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MCP4251-503E/P - Microchip

Description: MCP4251-503E/P, Digital Potentiometer 50kΩ 257-Position Linear 2-channel Serial-SPI 8-Pin PDIP

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MCP4251-503E/P - Microchip PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - 14-Lead Plastic Dual In-Line (P) – 300 mil Body [PDIP]
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MCP4251-503E/P - Microchip  - 3D model - Dual-In-Line Packages - 14-Lead Plastic Dual In-Line (P) – 300 mil Body [PDIP]
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MCP4251-503E/P Details

  • Manufacturer Part Number:

    MCP4251-503E/P

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    DIP

  • Package Description:

    0.300 INCH, PLASTIC, DIP-14

  • Pin Count:

    14

  • Manufacturer Package Code:

    PDIP-14

  • Country Of Origin:

    Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Factory Lead Time:

    8 Weeks

  • Manufacturer:

    Microchip Technology Inc

  • YTEOL:

    8

  • Bandwidth-Nom:

    0.2 kHz

  • Control Interface:

    INCREMENT/DECREMENT

  • Converter Type:

    DIGITAL POTENTIOMETER

  • JESD-30 Code:

    R-PDIP-T14

  • JESD-609 Code:

    e3

  • Length:

    19.05 mm

  • Number of Functions:

    1

  • Number of Positions:

    257

  • Number of Terminals:

    14

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP14,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Qualification Status:

    Not Qualified

  • Resistance Law:

    LINEAR

  • Resistance Tolerance-Max:

    20%

  • Resistor Terminal Voltage-Max:

    5 V

  • Seated Height-Max:

    5.334 mm

  • Supply Current-Max:

    1 mA

  • Supply Voltage-Nom:

    5 V

  • Surface Mount:

    NO

  • Technology:

    CMOS

  • Temperature Coefficient-Nom:

    150 ppm/°C

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Total Resistance-Nom:

    50000 Ω

  • Width:

    7.62 mm

MCP4251-503E/P Frequently Asked Questions (FAQs)

  • The recommended power-up sequence is to apply VDD first, followed by VSS, and then the logic inputs. This ensures proper device operation and prevents potential latch-up conditions.
  • To retain the wiper position during power-down, the CS pin should be held high and the SCK and SI pins should be held low. This ensures that the device remains in a static state and the wiper position is preserved.
  • The maximum frequency of the serial clock (SCK) input is 3.4 MHz. Exceeding this frequency may result in incorrect device operation or data corruption.
  • Yes, the MCP4251-503E/P can be used as a rheostat by connecting the RH pin to the RL pin and using the wiper (RW) as the output. However, this configuration may affect the device's linearity and resolution.
  • The ESD protection diodes on the MCP4251-503E/P are designed to protect the device from electrostatic discharge. During PCB design, ensure that the diodes are not forward-biased by keeping the voltage on the pins within the recommended operating range.

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MCP4251-503E/P 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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Part Image MCP4251-503I/P Microchip Technology Inc

Digital Potentiometer, 2 Func, 50000ohm, 3-wire Serial Control Interface, 257 Positions, CMOS, PDIP14