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MCP4161-502E/SN - Microchip

Description: Digital Potentiometer 256 Step 5kOhm

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MCP4161-502E/SN Details

  • Manufacturer Part Number:

    MCP4161-502E/SN

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Package Description:

    3.90 MM, PLASTIC, SOIC-8

  • Pin Count:

    8

  • Manufacturer Package Code:

    SOIC-8

  • Country Of Origin:

    Mainland China, Thailand

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    6 Weeks

  • Manufacturer:

    Microchip Technology Inc

  • YTEOL:

    9

  • Bandwidth-Nom:

    2 kHz

  • Control Interface:

    INCREMENT/DECREMENT

  • Converter Type:

    DIGITAL POTENTIOMETER

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e3

  • Length:

    4.9 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Positions:

    129

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP8,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Resistance Law:

    LINEAR

  • Resistance Tolerance-Max:

    20%

  • Resistor Terminal Voltage-Max:

    5 V

  • Seated Height-Max:

    1.75 mm

  • Supply Current-Max:

    1 mA

  • Supply Voltage-Nom:

    5 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:

    1.27 mm

  • Terminal Position:

    DUAL

  • Total Resistance-Nom:

    5000 Ω

  • Width:

    3.9 mm

MCP4161-502E/SN Frequently Asked Questions (FAQs)

  • The recommended power-up sequence is to apply VDD before applying a clock signal to the SCL pin. This ensures that the device is properly initialized and prevents any unexpected behavior.
  • To retain the wiper position during power-down and power-up cycles, it is recommended to use an external capacitor (typically 10nF) connected between the VDD and VSS pins. This capacitor helps to maintain the internal state of the device during power-down and ensures that the wiper position is retained.
  • The maximum frequency of the I2C clock signal that can be used with the MCP4161-502E/SN is 400 kHz. Exceeding this frequency may result in unreliable operation or device malfunction.
  • If the device is not responding to I2C commands, try resetting the device by pulling the SCL pin low for at least 10 ms. This should reset the device and allow it to respond to I2C commands again.
  • To minimize noise and ensure reliable operation, it is recommended to follow good PCB layout and routing practices, such as keeping the analog and digital signals separate, using a solid ground plane, and minimizing the length of the I2C bus lines.

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MCP4161-502E/SN 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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