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MCP4161-104E/SN - Microchip

Description: Digital Potentiometer 256 Step 100kOhm

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MCP4161-104E/SN Details

  • Manufacturer Part Number:

    MCP4161-104E/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

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Factory Lead Time:

    7 Weeks

  • Manufacturer:

    Microchip Technology Inc

  • YTEOL:

    9

  • Bandwidth-Nom:

    0.1 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:

    100000 Ω

  • Width:

    3.9 mm

MCP4161-104E/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 to 100nF) 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 MCP4161-104E/SN is 400 kHz. Exceeding this frequency may result in unreliable operation or device malfunction.
  • If the wiper position is not changing despite sending the correct I2C commands, it is recommended to check the I2C bus for any bus contention or noise issues. Also, ensure that the device is properly powered and that the I2C clock signal is within the recommended frequency range. If the issue persists, try resetting the device by toggling the VDD pin or using the device's built-in reset feature.
  • The MCP4161-104E/SN is rated for operation up to 125°C. However, it is recommended to derate the device's performance and consider the thermal management of the system to ensure reliable operation in high-temperature environments.

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MCP4161-104E/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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