MAX5389 MAXIM [Maxim Integrated Products], MAX5389 Datasheet - Page 4

• Manufacturer Part Number: MAX5389
• Description: Dual, 256-Tap, Volatile, Low-Voltage Linear Taper Digital Potentiometer
• Manufacturer: MAXIM [Maxim Integrated Products]

Figure 1. Voltage-Divider and Variable Resistor Configurations
( V
Dual, 256-Tap, Volatile, Low-Voltage
Linear Taper Digital Potentiometer
4
DD
0.1
______________________________________________________________________________________
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
11
10
= +5V, T
0
9
8
7
6
5
4
3
2
1
0
-40
0
-25
-10 5 20 35 50
vs. TAP POSITION (10kI)
51
A
RESISTANCE (W-TO-L)
= +25°C, unless otherwise noted.)
vs. TEMPERATURE
SUPPLY CURRENT
TEMPERATURE (°C)
V
V
DD
TAP POSITION
DD
102
= 2.6V
= 5V
153
65 80
204
95
110
125
255
10,000
1000
100
0.1
55
50
45
40
35
30
25
20
15
10
10
5
0
1
0
0
H
L
0.5
vs. DIGITAL INPUT VOLTAGE
vs. TAP POSITION (50kI)
1.0
51
DIGITAL INPUT VOLTAGE (V)
RESISTANCE (W-TO-L)
SUPPLY CURRENT
1.5
W
TAP POSITION
2.0
102
V
DD
2.5
= 2.6V
N.C.
Typical Operating Characteristics
153
L
3.0
3.5
V
DD
204
4.0
= 5V
W
4.5
255
5.0
110
100
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
90
80
70
60
50
40
30
20
10
0
0
2.6
0
3.1
vs. TAP POSITION (100kI)
51
RESISTANCE (W-TO-L)
vs. SUPPLY VOLTAGE
SUPPLY CURRENT
3.6
TAP POSITION
102
V
DD
4.1
(V)
153
4.6
204
5.1
255