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MCP4451T-503E/ML - Microchip

Description: Digital Potentiometer 50kOhm 256POS Volatile Linear Automotive 20-Pin QFN EP T/R

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PCB Footprints
MCP4451T-503E/ML - Microchip PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - 20-Lead (ML) - 4x4x0.9 mm Body [QFN]
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3D Models
MCP4451T-503E/ML - Microchip  - 3D model - Quad Flat No-Lead - 20-Lead (ML) - 4x4x0.9 mm Body [QFN]
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MCP4451T-503E/ML Details

  • Manufacturer Part Number:

    MCP4451T-503E/ML

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Pin Count:

    20

  • Manufacturer Package Code:

    QFN-20

  • Country Of Origin:

    Thailand

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    6 Weeks

  • Manufacturer:

    Microchip Technology Inc

  • YTEOL:

    9

  • Additional Feature:

    THE RESISTOR ARRAY VALUES ARE 5000 OHM,10000 OHM, 50000 OHM

  • Bandwidth-Nom:

    2 kHz

  • Control Interface:

    2-WIRE SERIAL

  • Converter Type:

    DIGITAL POTENTIOMETER

  • JESD-30 Code:

    S-PQCC-N20

  • JESD-609 Code:

    e3

  • Length:

    4 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    4

  • Number of Positions:

    257

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC20,.16SQ,20

  • 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:

    5.5 V

  • Screening Level:

    TS 16949

  • Seated Height-Max:

    1 mm

  • Supply Current-Max:

    0.6 mA

  • Supply Voltage-Nom:

    3 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:

    0.5 mm

  • Terminal Position:

    QUAD

  • Total Resistance-Nom:

    100000 Ω

  • Width:

    4 mm

MCP4451T-503E/ML 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 SPI clock (SCK) that can be used with the MCP4451T-503E/ML is 10 MHz. Exceeding this frequency may result in incorrect device operation or data corruption.
  • Yes, the MCP4451T-503E/ML can be used as a rheostat by connecting the wiper terminal to one of the end terminals (A or B). However, this configuration may affect the device's linearity and accuracy.
  • The ESD protection diodes in the MCP4451T-503E/ML are designed to protect the device from electrostatic discharge. To ensure proper operation, it is recommended to use a series resistor and a TVS diode on the input lines to prevent overvoltage and ESD events.

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MCP4451T-503E/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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Part Image MCP4451-503E/ML Microchip Technology Inc

Digital Potentiometer, 4 Func, 100000ohm, 2-wire Serial Control Interface, 257 Positions, CMOS, PQCC20