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MCP4251-104E/ML - Microchip

Description: Digital Potentiometer ICs Dual 8B V SPI POT

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MCP4251-104E/ML - Microchip PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - (ML)16-Lead(QFN)
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MCP4251-104E/ML - Microchip  - 3D model - Quad Flat No-Lead - (ML)16-Lead(QFN)
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MCP4251-104E/ML Details

  • Manufacturer Part Number:

    MCP4251-104E/ML

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    QFN

  • Package Description:

    4 X 4 MM, 0.90 MM HEIGHT, PLASTIC, QFN-16

  • Pin Count:

    16

  • Manufacturer Package Code:

    VQFN-16

  • Country Of Origin:

    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:

    S-PQCC-N16

  • JESD-609 Code:

    e3

  • Length:

    4 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Positions:

    257

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC16,.16SQ,25

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • 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 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:

    NO LEAD

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    QUAD

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

    40

  • Total Resistance-Nom:

    100000 Ω

  • Width:

    4 mm

MCP4251-104E/ML 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 digital potentiometer is initialized to its mid-scale position (128 taps) after power-on. To ensure proper initialization, the CS pin should be held high during power-on, and then brought low to start the SPI communication.
  • The maximum frequency of the SPI clock is 10 MHz. However, it's recommended to use a clock frequency of 5 MHz or less to ensure reliable communication.
  • Yes, the MCP4251-104E/ML has built-in noise filtering and protection circuits. However, it's still recommended to use proper PCB layout and shielding techniques to minimize noise coupling.
  • To prevent accidental changes, the CS pin should be held high during power-on and power-off. This ensures that the SPI interface is disabled and the digital potentiometer is not accidentally changed.

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MCP4251-104E/ML 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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