Datasheet

MAX5402
256-Tap, µPoT, Low-Drift,
Digital Potentiometer
4 _______________________________________________________________________________________
Typical Operating Characteristics
(T
A
= +25°C, unless otherwise noted.)
100
125
150
175
200
225
250
275
300
012345
WIPER RESISTANCE
vs. WIPER VOLTAGE
MAX5402 Toc01
WIPER VOLTAGE (V)
WIPER RESISTANCE (Ω)
V
DD
= +3V
V
DD
= +5V
-0.20
-0.10
-0.15
0.00
-0.05
0.05
0.10
-40-30-20-100 1020304050607080 90
END-TO-END RESISTANCE % CHANGE
vs. TEMPERATURE
MAX5402 Toc02
TEMPERATURE (°C)
END-TO-END RESISTANCE % CHANGE
0
2
1
4
3
6
5
7
9
8
10
0649632 128 160 192 224 256
RESISTANCE vs. INPUT CODE
MAX5402 Toc03
INPUT CODE (DECIMAL)
W-TO-L RESISTANCE (kΩ)
-0.20
-0.10
-0.15
0.05
0.00
-0.05
0.20
0.15
0.10
0.25
0 96 12832 64 160 192 224 256
VARIABLE RESISTOR DNL
vs. INPUT CODE
MAX5402 Toc04
INPUT CODE (DECIMAL)
RDNL (LSB)
-0.4
-0.3
-0.1
-0.2
0.1
0.2
0.0
0.3
0649632 128 160 192 224 256
VARIABLE RESISTOR INL
vs. INPUT CODE
MAX5402 Toc05
INPUT CODE (DECIMAL)
RINL (LSB)
-0.08
-0.04
-0.06
0.00
-0.02
0.02
0.04
0.06
0.08
0649632 128 160 192 224 256
VOLTAGE-DIVIDER DNL vs. INPUT CODE
MAX5402 Toc06
INPUT CODE (DECIMAL)
DNL (LSB)