Datasheet

0
0.4
0.2
0.8
0.6
1.0
SUPPLY CURRENT
vs. TEMPERATURE
MAX5400toc09
TEMPERATURE (°C)
SUPPLY CURRENT (µA)
-40 -20
020406080
-30
-10
10
30
70
50
V
DD
= +3V
V
DD
= +5V
MAX5400/MAX5401
256-Tap SOT-PoT,
Low-Drift Digital Potentiometers in SOT23
4 _______________________________________________________________________________________
Typical Operating Characteristics
(T
A
= +25°C, unless otherwise noted.)
0
200
100
400
300
600
500
021345
WIPER RESISTANCE vs. VOLTAGE
MAX5400 toc01
WIPER VOLTAGE (V)
WIPER RESISTANCE (Ω)
V
DD
= +3V
V
DD
= +5V
-0.11
-0.05
-0.07
-0.09
-0.03
-0.01
0.03
0.01
0.05
-40 -30 -20 -10 0 10 20 30 40 50
60 70 80
END-TO-END RESISTANCE % CHANGE
vs. TEMPERATURE
MAX5400toc02
TEMPERATURE (°C)
END-TO-END RESISTANCE % CHANGE
100kΩ
50kΩ
0
20
10
40
30
60
50
70
90
80
100
0649632 128 160 192 224 256
W-to-L RESISTANCE vs. INPUT CODE
(100kΩ)
MAX5400 Toc03
INPUT CODE-DECIMAL
W-TO-L RESISTANCE (kΩ)
V
DD
= 2.7V
to 5.5V
0
10
5
20
15
30
25
35
45
40
50
0649632 128 160 192 224 256
W-to-L RESISTANCE vs. INPUT CODE
(50kΩ)
MAX5400 Toc04
INPUT CODE-DECIMAL
W-TO-L RESISTANCE (kΩ)
V
DD
= 2.7V
to 5.5V
-0.020
-0.010
-0.015
-0.005
0
0.005
0.015
0.010
0.020
0649632 128 160 192 224 256
VARIABLE RESISTOR DNL
vs. INPUT CODE (50kΩ)
MAX5400 Toc05
INPUT CODE-DECIMAL
(LSB)
-0.20
-0.15
-0.05
-0.10
0.05
0
0.10
0.15
0.20
0649632 128 160 192 224 256
VARIABLE RESISTOR INL vs. INPUT CODE
(50kΩ)
MAX5400 Toc06
INPUT CODE-DECIMAL
(LSB)
-1.020
-0.010
-0.015
-0.005
0.005
0
0.010
0.015
0.020
0649632 128 160 192 224 256
VARIABLE RESISTOR DNL
vs. INPUT CODE (100kΩ)
MAX5400 Toc07
INPUT CODE-DECIMAL
(LSB)
-0.20
-0.10
-0.15
-0.05
0.05
0
0.15
0.10
0.20
0649632 128 160 192 224 256
VARIABLE RESISTOR INL
vs. INPUT CODE (100kΩ)
MAX5400 Toc08
INPUT CODE-DECIMAL
(LSB)