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MAX5429EUA-T

Description
Digital Potentiometer ICs One-Time Programmable, Linear-Taper Digital Potentiometers
CategoryAnalog mixed-signal IC    converter   
File Size202KB,10 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
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MAX5429EUA-T Overview

Digital Potentiometer ICs One-Time Programmable, Linear-Taper Digital Potentiometers

MAX5429EUA-T Parametric

Parameter NameAttribute value
Is it lead-free?Contains lead
Is it Rohs certified?incompatible
MakerMaxim
Parts packaging codeSOIC
package instructionMICRO, SOP-8
Contacts8
Reach Compliance Codenot_compliant
ECCN codeEAR99
control interfaceINCREMENT/DECREMENT
Converter typeDIGITAL POTENTIOMETER
JESD-30 codeS-PDSO-G8
JESD-609 codee0
length3 mm
Humidity sensitivity level1
Number of functions1
Number of positions32
Number of terminals8
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Package body materialPLASTIC/EPOXY
encapsulated codeTSSOP
Encapsulate equivalent codeTSSOP8,.19
Package shapeSQUARE
Package formSMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)245
power supply3/5 V
Certification statusNot Qualified
resistance lawLINEAR
Maximum resistor terminal voltage5 V
Minimum resistor terminal voltage
Maximum seat height1.1 mm
Nominal supply voltage5 V
surface mountYES
technologyBICMOS
Nominal temperature coefficient35 ppm/°C
Temperature levelINDUSTRIAL
Terminal surfaceTin/Lead (Sn85Pb15)
Terminal formGULL WING
Terminal pitch0.65 mm
Terminal locationDUAL
Maximum time at peak reflow temperatureNOT SPECIFIED
Nominal total resistance10000 Ω
width3 mm
19-2462; Rev 2; 3/05
KIT
ATION
EVALU
BLE
AVAILA
One-Time Programmable, Linear-Taper
Digital Potentiometers
General Description
Features
Wiper Position Stored After One-Time Fuse
Programming
User-Defined Power-On Reset Position
35ppm/°C End-to-End Temperature Coefficient
and 5ppm/°C Ratiometric Temperature Coefficient
32 Tap Positions
Tiny 8-Pin Thin QFN and µMAX Packages
Ultra-Low 1.5µA (max) Static Supply Current
2.7V to 5.5V Single-Supply Operation
Wiper Position Programmed Through Simple
2-Wire Serial Interface
10kΩ, 50kΩ, and 100kΩ End-to-End Resistances
MAX5427/MAX5428/MAX5429
The MAX5427/MAX5428/MAX5429 linear-taper digital
potentiometers function as mechanical potentiometers,
but replace the mechanics with a simple 2-wire digital
interface. These digital potentiometers are unique in that
they have an optional one-time programmable feature
that either sets the wiper’s power-on reset (POR) posi-
tion to a user-defined value, or the wiper can be set and
the interface disabled to prevent further adjustment.
The MAX5427 has an end-to-end resistance of 100kΩ,
the MAX5428 a resistance of 50kΩ, and the MAX5429 a
resistance of 10kΩ. All these devices have 32 wiper
positions, operate from a single 2.7V to 5.5V supply, and
use less than 1.5µA (max) static supply current.
The MAX5427/MAX5428/MAX5429 are available in
8-pin thin QFN and µMAX
®
packages. Each device is
guaranteed over the extended temperature range of
-40°C to +85°C.
Ordering Information
PART
MAX5427EUA
MAX5427ETA
MAX5428EUA
MAX5428ETA
MAX5429EUA
MAX5429ETA
TEMP RANGE
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
PIN-PACKAGE
8 µMAX
8 Thin QFN-EP*
8 µMAX
8 Thin QFN-EP*
8 µMAX
8 Thin QFN-EP*
R (kΩ)
100
100
50
50
10
10
Applications
Mechanical Potentiometer Replacement
Products Using One-Time Factory Calibration
Pin Configurations
TOP VIEW
W
CS
V
DD
GND
1
2
3
4
MAX5427
MAX5428
MAX5429
8
7
6
5
H
L
U/D
V
PP
*EP
= Exposed paddle.
Functional Block Diagram
H
8
V
DD
3
4
S
32
MAX5427
MAX5428
MAX5429
R
31
µMAX
GND
S
31
R
30
*
W
CS
V
DD
GND
1
2
3
4
MAX5427
MAX5428
MAX5429
*
8
7
6
5
H
CS
L
2
6
UP/DOWN
COUNTER
U/D
U/D
32-
POSITION
DECODER
R
2
S
30
S
3
R
W
1
W
V
PP
V
PP
5
ONE-TIME
PROGRAM
BLOCK
R
1
S
2
QFN
*EXPOSED PADDLE. CONNECTED TO GND.
S
1
7
L
µMax is a registered trademark of Maxim Integrated Products, Inc.
________________________________________________________________
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.

