Owner's manual

MAX5487/MAX5488/MAX5489
Dual, 256-Tap, Nonvolatile, SPI-Interface,
Linear-Taper Digital Potentiometers
_______________________________________________________________________________________ 5
SUPPLY CURRENT vs. TEMPERATURE
MAX5487-89 toc01
TEMPERATURE (°C)
SUPPLY CURRENT (µA)
603510-15
0.2
0.4
0.6
0.8
1.0
1.2
0
-40 85
V
CC
= 5V
V
CC
= 3V
SUPPLY CURRENT
vs. DIGITAL INPUT VOLTAGE
MAX5487-89 toc02
DIGITAL INPUT VOLTAGE (V)
SUPPLY CURRENT (µA)
4321
1
10
100
1000
10,000
0
05
V
CC
= 5V
V
CC
= 3V
0
100
200
300
400
0 64 128 19232 96 160 224 256
WIPER RESISTANCE
vs. TAP POSITION (MAX5488)
MAX5487-89toc03
TAP POSITION
WIPER RESISTANCE (Ω)
TAP-TO-TAP SWITCHING TRANSIENT
(MAX5488)
MAX5487-89 toc04
1.0µs/div
WIPER
20mV/div
V
H_
= 5.0V
CS
2.0V/div
TAP-TO-TAP SWITCHING TRANSIENT
(MAX5489)
MAX5487-89 toc05
1.0µs/div
WIPER
20mV/div
V
H_
= 5.0V
CS
2.0V/div
WIPER TRANSIENT AT POWER-ON
MAX5487-89 toc06
2.0µs/div
WIPER
2.0V/div
V
H_
= V
DD
V
DD
2.0V/div
Typical Operating Characteristics
(V
DD
= +5.0V, T
A
= +25°C, unless otherwise noted.)