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MCP4542-503E/MS - Microchip

Description: Digital Potentiometer 128 Step 50kOhm

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MCP4542-503E/MS - Microchip - PCB symbol
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PCB Footprints
MCP4542-503E/MS - Microchip PCB footprint - Small Outline Packages - Small Outline Packages - 8 Lead MS MSOP
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3D Models
MCP4542-503E/MS - Microchip - 3D model - Small Outline Packages - 8 Lead MS MSOP
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MCP4542-503E/MS Details

  • Manufacturer Part Number:

    MCP4542-503E/MS

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    MSOP

  • Package Description:

    PLASTIC, MSOP-8

  • Pin Count:

    8

  • Manufacturer Package Code:

    MSOP-8

  • Country Of Origin:

    Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Factory Lead Time:

    11 Weeks

  • Manufacturer:

    Microchip Technology Inc

  • YTEOL:

    9

  • Additional Feature:

    NON-VOLATILE MEMORY

  • Bandwidth-Nom:

    0.2 kHz

  • Control Interface:

    INCREMENT/DECREMENT

  • Converter Type:

    DIGITAL POTENTIOMETER

  • JESD-30 Code:

    S-PDSO-G8

  • JESD-609 Code:

    e3

  • Length:

    3 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,.19

  • Package Shape:

    SQUARE

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Resistance Law:

    LINEAR

  • Resistance Tolerance-Max:

    20%

  • Resistor Terminal Voltage-Max:

    5.5 V

  • Screening Level:

    TS 16949

  • Seated Height-Max:

    1.1 mm

  • Supply Current-Max:

    0.6 mA

  • Supply Voltage-Nom:

    2.7 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

  • Time@Peak Reflow Temperature-Max (s):

    40

  • Total Resistance-Nom:

    50000 Ω

  • Width:

    3 mm

MCP4542-503E/MS Frequently Asked Questions (FAQs)

  • Microchip recommends following a star-grounding scheme, keeping analog and digital grounds separate, and using a solid ground plane to minimize noise. Additionally, keep the device away from high-frequency sources and use shielded cables for analog signals.
  • To ensure accuracy and linearity, use a high-quality external reference voltage, keep the input voltage within the recommended range, and use a low-noise power supply. Additionally, consider using a voltage reference buffer and a low-pass filter to reduce noise and improve output stability.
  • The maximum output current of the MCP4542-503E/MS is 5 mA. To handle output current limiting, use an external buffer amplifier or an op-amp with a high output current capability. You can also use a current-limiting resistor in series with the output to prevent damage to the device.
  • The MCP4542-503E/MS has a standard SPI interface, which can be easily interfaced with most microcontrollers. Use a 3-wire SPI bus (SCK, SDI, and SDO) to communicate with the device. Ensure that the microcontroller's SPI clock frequency is within the recommended range (typically 1-5 MHz).
  • The POR threshold is typically around 1.5 V, and the BOR threshold is around 2.2 V. These thresholds ensure that the device resets properly during power-up and power-down sequences, and during brown-out conditions.

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MCP4542-503E/MS 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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MCP4542-503E/MS Alternates

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Part Image MCP4542T-503E/MS Microchip Technology Inc

Digital Potentiometer, 1 Func, 50000ohm, Increment/decrement Control Interface, 129 Positions, CMOS, PDSO8