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MCP4451T-103E/ST - Microchip

Description: Digital Potentiometer ICs 10k,I2C,quadchan 8b

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PCB Footprints
MCP4451T-103E/ST - Microchip PCB footprint - Small Outline Packages - Small Outline Packages - 20-Lead Plastic Thin Shrink Small Outline (ST) - 4.4mm body [TSSOP]
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3D Models
MCP4451T-103E/ST - Microchip  - 3D model - Small Outline Packages - 20-Lead Plastic Thin Shrink Small Outline (ST) - 4.4mm body [TSSOP]
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MCP4451T-103E/ST Details

  • Manufacturer Part Number:

    MCP4451T-103E/ST

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • 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

MCP4451T-103E/ST Frequently Asked Questions (FAQs)

  • The recommended power-up sequence is to apply VDD before applying a clock signal to the SCL pin. This ensures that the device is properly initialized.
  • To retain the wiper position during power-down, the CS pin should be held high and the SCL pin should be held low. This ensures that the device is in a low-power state and the wiper position is retained.
  • The maximum frequency of the I2C clock signal is 400 kHz. Exceeding this frequency may result in unreliable operation or device damage.
  • Yes, the MCP4451T-103E/ST can be used as a rheostat by connecting the RH and RL pins together and using the wiper as the output. However, this configuration may affect the device's linearity and accuracy.
  • The ESD protection diodes on the MCP4451T-103E/ST are designed to protect the device from electrostatic discharge. During PCB design, ensure that the diodes are not forward-biased by keeping the voltage on the I/O pins within the recommended operating range.

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MCP4451T-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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Part Image MCP4451-103E/ST Microchip Technology Inc

7/8 BIT QUAD I2C DIGITAL POTENTIOMETER