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MCP4431-104E/ST - Microchip

Description: Digital Potentiometer ICs 100k I2Cquad Ch Pot 7bit volatile memory

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PCB Footprints
MCP4431-104E/ST - Microchip PCB footprint - Small Outline Packages - Small Outline Packages - (ST)20-Lead(TSSOP)
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MCP4431-104E/ST - Microchip  - 3D model - Small Outline Packages - (ST)20-Lead(TSSOP)
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MCP4431-104E/ST Details

  • Manufacturer Part Number:

    MCP4431-104E/ST

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TSSOP

  • Pin Count:

    20

  • Manufacturer Package Code:

    TSSOP-20

  • Country Of Origin:

    Philippines, Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Factory Lead Time:

    7 Weeks

  • Manufacturer:

    Microchip Technology Inc

  • YTEOL:

    9

  • Additional Feature:

    THE RESISTOR ARRAY VALUES ARE 5000 OHM,10000 OHM, 50000 OHM

  • Bandwidth-Nom:

    2 kHz

  • Control Interface:

    2-WIRE SERIAL

  • Converter Type:

    DIGITAL POTENTIOMETER

  • JESD-30 Code:

    R-PDSO-G20

  • JESD-609 Code:

    e3

  • Length:

    6.5 mm

  • Number of Functions:

    4

  • Number of Positions:

    257

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Equivalence Code:

    TSSOP20,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Qualification Status:

    Not Qualified

  • Resistance Law:

    LINEAR

  • Resistance Tolerance-Max:

    20%

  • Resistor Terminal Voltage-Max:

    5.5 V

  • Screening Level:

    TS 16949

  • Seated Height-Max:

    1.2 mm

  • Supply Current-Max:

    0.6 mA

  • Supply Voltage-Nom:

    3 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Coefficient-Nom:

    150 ppm/°C

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

  • Total Resistance-Nom:

    100000 Ω

  • Width:

    4.4 mm

MCP4431-104E/ST Frequently Asked Questions (FAQs)

  • Microchip provides a recommended PCB layout in the MCP4431 datasheet, which includes guidelines for component placement, routing, and grounding. Additionally, it's recommended to use a solid ground plane, decouple the power supply, and use shielded cables for sensitive signals.
  • The MCP4431-104E/ST requires a stable power supply with a minimum of 3.3V and a maximum of 5.5V. It's recommended to use a low-ESR capacitor (e.g., 10uF) between VDD and VSS, and a 100nF capacitor between VDD and GND for decoupling. Additionally, ensure that the power supply is clean and free from noise.
  • The MCP4431-104E/ST has a maximum operating frequency of 50MHz, but it's recommended to operate it at a frequency below 20MHz to ensure reliable operation and minimize noise.
  • The MCP4431-104E/ST can be programmed using the SPI interface. Microchip provides a programming guide and software tools, such as the MPLAB X IDE, to help with programming and configuration.
  • The MCP4431-104E/ST has a maximum current rating of 10mA per pin, with a total current limit of 50mA for the entire device. Ensure that the current requirements of your design do not exceed these limits.

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MCP4431-104E/ST Overview

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About Microchip

Microchip Technology Inc. is a leading manufacturer of microcontrollers and semiconductor devices for a wide range of applications in the aerospace, automotive, consumer electronics, industrial, and medical industries. Alongside a comprehensive product portfolio, Microchip Technology Inc. also provides easy-to-use development tools that enable engineers to create optimal designs quickly with minimal iterations to reduce risk while lowering total system costs to market. Headquartered in Chandler, Arizona, th

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