to-low CS transition determines the mode:
increment if U/D is high, or decrement if U/D is low.
5 L Low Terminal of Resistor
5 W Wiper Terminal of Resistor
6 6 6 H High Terminal of Resistor
Table 2. ABSOLUTE MAXIMUM RATINGS
Parameters Ratings Units
V to GND 0.3 to +6 V
DD
All Other Pins to GND 0.3 to (V + 0.3) V
DD
Input and Output LatchUp Immunity 200 mA
Maximum Continuous Current into H, L and W mA
0.6
100 k
1.3
50 k
1.3
10 k
Continuous Power Dissipation (T = +70C) mW
A
5-pin SC70 (Note 1) 247
6-pin SC70 (Note 1) 245
Operating Temperature Range 40 to +85 C
Junction Temperature +150 C
Storage Temperature Range 65 to +150 C
Soldering 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. Derate 3.1 mW/C above T = +70C
A