MAX5429EUA-T Related Products

MAX5429EUA-T MAX5428EUA MAX5429EUA MAX5428ETA-T MAX5429ETA-T
Description Digital Potentiometer ICs One-Time Programmable, Linear-Taper Digital Potentiometers Digital Potentiometer ICs 32-Tap, One-Time Programmable, Linear-Taper Digital Potentiometers Digital Potentiometer ICs One-Time Programmable, Linear-Taper Digital Potentiometers Digital Potentiometer ICs Digital Potentiometer ICs
Is it lead-free? Contains lead Contains lead Contains lead Contains lead Contains lead
Is it Rohs certified? incompatible incompatible incompatible incompatible incompatible
Maker Maxim Maxim Maxim Maxim Maxim
Parts packaging code SOIC SOIC SOIC QFN QFN
package instruction MICRO, SOP-8 MICRO, SOP-8 MICRO, SOP-8 3 X 3 MM, 0.80 MM HEIGHT, EXPOSED PAD, THIN, MO-220, QFN-8 3 X 3 MM, 0.80 MM HEIGHT, EXPOSED PAD, THIN, MO-220, QFN-8
Contacts 8 8 8 8 8
Reach Compliance Code not_compliant not_compliant not_compliant not_compliant not_compliant
ECCN code EAR99 EAR99 EAR99 EAR99 EAR99
control interface INCREMENT/DECREMENT INCREMENT/DECREMENT INCREMENT/DECREMENT INCREMENT/DECREMENT INCREMENT/DECREMENT
Converter type DIGITAL POTENTIOMETER DIGITAL POTENTIOMETER DIGITAL POTENTIOMETER DIGITAL POTENTIOMETER DIGITAL POTENTIOMETER
JESD-30 code S-PDSO-G8 S-PDSO-G8 S-PDSO-G8 S-XDSO-N8 S-XDSO-N8
JESD-609 code e0 e0 e0 e0 e0
length 3 mm 3 mm 3 mm 3 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 8 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 PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY UNSPECIFIED UNSPECIFIED
encapsulated code TSSOP TSSOP TSSOP HVSON HVSON
Encapsulate equivalent code TSSOP8,.19 TSSOP8,.19 TSSOP8,.19 SOLCC8,.12,25 SOLCC8,.12,25
Package shape SQUARE SQUARE SQUARE SQUARE SQUARE
Package form SMALL OUTLINE, THIN PROFILE, SHRINK PITCH SMALL OUTLINE, THIN PROFILE, SHRINK PITCH SMALL OUTLINE, THIN PROFILE, SHRINK PITCH SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius) 245 245 245 245 245
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 1.1 mm 1.1 mm 1.1 mm 0.8 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 Tin/Lead (Sn85Pb15) Tin/Lead (Sn85Pb15) Tin/Lead (Sn85Pb15) Tin/Lead (Sn85Pb15) Tin/Lead (Sn85Pb15)
Terminal form GULL WING GULL WING GULL WING NO LEAD NO LEAD
Terminal pitch 0.65 mm 0.65 mm 0.65 mm 0.65 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 10000 Ω 50000 Ω 10000 Ω 50000 Ω 10000 Ω
width 3 mm 3 mm 3 mm 3 mm 3 mm
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