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MCP4251-103E/ST - Microchip

Description: MCP4251-103E/ST, Digital Potentiometer 10kΩ 256-Position 2-channel Serial-SPI 14-Pin TSSOP

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PCB Footprints
MCP4251-103E/ST - Microchip PCB footprint - Small Outline Packages - Small Outline Packages - (ST)14-Lead(TSSOP)
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MCP4251-103E/ST - Microchip  - 3D model - Small Outline Packages - (ST)14-Lead(TSSOP)
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MCP4251-103E/ST Details

  • Manufacturer Part Number:

    MCP4251-103E/ST

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TSSOP

  • Package Description:

    4.40 MM, PLASTIC, TSSOP-14

  • Pin Count:

    14

  • Manufacturer Package Code:

    TSSOP-14

  • Country Of Origin:

    Malaysia, Philippines, Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Factory Lead Time:

    7 Weeks

  • Manufacturer:

    Microchip Technology Inc

  • YTEOL:

    9

  • Bandwidth-Nom:

    1 kHz

  • Control Interface:

    INCREMENT/DECREMENT

  • Converter Type:

    DIGITAL POTENTIOMETER

  • JESD-30 Code:

    R-PDSO-G14

  • JESD-609 Code:

    e3

  • Length:

    5 mm

  • Moisture Sensitivity Level:

    1

  • 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:

    TSSOP

  • Package Equivalence Code:

    TSSOP14,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • 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:

    1.2 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:

    0.65 mm

  • Terminal Position:

    DUAL

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

    40

  • Total Resistance-Nom:

    10000 Ω

  • Width:

    4.4 mm

MCP4251-103E/ST Frequently Asked Questions (FAQs)

  • The recommended power-on sequence is to apply VDD before applying VSS. This ensures that the internal voltage regulator is properly initialized.
  • The MCP4251-103E/ST has a power-on reset (POR) circuit that initializes the digital potentiometer to its mid-scale position (128 taps) after power-up. However, it's recommended to send a 'reset' command (0x00) to the device after power-up to ensure that the digital potentiometer is properly initialized.
  • The maximum voltage that can be applied to the RH and RL pins is VDD + 0.3V. Exceeding this voltage may damage the device.
  • To prevent accidental changes to the digital potentiometer during power-up or power-down, it's recommended to tie the CS pin low during these transitions. This ensures that the device is in a 'sleep' mode and ignores any incoming SPI commands.
  • The maximum frequency of the SPI clock that can be used with the MCP4251-103E/ST is 10 MHz. Exceeding this frequency may result in unreliable operation or data corruption.

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MCP4251-103E/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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