MAX5389 查看數據表（PDF） - Maxim Integrated
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MAX5389 Datasheet PDF : 13 Pages
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Dual, 256-Tap, Volatile, Low-Voltage
Linear Taper Digital Potentiometer
H
N.C.
W
W
L
L
Figure 1. Voltage-Divider and Variable Resistor Configurations
(VDD = +5V, TA = +25°C, unless otherwise noted.)
Typical Operating Characteristics
SUPPLY CURRENT
vs. TEMPERATURE
1.0
0.9
0.8
VDD = 5V
0.7
0.6
0.5
0.4
VDD = 2.6V
0.3
0.2
0.1
0
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
RESISTANCE (W-TO-L)
vs. TAP POSITION (10kI)
11
10
9
8
7
6
5
4
3
2
1
0
0
51 102 153 204 255
TAP POSITION
10,000
1000
SUPPLY CURRENT
vs. DIGITAL INPUT VOLTAGE
VDD = 5V
100
VDD = 2.6V
10
1
0.1
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)
55
50
45
40
35
30
25
20
15
10
5
0
0
51 102 153 204 255
TAP POSITION
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
2.6
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
3.1 3.6 4.1 4.6 5.1
VDD (V)
110
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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