MAX5401EKA-T Maxim Integrated Products, MAX5401EKA-T Datasheet - Page 5

• 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

(T A = +25°C, unless otherwise noted.)
PIN
1
2
3
4
5
6
7
8
Low-Drift Digital Potentiometers in SOT23
-0.02
-0.04
-0.06
-0.08
-0.10
0.10
0.08
0.06
0.04
0.02
V
W-L
CS
0
NAME
SCLK
GND
V
_______________________________________________________________________________________
DIN
CS
0
W
H
L
DD
TAP-to-TAP SWITCHING TRANSIENT
(FROM CODE 127 toc CODE 128)
32
vs. INPUT CODE (50kΩ)
VOLTAGE DIVIDER DNL
64
INPUT CODE-DECIMAL
Low Terminal of Resistor
Ground
Chip Select Input
Serial Data Input
Clock Input
Power Supply. Bypass with a 0.1µF capacitor to GND.
Wiper Terminal
High Terminal of Resistor
96
128 160 192 224 256
Typical Operating Characteristics (continued)
MAX5400 Toc10
10mV/div
0
2.5V
5V/div
0.0001
0.001
0.01
-0.05
-0.10
-0.15
-0.20
0.1
0.20
0.15
0.10
0.05
10
1
0
FUNCTION
0
0
V
DD
32
= +2.7V to +5.5V
1
vs. INPUT CODE (50kΩ)
INPUT LOGIC VOLTAGE
256-Tap SOT-PoT,
DIGITAL INPUT VOLTAGE (V)
VOLTAGE DIVIDER INL
SUPPLY CURRENT vs.
64
INPUT CODE-DECIMAL
96
2
128 160 192 224 256
V
DD
= +3V
3
V
DD
= +5V
4
Pin Description
5
5