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MCP4451-103E/ST - Microchip

Description: MCP4451-103E/ST, Digital Potentiometer 10kΩ 256-Position Linear 2-Channel Serial-SPI 20-Pin TSSOP

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MCP4451-103E/ST Details

  • Manufacturer Part Number:

    MCP4451-103E/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

MCP4451-103E/ST Frequently Asked Questions (FAQs)

  • Microchip recommends following a star-grounding scheme, using a solid ground plane, and keeping analog and digital signals separate to minimize noise. Additionally, use short and direct traces for the VDD and VSS pins, and avoid routing signals under the device.
  • The MCP4451-103E/ST requires a single 1.8V to 5.5V power supply. Ensure that the power supply is stable and well-regulated. Power sequencing is not critical, but it's recommended to power up the device after the power supply has stabilized.
  • The maximum capacitance that can be connected to the digital potentiometer terminals is 100nF. Exceeding this value may affect the device's performance and stability.
  • The MCP4451-103E/ST does not have built-in non-volatile memory. To implement a non-volatile memory solution, use an external EEPROM or flash memory device, and interface it with the MCP4451-103E/ST using a microcontroller or other external logic.
  • To daisy-chain multiple MCP4451-103E/ST devices, connect the SCL and SDA pins of each device in series, and use a single pull-up resistor for the entire chain. Ensure that the total capacitance of the chain does not exceed 400pF.

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MCP4451-103E/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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