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MCP4451-503E/ML - Microchip

Description: Digital Potentiometer ICs 50k I2Cquad Ch Pot 8bit volatile memory

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PCB Footprints
MCP4451-503E/ML - Microchip PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - (ML) 20-Lead QFN
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3D Models
MCP4451-503E/ML - Microchip  - 3D model - Quad Flat No-Lead - (ML) 20-Lead QFN
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MCP4451-503E/ML Details

  • Manufacturer Part Number:

    MCP4451-503E/ML

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    QFN

  • Pin Count:

    20

  • Manufacturer Package Code:

    QFN-20

  • Country Of Origin:

    Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • 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

MCP4451-503E/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 ensure monotonicity, it is recommended to use a clock frequency of at least 10 kHz and to avoid making multiple writes to the wiper register without reading back the value. Additionally, the user should ensure that the wiper position is not changed too quickly, as this can cause non-monotonic behavior.
  • The maximum voltage that can be applied to the RH and RL pins is VDD + 0.3V. Exceeding this voltage can cause damage to the device.
  • When the wiper is at the extreme ends of the resistor array, the resistance value may not be exactly at the specified value due to internal resistance and other factors. To handle this, the user can implement a calibration routine to adjust the wiper position to achieve the desired resistance value.
  • The recommended layout and routing for the MCP4451-503E/ML involves keeping the analog and digital signals separate, using a solid ground plane, and minimizing the length of the traces connected to the RH and RL pins. Additionally, the user should avoid running digital signals under the device and ensure that the device is decoupled from the power supply.

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

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