MCP4231

The MCP41/423X devices are volatile, 7-bit (129 wiper steps) digital potentiometers with an SPI compatible interface. The MCP41/42XX family is available with end-to-end resistor values of 5KΩ, 10KΩ, 50kΩ and 100KΩ. These devices offer a variety of configurations simplifying design while minimizing cost, package size and pin count.

Features
  • 7-bit:128 Resistors with Taps to VSS and VDD
  • SPI compatible interace
  • Automatic Recall of Potentiometer Wiper Settings
  • Resistance Values: 5kΩ, 10kΩ, 50kΩ,100kΩ
  • Low Tempco: Absolute (Rheostat): <100 ppm (typ.) Ratiometric (Potentiometer): <10 ppm (typ.)
  • Absolute (Rheostat): <100 ppm (typ.)
  • Ratiometric (Potentiometer): <10 ppm (typ.)
  • Low Wiper Resistance: 100Ω (typ.)
  • Low-Power Operation: 1µA Max Static Current
  • Wide Operating Voltage: 1.8V to 5.5V
  • Extended Temperature Range: -40°C to +125°C
Parameter
Parameter Name Value Value
Temp. Range (°C) -40 to +125 -40 to +125
Volatile / Non Volatile Volatile Volatile
Number of Taps 129 129
Resistance (ohms) K 10,100,5,50 10,100,5,50
# per Package 2 2
INL (Max) 0.5 0.5
DNL (Max) 0.25 0.25
Interface SPI SPI
Documents
7/8-Bit Single/Dual SPI Digital POT with Volatile MemoryData Sheets12/10/20082528KB
AN1080 - Understanding Digital Potentiometers Resistor VariationsAppNote07/27/2009565KB
AN1316 - Using Digital Potentiometers for Programmable Amplifier GainAppNote04/14/2010441KB
AN219 - Comparing Digital Potentiometers to Mechanical PotentiometersAppNote11/20/2000133KB
AN691 - Optimizing the Digital Potentiometer in Precision CircuitsAppNote05/08/2001240KB
AN692 - Using a Digital Potentiometer to Optimize a Precision Single Supply Photo DetectAppNote02/23/2001253KB
AN737 - Using Digital Potentiometers to Design Low Pass Adjustable FiltersAppNote02/24/2004277KB
Implementing a 10-Bit Digi Pot Using a Quad 8-Bit Digi PotTech Briefs01/10/2013360KB
Analog Solutions for Automotive Applications Design GuideBrochures12/08/2009284KB
Automotive Recommended Product Selector GuideBrochures09/16/20147598KB
Signal Chain Design GuideBrochures11/10/20123229KB
Digital Potentiometer Design GuideDesign Guides01/03/2011706KB
MCP42XX PICtail Plus Daughter Board FirmwareFirmware Drivers09/30/2008551KB
Ordering Information
Part NumberLeadsPackage TypeTemp RangePacking1+26+100+1000+5000+
MCP4231-103E/ML16QFN-40C to +125CTUBE0.900.750.680.660.65
MCP4231-103E/P14PDIP-40C to +125CTUBE0.900.750.680.660.65
MCP4231-103E/SL14SOIC-40C to +125CTUBE0.900.750.680.660.65
MCP4231-103E/ST14TSSOP-40C to +125CTUBE0.900.750.680.660.65
MCP4231-104E/ML16QFN-40C to +125CTUBE0.900.750.680.660.65
MCP4231-104E/P14PDIP-40C to +125CTUBE0.900.750.680.660.65
MCP4231-104E/SL14SOIC-40C to +125CTUBE0.900.750.680.660.65
MCP4231-104E/ST14TSSOP-40C to +125CTUBE0.900.750.680.660.65
MCP4231-502E/ML16QFN-40C to +125CTUBE0.900.750.680.660.65
MCP4231-502E/P14PDIP-40C to +125CTUBE0.900.750.680.660.65
