Datasheet

(V
DD
= 1.8V, T
A
= +25°C, unless otherwise noted.)
SUPPLY CURRENT
vs. DIGITAL INPUT VOLTAGE
MAX5394 toc02
DIGITAL INPUT VOLTAGE (V)
SUPPLY CURRENT (µA)
4321
200
400
600
800
1000
1200
1400
1600
1800
2000
2200
2400
2600
0
0 5
V
DD
= 5V
(LOW-HIGH)
V
DD
= 3.3V
(LOW-HIGH)
V
DD
= 1.8V
(LOW-HIGH)
V
DD
= 1.8V
(HIGH-LOW)
V
DD
= 3.3V
(HIGH-LOW)
V
DD
= 5V
(HIGH-LOW)
SUPPLY CURRENT vs. INPUT VOLTAGE
MAX5394 toc03
INPUT VOLTAGE (V)
4.553.602.651.70 5.50
SUPPLY CURRENT (μA)
40
0
5
10
15
20
25
30
35
T
A
= -40°C
T
A
= +25°C
T
A
= +125°C
RESISTANCE (W-TO-L)
vs. TAP POSITION (10kΩ)
MAX5394 toc04
TAP POSITION
W-TO-L RESISTANCE (kΩ)
1
2
3
4
5
6
7
8
9
10
0
0 256224192128 16064 9632
RESISTANCE (W-TO-L)
vs. TAP POSITION (50kΩ)
MAX5394 toc05
TAP POSITION
W-TO-L RESISTANCE (kΩ)
5
10
15
20
25
30
35
40
45
50
0
0 256224192128 16064 9632
RESISTANCE (W-TO-L)
vs. TAP POSITION (100kΩ)
MAX5394 toc06
TAP POSITION
W-TO-L RESISTANCE (kΩ)
10
20
30
40
50
60
70
80
90
100
0
0 256224192128 16064 9632
WIPER RESISTANCE
vs. WIPER VOLTAGE
WIPER VOLTAGE (V)
WIPER RESISTANCE (Ω)
0.5
0
5
0 1.0
MAX5394 toc07a
V
DD
= 2.6V, QP OFF
V
DD
= 5V, QP OFF
5.04.54.03.53.02.52.01.5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
SUPPLY CURRENT vs. TEMPERATURE
MAX5394 toc01
TEMPERATURE (°C)
SUPPLY CURRENT (μA)
1109580655035205-10-25
40
0
-40 125
5
10
15
20
25
30
35
V
DD
= 1.8V
5
10
15
20
25
30
35
WIPER RESISTANCE
vs. WIPER VOLTAGE
WIPER VOLTAGE (V)
WIPER RESISTANCE (Ω)
0.5
0
0 1.0
MAX5394 toc07b
V
DD
= 1.8V, QP ON
5.04.54.03.53.02.52.01.5
40
END-TO-END RESISTANCE PERCENTAGE
CHANGE vs. TEMPERATURE
MAX5394 toc08
TEMPERATURE (°C)
END-TO-END RESISTANCE PERCENTAGE CHANGE (%)
1109580655035205-10-25
-0.2
-40 125
0
0.2
0.4
0.6
0.8
50kΩ
10kΩ
100kΩ
Maxim Integrated │ 6
www.maximintegrated.com
MAX5394 Single, 256-Tap Volatile, SPI, Low-Voltage Linear
Taper Digital Potentiometer
Typical Operating Characteristics