Datasheet

MAX5450–MAX5455
Dual, 256-Tap, Up/Down Interface,
Digital Potentiometers
4 _______________________________________________________________________________________
Typical Operating Characteristics
(V
DD
= +5V, T
A
= +25°C, unless otherwise noted.)
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)
MAX5450/5 toc01
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 (50kΩ)
MAX5450/5 toc02
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)
MAX5450/5 toc03
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 RESISTANCE
vs. WIPER POSITION (10kΩ)
MAX5450/5 toc04
WIPER POSITION
W-TO-L RESISTANCE (kΩ)
0
10
5
20
15
30
25
35
45
40
50
0649632 128 160 192 224 256
WIPER RESISTANCE
vs. WIPER POSITION (50kΩ)
MAX5450/5 toc05
WIPER POSITION
W-TO-L RESISTANCE (kΩ)
0
20
10
40
30
60
50
70
90
80
100
0649632 128 160 192 224 256
WIPER RESISTANCE
vs. WIPER POSITION (100kΩ)
MAX5450/5 toc06
WIPER POSITION
W-TO-L RESISTANCE (kΩ)
-0.05
0.00
0.10
0.05
0.15
0.20
0649632 128 160 192 224 256
VARIABLE RESISTOR DNL
vs. WIPER POSITION (10kΩ)
MAX5450/5 toc07
WIPER POSITION
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. WIPER POSITION (MAX5451)
MAX5450/5 toc08
WIPER POSITION
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. WIPER POSITION (50kΩ)
MAX5450/5 toc09
WIPER POSITION
DNL (LSB)