MAX5391(2009) View Datasheet(PDF) - Maxim Integrated
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MAX5391
(Rev.:2009)
(Rev.:2009)
Maxim Integrated
MAX5391 Datasheet PDF : 13 Pages
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Dual 256-Tap, Volatile, Low-Voltage
Linear Taper Digital Potentiometers
H
N.C.
W
W
L
L
Figure 1. Voltage-Divider and Variable Resistor Configurations
(VDD = 1.8V, TA = +25NC, unless otherwise noted.)
Typical Operating Characteristics
SUPPLY CURRENT
vs. TEMPERATURE
30
VDD = 5V
25
20
VDD = 2.6V
15
10
VDD = 1.8V
5
0
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
RESISTANCE (W_-TO-L_)
vs. TAP POSITION (10kI)
10
9
8
7
6
5
4
3
2
1
0
0
51 102 153 204 255
TAP POSITION
10,000
1000
100
SUPPLY CURRENT
vs. DIGITAL INPUT VOLTAGE
VDD = 5V
VDD = 2.6V
10
VDD = 1.8V
1
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
DIGITAL INPUT VOLTAGE (V)
RESISTANCE (W_-TO-L_)
vs. TAP POSITION (50kI)
50
45
40
35
30
25
20
15
10
5
0
0
51 102 153 204 255
TAP POSITION
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
30
25
20
15
10
1.7 2.2 2.7 3.2 3.7 4.2 4.7 5.2
VDD (V)
100
90
80
70
60
50
40
30
20
10
0
0
RESISTANCE (W_-TO-L_)
vs. TAP POSITION (100kI)
51 102 153 204 255
TAP POSITION
4 _______________________________________________________________________________________
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