19-1956; Rev 2; 9/02
32-Tap FleaPoT™, 2-Wire Digital
Potentiometers
General Description
Features
The MAX5460–MAX5468 linear-taper digital potentiome-
ters perform the same function as a mechanical poten-
tiometer or a variable resistor. These devices consist of a
fixed resistor and a wiper contact with 32-tap points that
are digitally controlled through a 2-wire serial interface.
ꢀ Miniature SC70 and SOT23 Packages
ꢀ 0.3µA Ultra-Low Supply Current
ꢀ +2.7V to +5.5V Single-Supply Operation
ꢀ Glitchless Switching Between Resistor Taps
ꢀ Power-On Reset to Midscale
The MAX5462/MAX5465/MAX5468 are configured as
potentiometers. The rest of the devices in this family are
configured as variable resistors. See Pin Configurations
for part functionality.
ꢀ 2-Wire Up/Down Serial Interface
ꢀ 10kΩ, 50kΩ, and 100kΩ Resistance Values
Three resistance values are available: 10kΩ (MAX5466/
MAX5467/MAX5468), 50kΩ (MAX5463/MAX5464/
MAX5465), and 100kΩ (MAX5460/MAX5461/MAX5462).
The MAX5460–MAX5465 (100kΩ and 50kΩ) are avail-
able in space-saving 5-pin and 6-pin SC70 packages.
The MAX5466/MAX5467/MAX5468 (10kΩ) are available
in 5-pin and 6-pin SOT23 packages.
Applications
Ordering Information
TOP
MARK
LCD Screen Adjustment
Volume Control
TEMP
RANGE
PIN-
PACKAGE
PART
R (kΩ)
MAX5460EXK -40°C to +85°C 5 SC70
MAX5461EXT -40°C to +85°C 6 SC70
MAX5462EXT -40°C to +85°C 6 SC70
MAX5463EXK -40°C to +85°C 5 SC70
MAX5464EXT -40°C to +85°C 6 SC70
MAX5465EXT -40°C to +85°C 6 SC70
ACA
AAP
100
100
100
50
Mechanical Potentiometer Replacement
Gain Adjustment
AAQ
ACB
Line Impedance Matching
AAR
50
AAS
50
MAX5466EUK
-40°C to +85°C 5 SOT23
ADQQ
AARH
AARI
10
FleaPoT is a trademark of Maxim Integrated Products Inc.
MAX5467EUT -40°C to +85°C 6 SOT23
MAX5468EUT -40°C to +85°C 6 SOT23
10
Functional Diagram appears at end of data sheet.
10
Pin Configurations
TOP VIEW
V
1
2
3
5
4
H
V
1
2
3
6
5
4
H
V
DD
1
2
3
6
5
4
H
DD
DD
GND
U/D
GND
U/D
GND
U/D
L
W
CS
MAX5460
MAX5463
MAX5466
MAX5461
MAX5464
MAX5467
MAX5462
MAX5465
MAX5468
CS
CS
SOT23, SC70
SOT23, SC70
SOT23, SC70
________________________________________________________________ Maxim Integrated Products
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.