Datasheet

MAX5450–MAX5455
Dual, 256-Tap, Up/Down Interface,
Digital Potentiometers
6 _______________________________________________________________________________________
Typical Operating Characteristics (continued)
(V
DD
= +5V, T
A
= +25°C, unless otherwise noted.)
1
0.0001
01 45
SUPPLY CURRENT
vs. DIGITAL INPUT VOLTAGE
0.001
0.01
0.1
MAX5450/5 toc20
DIGITAL INPUT VOLTAGE (V)
I
DD
(mA)
2 3
V
DD
= 5V
V
DD
= 3V
0
0.2
0.6
0.4
0.8
1.0
-40-30-20-100 102030 405060 7080
SUPPLY CURRENT vs. TEMPERATURE
MAX5450/5 toc21
TEMPERATURE (
°
C)
SUPPLY CURRENT (µA)
V
DD
= +3V
V
DD
= +5V
0
0.4
0.2
0.8
0.6
1.2
1.0
1.4
0231 456
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX5450/5 toc19
V
DD
(V)
I
DD
(µA)
DIGITAL INPUTS + V
DD
-0.25
-0.15
-0.20
0
-0.05
-0.10
0.15
0.10
0.05
0.20
-40 0 20-20 406080
END-TO-END RESISTANCE % CHANGE
vs. TEMPERATURE
MAX5450/5 toc22
TEMPERATURE (
°
C)
END-TO-END RESISTANCE % CHANGE
100k
Ω
100k
Ω
10k
Ω
50k
Ω
10k
Ω
50k
Ω
1
µ
s/div
TAP-TO-TAP SWITCHING TRANSIENT
W
10mV/div
MAX5450/5 toc23
INC_
5V/div
MAX5455
MAX5451
MAX5453