Datasheet

MAX5403/MAX5404/MAX5405
Dual 256-Tap, Low-Drift,
Digital Potentiometers in 10-µMAX
4 _______________________________________________________________________________________
Typical Operating Characteristics
(V
DD
= +5.0V, T
A
= +25°C, unless otherwise noted.)
160
200
180
260
240
220
280
300
360
340
320
380
0 1.0 1.50.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
WIPER RESISTANCE vs.
WIPER VOLTAGE (50kΩ)
MAX5403 toc01
WIPER VOLTAGE (V)
WIPER RESISTANCE (Ω)
V
DD
= +3V
V
DD
= +5V
160
200
180
260
240
220
280
300
360
340
320
380
0 1.0 1.50.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
WIPER RESISTANCE vs.
WIPER VOLTAGE (100kΩ)
MAX5403 toc02
WIPER VOLTAGE (V)
WIPER RESISTANCE (Ω)
V
DD
= +3V
V
DD
= +5V
400
0
2
1
4
3
6
5
7
9
8
10
0649632 128 160 192 224 256
WIPER-TO-END RESISTANCE
vs. INPUT CODE (10kΩ)
MAX5403 toc06
INPUT CODE (DECIMAL)
W-TO-L RESISTANCE (kΩ)
0
10
5
20
15
30
25
35
45
40
50
0649632 128 160 192 224 256
WIPER-TO-END RESISTANCE
vs. INPUT CODE (50kΩ)
MAX5403 toc04
INPUT CODE (DECIMAL)
W-TO-L RESISTANCE (kΩ)
0
20
10
40
30
60
50
70
90
80
100
0649632 128 160 192 224 256
WIPER-TO-END RESISTANCE
vs. INPUT CODE (100kΩ)
MAX5403 toc05
INPUT CODE (DECIMAL)
W-TO-L RESISTANCE (kΩ)
160
200
180
240
220
280
260
300
02.01.0 3.0 4.00.5 2.51.5 3.5 4.5 5.0
WIPER VOLTAGE (V)
WIPER RESISTANCE
vs. WIPER VOLTAGE (10kΩ)
MAX5403 toc03
WIPER RESISTANCE (Ω)
V
DD
= +3V
V
DD
= +5V
-0.05
0.00
0.10
0.05
0.15
0.20
0649632 128 160 192 224 256
VARIABLE RESISTOR DNL
vs. INPUT CODE (10kΩ)
MAX5403 toc07
INPUT CODE (DECIMAL)
DNL (LSB)
-0.30
-0.10
-0.20
0.10
0.00
0.20
0.30
0.40
0.50
0649632 128 160 192 224 256
VARIABLE RESISTOR INL
vs. INPUT CODE (10kΩ)
MAX5403 toc08
INPUT CODE (DECIMAL)
INL (LSB)
-0.03
-0.01
-0.02
0.02
0.01
0.00
0.05
0.04
0.03
0.06
0649632 128 160 192 224 256
VARIABLE RESISTOR DNL
vs. INPUT CODE (50kΩ)
MAX5403 toc09
INPUT CODE (DECIMAL)
DNL (LSB)
V
DD
= +5V