MAX5402 Maxim, MAX5402 Datasheet - Page 5

• Manufacturer Part Number: MAX5402
• Description: 256-Tap / PoT / Low-Drift / Digital Potentiometer
• Manufacturer: Maxim

(T A = +25°C, unless otherwise noted.)
PIN
1
2
3
4
5
6
7
8
-0.05
-0.10
-0.15
-0.20
0.20
0.15
0.10
0.05
0.00
V
W-L
CS
0
________________________________________________________________________________________
NAME
VOLTAGE-DIVIDER INL vs. INPUT CODE
SCLK
GND
V
TAP-TO-TAP SWITCHING TRANSIENT
DIN
CS
W
H
L
DD
32
64
INPUT CODE (DECIMAL)
(CODE 127 TO 128)
Low Terminal of Resistor
Ground
Chip Select Input
Serial Data Input
Serial Clock Input
Power Supply. Bypass with a 0.1µF capacitor to GND.
Wiper Terminal
High Terminal of Resistor
96
200ns/div
128 160 192 224 256
MAX5402 toc09
Typical Operating Characteristics (continued)
+2.51V
+2.49V
+5V
0
256-Tap, µPoT, Low-Drift,
Digital Potentiometer
0.0001
FUNCTION
0.001
0.01
0.1
10
1.2
1.0
0.8
0.6
0.4
0.2
0.0
1
-40 -30 -20 -10 0 10 20 30 40 50 60 70 80
0
SUPPLY CURRENT vs. TEMPERATURE
1
INPUT LOGIC VOLTAGE
DIGITAL INPUT VOLTAGE (V)
TEMPERATURE (°C)
2
V
DD
= +3V
V
V
3
DD
DD
Pin Description
= +5V
= +3V
V
DD
4
= +5V
5
5