Typical Operating Characteristics (continued)
(VDD = 5.0V, VSS = 0V, TA = +25°C, unless otherwise noted.)
10-Bit, Nonvolatile, Linear-Taper Digital
Potentiometers
0
20
10
40
30
50
60
70
80
WIPER RESISTANCE vs. CODE
(VARIABLE RESISTOR, TA = +25
°C)
MAX5481
toc19
R
W
(Ω
)
0
256 384
128
512 640 768 896 1024
CODE
0
20
10
40
30
50
60
70
80
WIPER RESISTANCE vs. CODE
(VARIABLE RESISTOR, TA = +85
°C)
MAX5481
toc20
R
W
(Ω
)
0
256 384
128
512 640 768 896 1024
CODE
0
10
30
20
50
60
40
70
W-TO-L RESISTANCE vs. CODE
(MAX5484)
MAX5481
toc21
R
WL
(k
Ω
)
0
256 384
128
512 640 768 896 1024
CODE
0
2
6
4
10
12
8
14
W-TO-L RESISTANCE vs. CODE
(MAX5483)
MAX5481
toc22
R
WL
(k
Ω
)
0
256 384
128
512 640 768 896 1024
CODE
18.0
18.5
19.0
19.5
20.0
20.5
21.0
21.5
22.0
012345
WIPER RESISTANCE vs. WIPER VOLTAGE
(VARIABLE RESISTOR)
MAX5481
toc23
WIPER VOLTAGE (V)
R
W
(Ω
)
VDD = 5V
CODE = 00 0000
-2.0
-1.5
-1.0
-0.5
0
0.5
1.0
1.5
2.0
-40
-15
10
35
60
85
END-TO-END (RHL) % CHANGE
vs. TEMPERATURE (VOLTAGE-DIVIDER)
MAX5481
toc24
TEMPERATURE (
°C)
END-TO-END
RESISTANCE
CHANGE
(%)
-2.0
-1.5
-1.0
-0.5
0
0.5
1.0
1.5
2.0
-40
-15
10
35
60
85
WIPER-TO-END RESISTANCE (RWL) % CHANGE
vs. TEMPERATURE (VARIABLE RESISTOR)
MAX5481
toc25
TEMPERATURE (
°C)
WIPER-TO-END
RESISTANCE
CHANGE
(%)
CODE = 11 1111 1111
0
0.3
0.9
0.6
1.2
1.5
-40
10
-15
35
60
85
STANDBY SUPPLY CURRENT
vs. TEMPERATURE
MAX5481
toc26
TEMPERATURE (
°C)
I DD
(μ
A)
VDD = 5.25V
DIGITAL SUPPLY CURRENT
vs. DIGITAL INPUT VOLTAGE
MAX5481
toc27
DIGITAL INPUT VOLTAGE (V)
I DD
(μ
A)
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
1
10
100
1000
10,000
0.1
0
5.0
VDD = 5V
MAX5481–MAX5484
7
Maxim Integrated