CAT5121_13 Datasheet, PDF (2/11 Pages) ON Semiconductor – 16‐tap Digital Potentiometers (POTs)

CAT5120, CAT5121, CAT5122
V_DD
GND
CS
H
W
U/D
L
Figure 1. Functional Diagram
Table 1. PIN DESCRIPTIONS
Name
Description
V_DD
GND
Power Supply
Ground
U/D
Up/Down Control Input. With CS low, a low-to-high transition increments or decrements the wiper position.
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.
L
Low Terminal of Resistor
W
Wiper Terminal of Resistor
H
High Terminal of Resistor
Table 2. ABSOLUTE MAXIMUM RATINGS
Parameters
Ratings
Units
V_DD to GND
All Other Pins to GND
Input and Output Latch-up Immunity
−0.3 to +6
V
−0.3 to (V_DD + 0.3)
V
200
mA
Maximum Continuous Current into H, L and W
50 kW
ą10 kW
mA
1.3
1.3
Continuous Power Dissipation (T_A = +70C)
5-pin SC−70 (Note 1)
6-pin SC−70 (Note 1)
mW
247
245
Operating Temperature Range
−40 to +85
C
Junction Temperature
+150
C
Storage Temperature Range
−65 to +150
C
Soldering Temperature (soldering, 10 s)
+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_A = +70C
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