MAX5435 Maxim Integrated Products, MAX5435 Datasheet
MAX5435
Manufacturer Part Number
MAX5435
Description
32-Tap Nonvolatile I2C Linear Digital Potentiometers
Manufacturer
Maxim Integrated Products
Datasheet
1.MAX5435.pdf
(19 pages)
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The MAX5432–MAX5435 nonvolatile, linear-taper, digi-
tal potentiometers perform the function of a mechanical
potentiometer, but replace the mechanics with a simple
2-wire serial interface. Each device performs the same
function as a discrete potentiometer or a variable resis-
tor and has 32 tap points.
The MAX5432–MAX5435 feature an internal, nonvolatile,
electrically erasable programmable read-only memory
(EEPROM) that returns the wiper to its previously stored
position at power-up. The fast-mode I
serial interface allows communication at data rates up to
400kbps, minimizing board space and reducing inter-
connection complexity. Each device is available with
multiple factory-preset I
Information/Selector Guide).
Use the MAX5432–MAX5435 in applications requiring
digitally controlled resistors. Two resistance values are
available (50kΩ and 100kΩ) in a voltage-divider or vari-
able resistor configuration. The nominal resistor temper-
ature coefficient is 35ppm/°C end-to-end, and only
5ppm/°C ratiometric, making the devices ideal for
applications requiring a low-temperature-coefficient
variable resistor such as low-drift, programmable-gain
amplifier circuit configurations.
The MAX5432/MAX5433 are available in a 3mm x 3mm
8-pin TDFN package and the MAX5434/MAX5435 are
available in a 6-pin thin SOT23 package. The MAX5432–
MAX5435 are specified over the extended (-40°C to
+85°C) temperature range.
19-3511; Rev 3; 11/07
*EP = Exposed pad.
**A
+Denotes a lead-free package.
T = Tape and reel.
Note: All devices are specified over the -40°C to +85°C operating temperature range.
Ordering Information/Selector Guide continued at end of data sheet.
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
MAX5432LETA+
MAX5432META+
MAX5433LETA+
MAX5433META+
MAX5434LEZT+T
0
represents the logic state of input A0 of the device in the TDFN package.
Mechanical Potentiometer Replacement
Low-Drift Programmable-Gain Amplifiers
Volume Control
Liquid-Crystal Display (LCD) Screen Adjustment
PART
________________________________________________________________ Maxim Integrated Products
32-Tap, Nonvolatile, I
PIN-PACKAGE
8 TDFN-EP*
8 TDFN-EP*
8 TDFN-EP*
8 TDFN-EP*
6 Thin SOT23-6
2
General Description
C addresses (see the Ordering
Applications
2
C-compatible
TOP MARK
AABX
ANG
ANH
ANF
ANI
Ordering Information/Selector Guide
♦ Tiny 3mm x 3mm 8-Pin TDFN and 6-Pin Thin
♦ Power-On Recall of Wiper Position from
♦ 35ppm/°C End-to-End Resistance Temperature
♦ 5ppm/°C Ratiometric Temperature Coefficient
♦ 50kΩ/100kΩ Resistor Values
♦ Fast 400kbps I
♦ 500nA (typ) Static Supply Current
♦ +2.7V to +5.25V Single-Supply Operation
♦ 32 Tap Positions
♦ ±0.15 LSB INL (typ), ±0.15 LSB DNL (typ)
TOP VIEW
SOT23 Packages
Nonvolatile Memory
Coefficient
I
2
GND
SDA
SCL
010100A
010110A
010100A
010110A
C ADDRESS
H
0101000
+
1
2
4
3
0
0
0
0
2
**
**
**
**
MAX5432
MAX5433
TDFN
C, Linear, Digital
2
Potentiometers
C-Compatible Serial Interface
6
8
7
5
R (kΩ Ω Ω Ω )
Pin Configurations
100
100
W
L
A0
V
50
50
50
DD
GND
V
SCL
DD
www.DataSheet4U.com
1
2
3
+
SOT23
MAX5434
MAX5435
PKG CODE
Features
T833-1
T833-1
T833-1
T833-1
Z6-1
6
5
4
L
W
SDA
1
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