Datasheet

MAX5427/MAX5428/MAX5429
One-Time Programmable, Linear-Taper
Digital Potentiometers
4 _______________________________________________________________________________________
Typical Operating Characteristics
(V
DD
= 5.0V, T
A
= +25°C, unless otherwise noted.)
WIPER RESISTANCE vs. WIPER VOLTAGE
MAX5427 toc01
WIPER VOLTAGE (V)
WIPER RESISTANCE (Ω)
4321
100
120
140
160
80
05
V
DD
= 3.3V
V
DD
= 5.0V
END-TO-END RESISTANCE PERCENT
CHANGE vs. TEMPERATURE
MAX5427-29 toc02
TEMPERATURE (°C)
END-TO-END RESISTANCE CHANGE (%)
603510-15
-0.2
-0.1
0
0.1
0.2
0.3
-0.3
-40 85
MAX5429
MAX5428
MAX5427
W-TO-L RESISTANCE
vs. TAP POSITION
MAX5427-29 toc03
TAP POSITION
W-TO-L RESISTANCE (kΩ)
252015105
10
20
30
40
50
60
70
80
90
100
0
030
MAX5427
MAX5428
MAX5429
SUPPLY CURRENT vs. TEMPERATURE
MAX5427-29 toc04
TEMPERATURE (°C)
SUPPLY CURRENT (µA)
603510-15
0.05
0.10
0.15
0.20
0.25
0.30
0
-40 85
V
DD
= 5.0V
V
DD
= 3.3V
R-DNL ERROR vs. INPUT CODE
(MAX5427)
MAX5427-29 toc07
INPUT CODE (DECIMAL)
R-DNL (LSB)
252051015
-0.015
-0.010
-0.005
0
0.005
0.010
0.015
0.020
-0.020
030
R-INL ERROR vs. INPUT CODE
(MAX5427)
MAX5427-29 toc08
INPUT CODE (DECIMAL)
R-INL (LSB)
252015105
-0.08
-0.06
-0.04
-0.02
0
0.02
0.04
0.06
0.08
0.10
-0.10
030
R-DNL ERROR vs. INPUT CODE
(MAX5428)
MAX5427-29 toc09
INPUT CODE (DECIMAL)
R-DNL (LSB)
252051015
-0.015
-0.010
-0.005
0
0.005
0.010
0.015
0.020
-0.020
030
TAP-TO-TAP SWITCHING TRANSIENT
MAX5427-29 toc05
100ns/div
OUTPUT
W
100mV/div
U/D
2V/div
C
L
= 10pF
WIPER TRANSIENT AT POWER-ON
MAX5427-29 toc06
2
µ
s/div
OUTPUT
W
1V/div
V
DD
2V/div