MAX5401EKA-T Maxim Integrated Products, MAX5401EKA-T Datasheet - Page 4

• Manufacturer Part Number: MAX5401EKA-T
• Description: IC DIGITAL POT 256-TAP SOT23-8
• Manufacturer: Maxim Integrated Products

Specifications of MAX5401EKA-T

• Taps: 256
• Resistance (ohms): 100K
• Number Of Circuits: 1
• Temperature Coefficient: 50 ppm/°C Typical
• Memory Type: Volatile
• Interface: SPI, 3-Wire Serial
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: SOT-23-8
• Resistance In Ohms: 100K
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: MAX5401EKA-T; MAX5401EKA-TTR

256-Tap SOT-PoT,
Low-Drift Digital Potentiometers in SOT23
(T A = +25°C, unless otherwise noted.)
4
-0.005
-0.010
-0.015
-1.020
0.015
0.020
0.010
0.005
600
500
400
300
200
100
50
45
40
35
30
25
20
15
10
_______________________________________________________________________________________
5
0
0
0
0
0
0
W-to-L RESISTANCE vs. INPUT CODE
V
to 5.5V
DD
WIPER RESISTANCE vs. VOLTAGE
32
32
= 2.7V
V
DD
VARIABLE RESISTOR DNL
vs. INPUT CODE (100kΩ)
1
64
= +3V
64
INPUT CODE-DECIMAL
INPUT CODE-DECIMAL
WIPER VOLTAGE (V)
96
96
2
(50kΩ)
128 160 192 224 256
128 160 192 224 256
3
V
DD
= +5V
4
5
-0.015
-0.005
-0.010
-0.020
0.020
0.015
0.010
0.005
-0.05
-0.10
-0.15
-0.20
-0.01
-0.03
-0.05
-0.07
-0.09
-0.11
0.20
0.15
0.10
0.05
0.05
0.03
0.01
0
0
-40 -30 -20 -10 0 10 20 30 40 50 60 70 80
0
0
END-TO-END RESISTANCE % CHANGE
32
32
VARIABLE RESISTOR DNL
vs. INPUT CODE (100kΩ)
VARIABLE RESISTOR INL
vs. INPUT CODE (50kΩ)
64
64
INPUT CODE-DECIMAL
INPUT CODE-DECIMAL
vs. TEMPERATURE
TEMPERATURE (°C)
96
96
128 160 192 224 256
128 160 192 224 256
Typical Operating Characteristics
50kΩ
100kΩ
-0.05
-0.10
-0.15
-0.20
100
0.20
0.15
0.10
0.05
1.0
0.8
0.6
0.4
0.2
90
80
70
60
50
40
30
20
10
0
0
0
-40
0
VARIABLE RESISTOR INL vs. INPUT CODE
0
W-to-L RESISTANCE vs. INPUT CODE
-30
V
to 5.5V
DD
32
32
-20
= 2.7V
-10
64
64
INPUT CODE-DECIMAL
vs. TEMPERATURE
SUPPLY CURRENT
INPUT CODE-DECIMAL
TEMPERATURE (°C)
0
96
96
10
(100kΩ)
(50kΩ)
128 160 192 224 256
20
128 160 192 224 256
30
40
50
V
DD
V
DD
60
= +3V
= +5V
70
80