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MAX5435

Description
32-Tap, Nonvolatile, I2C, Linear, Digital Potentiometers
File Size319KB,19 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
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MAX5435 Overview

32-Tap, Nonvolatile, I2C, Linear, Digital Potentiometers

19-3511; Rev 3; 11/07
KIT
ATION
EVALU
BLE
AVAILA
32-Tap, Nonvolatile, I
2
C, Linear, Digital
Potentiometers
General Description
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
2
C-compatible
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
2
C addresses (see the
Ordering
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.
Features
Tiny 3mm x 3mm 8-Pin TDFN and 6-Pin Thin
SOT23 Packages
Power-On Recall of Wiper Position from
Nonvolatile Memory
35ppm/°C End-to-End Resistance Temperature
Coefficient
5ppm/°C Ratiometric Temperature Coefficient
50kΩ/100kΩ Resistor Values
Fast 400kbps I
2
C-Compatible Serial Interface
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)
MAX5432–MAX5435
Pin Configurations
TOP VIEW
+
H 1
SDA 2
GND 3
SCL 4
MAX5432
MAX5433
8 W
7 L
6 A0
5 V
DD
V
DD
1
GND 2
SCL 3
MAX5434
MAX5435
+
6
5
4
L
W
SDA
Applications
Mechanical Potentiometer Replacement
Low-Drift Programmable-Gain Amplifiers
Volume Control
Liquid-Crystal Display (LCD) Screen Adjustment
SOT23
TDFN
Ordering Information/Selector Guide
PART
MAX5432LETA+
MAX5432META+
MAX5433LETA+
MAX5433META+
MAX5434LEZT+T
PIN-PACKAGE
8 TDFN-EP*
8 TDFN-EP*
8 TDFN-EP*
8 TDFN-EP*
6 Thin SOT23-6
TOP MARK
ANG
ANI
ANF
ANH
AABX
I
2
C ADDRESS
010100A
0
**
010110A
0
**
010100A
0
**
010110A
0
**
0101000
R (kΩ)
50
50
100
100
50
PKG CODE
T833-1
T833-1
T833-1
T833-1
Z6-1
*EP
= Exposed pad.
**A
0
represents the logic state of input A0 of the device in the TDFN package.
+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.
________________________________________________________________
Maxim Integrated Products
1
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.

MAX5435 Related Products

MAX5435 MAX5432 MAX5432_07 MAX5432LETA+ MAX5433LETA+ MAX5433META+ MAX5434LEZT+T MAX5432META+
Description 32-Tap, Nonvolatile, I2C, Linear, Digital Potentiometers 32-Tap, Nonvolatile, I2C, Linear, Digital Potentiometers 32-Tap, Nonvolatile, I2C, Linear, Digital Potentiometers 32-Tap, Nonvolatile, I2C, Linear, Digital Potentiometers 32-Tap, Nonvolatile, I2C, Linear, Digital Potentiometers 32-Tap, Nonvolatile, I2C, Linear, Digital Potentiometers 32-Tap, Nonvolatile, I2C, Linear, Digital Potentiometers 32-Tap, Nonvolatile, I2C, Linear, Digital Potentiometers
Is it lead-free? - - - Lead free Lead free Lead free Lead free Lead free
Is it Rohs certified? - - - conform to conform to conform to conform to conform to
Parts packaging code - - - SON SON SON SOT-23 SON
package instruction - - - HVSON, SOLCC8,.12,25 HVSON, SOLCC8,.12,25 HVSON, SOLCC8,.12,25 TSSOP, TSOP6,.11,37 HVSON, SOLCC8,.12,25
Contacts - - - 8 8 8 6 8
Reach Compliance Code - - - compli compliant compli compliant compli
ECCN code - - - EAR99 EAR99 EAR99 EAR99 EAR99
Factory Lead Time - - - 12 weeks 6 weeks 12 weeks 6 weeks 1 week
Nominal bandwidth - - - 0.5 kHz 0.25 kHz 0.25 kHz 0.5 kHz 0.5 kHz
control interface - - - 2-WIRE SERIAL 2-WIRE SERIAL 2-WIRE SERIAL 2-WIRE SERIAL 2-WIRE SERIAL
Converter type - - - DIGITAL POTENTIOMETER DIGITAL POTENTIOMETER DIGITAL POTENTIOMETER DIGITAL POTENTIOMETER DIGITAL POTENTIOMETER
JESD-30 code - - - S-XDSO-N8 S-XDSO-N8 S-XDSO-N8 R-PDSO-G6 S-XDSO-N8
JESD-609 code - - - e3 e3 e3 e3 e3
length - - - 3 mm 3 mm 3 mm 2.9 mm 3 mm
Humidity sensitivity level - - - 1 1 1 1 1
Number of functions - - - 1 1 1 1 1
Number of positions - - - 32 32 32 32 32
Number of terminals - - - 8 8 8 6 8
Maximum operating temperature - - - 85 °C 85 °C 85 °C 85 °C 85 °C
Minimum operating temperature - - - -40 °C -40 °C -40 °C -40 °C -40 °C
Package body material - - - UNSPECIFIED UNSPECIFIED UNSPECIFIED PLASTIC/EPOXY UNSPECIFIED
encapsulated code - - - HVSON HVSON HVSON TSSOP HVSON
Encapsulate equivalent code - - - SOLCC8,.12,25 SOLCC8,.12,25 SOLCC8,.12,25 TSOP6,.11,37 SOLCC8,.12,25
Package shape - - - SQUARE SQUARE SQUARE RECTANGULAR SQUARE
Package form - - - SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE SMALL OUTLINE, THIN PROFILE, SHRINK PITCH SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius) - - - 260 260 260 260 260
power supply - - - 3/5 V 3/5 V 3/5 V 3/5 V 3/5 V
Certification status - - - Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified
resistance law - - - LINEAR LINEAR LINEAR LINEAR LINEAR
Maximum resistor terminal voltage - - - 5 V 5 V 5 V 5 V 5 V
Maximum seat height - - - 0.8 mm 0.8 mm 0.8 mm 1.1 mm 0.8 mm
Nominal supply voltage - - - 5 V 5 V 5 V 5 V 5 V
surface mount - - - YES YES YES YES YES
technology - - - BICMOS BICMOS BICMOS BICMOS BICMOS
Nominal temperature coefficient - - - 35 ppm/°C 35 ppm/°C 35 ppm/°C 35 ppm/°C 35 ppm/°C
Temperature level - - - INDUSTRIAL INDUSTRIAL INDUSTRIAL INDUSTRIAL INDUSTRIAL
Terminal surface - - - Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn)
Terminal form - - - NO LEAD NO LEAD NO LEAD GULL WING NO LEAD
Terminal pitch - - - 0.65 mm 0.65 mm 0.65 mm 0.95 mm 0.65 mm
Terminal location - - - DUAL DUAL DUAL DUAL DUAL
Maximum time at peak reflow temperature - - - NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED
Nominal total resistance - - - 50000 Ω 100000 Ω 100000 Ω 50000 Ω 50000 Ω
width - - - 3 mm 3 mm 3 mm 1.6 mm 3 mm
Base Number Matches - - - 1 1 1 1 1
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