Datasheet

Dual, 256-Tap, Volatile, Low-Voltage,
Linear Taper Digital Potentiometer
MAX5392
_______________________________________________________________________________________ 5
Typical Operating Characteristics
(V
DD
= 1.8V, T
A
= +25°C, unless otherwise noted.)
SUPPLY CURRENT
vs. TEMPERATURE
MAX5392 toc01
TEMPERATURE (°C)
SUPPLY CURRENT (µA)
1109580655035205-10-20
5
10
15
20
25
30
0
-40 125
V
DD
= 5V
V
DD
= 1.8V
V
DD
= 2.6V
SUPPLY CURRENT
vs. DIGITAL INPUT VOLTAGE
MAX5392 toc02
DIGITAL INPUT VOLTAGE (V)
SUPPLY CURRENT (µA)
4.54.03.53.02.52.01.51.00.5
10
100
1000
10,000
1
0 5.0
V
DD
= 5V
V
DD
= 2.6V
V
DD
= 1.8V
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX5392 toc03
V
DD
(V)
I
DD
(µA)
5.24.74.23.73.22.72.2
15
20
25
30
10
1.7
RESISTANCE (W_-TO-L_)
vs. TAP POSITION (10kI
)
MAX5392 toc04
TAP POSITION
W_-TO-L_ RESISTANCE (kI)
1
2
3
4
5
6
7
8
9
10
0
204153102510 255
RESISTANCE (W_-TO-L_)
vs. TAP POSITION (50kI
)
MAX5392 toc05
TAP POSITION
W_-TO-L_ RESISTANCE (kI)
5
10
15
20
25
30
35
40
45
50
0
204153102510 255
RESISTANCE (W_-TO-L_)
vs. TAP POSITION (100kI
)
MAX5392 toc06
TAP POSITION
W_-TO-L_ RESISTANCE (kI)
10
20
30
40
50
60
70
80
90
100
0
204153102510 255
WIPER RESISTANCE
vs. WIPER VOLTAGE (10kI
)
WIPER VOLTAGE (V)
WIPER RESISTANCE (I)
0.5
80
100
120
140
60
0 1.0
MAX5392 toc07
V
DD
= 5V
V
DD
= 2.6V
V
DD
= 1.8V
5.04.54.03.53.02.52.01.5
END-TO-END RESISTANCE PERCENTAGE
CHANGE vs. TEMPERATURE
MAX5392 toc08
TEMPERATURE (°C)
END-TO-END RESISTANCE % CHANGE
11095-25 -10 5 35 50 6520 80
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.05
100kI
10kI
50kI
-0.03
-40 125
VARIABLE RESISTOR DNL
vs. TAP POSITION (10kI
)
MAX5392 toc09
TAP POSITION
DNL (LSB)
20415310251
-0.08
-0.06
-0.04
-0.02
0
0.02
0.04
0.06
0.08
0.10
-0.10
0 255
I
WIPER
= 150µA