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MCP4451-503E/ST - Microchip

Description: Digital Potentiometer ICs

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MCP4451-503E/ST - Microchip - PCB symbol
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MCP4451-503E/ST - Microchip PCB footprint - Small Outline Packages - Small Outline Packages - (ST)20-Lead(TSSOP)
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MCP4451-503E/ST - Microchip - 3D model - Small Outline Packages - (ST)20-Lead(TSSOP)
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MCP4451-503E/ST Details

  • Manufacturer Part Number:

    MCP4451-503E/ST

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TSSOP

  • Pin Count:

    20

  • Manufacturer Package Code:

    TSSOP-20

  • Country Of Origin:

    Philippines, Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Factory Lead Time:

    7 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:

    R-PDSO-G20

  • JESD-609 Code:

    e3

  • Length:

    6.5 mm

  • 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:

    TSSOP

  • Package Equivalence Code:

    TSSOP20,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • 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:

    1.2 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:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

  • Total Resistance-Nom:

    100000 Ω

  • Width:

    4.4 mm

MCP4451-503E/ST Frequently Asked Questions (FAQs)

  • Microchip recommends following a star-grounding scheme, using a solid ground plane, and keeping analog and digital traces separate to minimize noise. Additionally, it's essential to follow the recommended PCB layout guidelines provided in the datasheet.
  • Use a high-quality, low-ESR capacitor (e.g., 10uF ceramic) as close as possible to the VDD pin, and add a 100nF capacitor in parallel to filter high-frequency noise. Ensure the power supply is stable and within the recommended operating range.
  • The maximum output current of the MCP4451-503E/ST is 3mA. To handle output current limiting, use an external resistor (e.g., 1kΩ) in series with the output pin to limit the current to the desired value.
  • Use a high-precision voltage reference (e.g., MCP1501) connected to the VREF pin. When using an external reference, ensure it is stable and within the recommended operating range. This can improve overall system accuracy and reduce noise.
  • The MCP4451-503E/ST has a maximum junction temperature of 150°C. Ensure good airflow, use a heat sink if necessary, and follow thermal design guidelines to prevent overheating. Monitor the device's temperature and adjust the system design accordingly.

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

Digital Potentiometer, 4 Func, 100000ohm, 2-wire Serial Control Interface, 257 Positions, CMOS, PDSO20