MCP4231-502E/SL14SOIC-40C to +125CTUBE0.900.750.680.660.65
MCP4231-502E/ST14TSSOP-40C to +125CTUBE0.900.750.680.660.65
MCP4231-503E/ML16QFN-40C to +125CTUBE0.900.750.680.660.65
MCP4231-503E/P14PDIP-40C to +125CTUBE0.900.750.680.660.65
MCP4231-503E/SL14SOIC-40C to +125CTUBE0.900.750.680.660.65
MCP4231-503E/ST14TSSOP-40C to +125CTUBE0.900.750.680.660.65
MCP4231T-103E/ML16QFN-40C to +125CT/R0.900.750.680.660.65
MCP4231T-103E/SL14SOIC-40C to +125CT/R0.900.750.680.660.65
MCP4231T-103E/ST14TSSOP-40C to +125CT/R0.900.750.680.660.65
MCP4231T-104E/ML16QFN-40C to +125CT/R0.900.750.680.660.65
MCP4231T-104E/SL14SOIC-40C to +125CT/R0.900.750.680.660.65
MCP4231T-104E/ST14TSSOP-40C to +125CT/R0.900.750.680.660.65
MCP4231T-502E/ML16QFN-40C to +125CT/R0.900.750.680.660.65
MCP4231T-502E/SL14SOIC-40C to +125CT/R0.900.750.680.660.65
MCP4231T-502E/ST14TSSOP-40C to +125CT/R0.900.750.680.660.65
MCP4231T-503E/ML16QFN-40C to +125CT/R0.900.750.680.660.65
MCP4231T-503E/SL14SOIC-40C to +125CT/R0.900.750.680.660.65
MCP4231T-503E/ST14TSSOP-40C to +125CT/R0.900.750.680.660.65
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RoHS Information
PartNumberDeviceWeightShippingWeightLeadCountPackageTypePackageWidthSolderCompositionJEDECIndicatorRoHSChinaEFUP
MCP4231-502E/P0.9533001.83333314PDIP.300inMatte Tine3
MCP4231-104E/P0.9533001.83333314PDIP.300inMatte Tine3
MCP4231-103E/P0.9533001.83333314PDIP.300inMatte Tine3
MCP4231-503E/P0.9533001.83333314PDIP.300inMatte Tine3
MCP4231-103E/ST0.0600000.12500014TSSOP4.4mmMatte Tine3
MCP4231T-503E/ST0.0600000.24680014TSSOP4.4mmMatte Tine3
MCP4231T-104E/ST0.0600000.24680014TSSOP4.4mmMatte Tine3
MCP4231T-103E/ST0.0600000.24680014TSSOP4.4mmMatte Tine3
MCP4231T-502E/ST0.0600000.24680014TSSOP4.4mmMatte Tine3
MCP4231-104E/ST0.0600000.12500014TSSOP4.4mmMatte Tine3
MCP4231-503E/ST0.0600000.12500014TSSOP4.4mmMatte Tine3
MCP4231-502E/ST0.0600000.12500014TSSOP4.4mmMatte Tine3
MCP4231-103E/SL0.1432000.28070214SOIC.150In(3.90mm)Matte Tine3
MCP4231-502E/SL0.1432000.28070214SOIC.150In(3.90mm)Matte Tine3
MCP4231T-104E/SL0.1432000.32500014SOIC.150In(3.90mm)Matte Tine3
MCP4231-503E/SL0.1432000.28070214SOIC.150In(3.90mm)Matte Tine3
MCP4231T-503E/SL0.1432000.32500014SOIC.150In(3.90mm)Matte Tine3
MCP4231T-502E/SL0.1432000.32500014SOIC.150In(3.90mm)Matte Tine3
MCP4231-104E/SL0.1432000.28070214SOIC.150In(3.90mm)Matte Tine3
MCP4231T-103E/SL0.1432000.32500014SOIC.150In(3.90mm)Matte Tine3
MCP4231-502E/ML0.0417000.07692316QFN4x4x0.9mmMatte Tine3
MCP4231-503E/ML0.0417000.07692316QFN4x4x0.9mmMatte Tine3
MCP4231T-103E/ML0.0417000.21212116QFN4x4x0.9mmMatte Tine3
MCP4231T-503E/ML0.0417000.21212116QFN4x4x0.9mmMatte Tine3
MCP4231T-502E/ML0.0417000.21212116QFN4x4x0.9mmMatte Tine3
MCP4231T-104E/ML0.0417000.21212116QFN4x4x0.9mmMatte Tine3
MCP4231-103E/ML0.0417000.07692316QFN4x4x0.9mmMatte Tine3
MCP4231-104E/ML0.0417000.07692316QFN4x4x0.9mmMatte Tine3
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