MCP4331

The MCP433X devices are quad-channel, volatile, 7-bit (129 wiper steps) digital potentiometers with an SPI compatible interface. The MCP433X 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
  • Quad Resistor Network
  • Potentiometer or Rheostat Configuration Options
  • Resistor Network Resolution: 7-bit: 128 Resistors (129 Taps)
  • 7-bit: 128 Resistors (129 Taps)
  • RAB Resistances Options of: 5kΩ 10kΩ 50kΩ 100kΩ
  • 5kΩ
  • 10kΩ
  • 50kΩ
  • 100kΩ
  • Zero Scale to Full Scale Wiper Operation
  • Low Wiper Resistance: 75 Ω (typical)
  • Low Tempco: Absolute (Rheostat): 50 ppm typical (0°C to 70°C) Ratiometric (Potentiometer): 15 ppm typical
  • Absolute (Rheostat): 50 ppm typical (0°C to 70°C)
  • Ratiometric (Potentiometer): 15 ppm typical
  • SPI Serial Interface (10 MHz, Modes 0,0 and 1,1): High-Speed Read/Writes to wiper registers
  • High-Speed Read/Writes to wiper registers
  • Resistor Network Terminal Disconnect Feature via Terminal Control (TCON) Register
  • Reset Input Pin
  • Brown-out Reset Protection (1.5V typical)
  • Serial Interface Inactive Current (2.5 µA typical)
  • High-Voltage Tolerant Digital Inputs: Up to 12.5V
  • Supports Split Rail Applications
  • Wide Operating Voltage: 2.7V to 5.5V – Device Characteristics Specified 1.8V to 5.5V – Device Operation
  • 2.7V to 5.5V – Device Characteristics Specified
  • 1.8V to 5.5V – Device Operation
  • Wide Bandwidth (-3 dB) Operation: 2 MHz (typical) for 5.0 kΩ device
  • 2 MHz (typical) for 5.0 kΩ device
  • Extended Temperature Range (-40°C to +125°C)
  • AEC-Q100 Grade 1 quarlified
Parameter
Parameter Name Value Value
Temp. Range (°C) -40 to +125 -40 to +125
Volatile / Non Volatile Volatile Volatile
Number of Taps 128 128
Resistance (ohms) K 5, 10, 50, 100 5, 10, 50, 100
# per Package 4 4
INL (Max) 1 1
DNL (Max) 0.5 0.5
Interface 2 SPI 2 SPI
Documents
MCP433X/435X 7/8-Bit Quad SPI Digital POT with Volatile Memory Data SheetData Sheets03/22/20105263KB
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
Digital Potentiometer Design GuideDesign Guides01/03/2011706KB
Ordering Information
Part NumberLeadsPackage TypeTemp RangePacking1+26+100+1000+5000+
MCP4331-103E/ML20QFN-40C to +125CTUBE1.351.131.020.990.98
MCP4331-103E/ST20TSSOP-40C to +125CTUBE1.351.131.020.990.98
MCP4331-104E/ML20QFN-40C to +125CTUBE1.351.131.020.990.98
MCP4331-104E/ST20TSSOP-40C to +125CTUBE1.351.131.020.990.98
MCP4331-502E/ML20QFN-40C to +125CTUBE1.351.131.020.990.98
MCP4331-502E/ST20TSSOP-40C to +125CTUBE1.351.131.020.990.98
MCP4331-503E/ML20QFN-40C to +125CTUBE1.351.131.020.990.98
MCP4331-503E/ST20TSSOP-40C to +125CTUBE1.351.131.020.990.98
MCP4331T-103E/ML20QFN-40C to +125CT/R1.351.131.020.990.98
MCP4331T-103E/ST20TSSOP-40C to +125CT/R1.351.131.020.990.98
MCP4331T-104E/ML20QFN-40C to +125CT/R1.351.131.020.990.98
MCP4331T-104E/ST20TSSOP-40C to +125CT/R1.351.131.020.990.98
MCP4331T-502E/ML20QFN-40C to +125CT/R1.351.131.020.990.98
MCP4331T-502E/ST20TSSOP-40C to +125CT/R1.351.131.020.990.98
MCP4331T-503E/ML20QFN-40C to +125CT/R1.351.131.020.990.98
MCP4331T-503E/ST20TSSOP-40C to +125CT/R1.351.131.020.990.98
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RoHS Information
PartNumberDeviceWeightShippingWeightLeadCountPackageTypePackageWidthSolderCompositionJEDECIndicatorRoHSChinaEFUP
MCP4331-502E/P1.5129002.50000020PDIP.300inMatte Tine3
MCP4331-503E/P1.5129002.50000020PDIP.300inMatte Tine3
MCP4331-103E/P1.5129002.50000020PDIP.300inMatte Tine3
MCP4331-104E/P1.5129002.50000020PDIP.300inMatte Tine3
MCP4331-103E/ST0.0737000.17567620TSSOP4.4mmMatte Tine3
MCP4331T-502E/ST0.0737000.20000020TSSOP4.4mmMatte Tine3
MCP4331-502E/ST0.0737000.17567620TSSOP4.4mmMatte Tine3
MCP4331T-104E/ST0.0737000.20000020TSSOP4.4mmMatte Tine3
MCP4331T-503E/ST0.0737000.20000020TSSOP4.4mmMatte Tine3
MCP4331-104E/ST0.0737000.17567620TSSOP4.4mmMatte Tine3
MCP4331-503E/ST0.0737000.17567620TSSOP4.4mmMatte Tine3
MCP4331T-103E/ST0.0737000.20000020TSSOP4.4mmMatte Tine3
MCP4331T-104E/ML0.0431000.21212120QFN4x4x0.9mmMatte Tine3
MCP4331-104E/ML0.0431000.07692320QFN4x4x0.9mmMatte Tine3
MCP4331T-503E/ML0.0431000.21212120QFN4x4x0.9mmMatte Tine3
MCP4331-503E/ML0.0431000.07692320QFN4x4x0.9mmMatte Tine3
MCP4331-502E/ML0.0431000.07692320QFN4x4x0.9mmMatte Tine3
MCP4331T-502E/ML0.0431000.21212120QFN4x4x0.9mmMatte Tine3
MCP4331-103E/ML0.0431000.07692320QFN4x4x0.9mmMatte Tine3
MCP4331T-103E/ML0.0431000.21212120QFN4x4x0.9mmMatte Tine3
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