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MCP3911A0-E/SS - Microchip

Description: MCP3911A0-E/SS, Analogue Front End IC, 2-channel 24 bit, 125ksps Serial-SPI, 20-Pin SSOP

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MCP3911A0-E/SS - Microchip - PCB symbol
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PCB Footprints
MCP3911A0-E/SS - Microchip PCB footprint - Small Outline Packages - Small Outline Packages - 20-Lead Plastic Shrink Small Outline (SS) - 5.30 mm Body [SSOP]
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MCP3911A0-E/SS - Microchip - 3D model - Small Outline Packages - 20-Lead Plastic Shrink Small Outline (SS) - 5.30 mm Body [SSOP]
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MCP3911A0-E/SS Details

  • Manufacturer Part Number:

    MCP3911A0-E/SS

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Pin Count:

    20

  • Manufacturer Package Code:

    SSOP-20

  • Country Of Origin:

    Philippines, Thailand

  • HTS Code:

    8542.39.00.01

  • Factory Lead Time:

    6 Weeks

  • Manufacturer:

    Microchip Technology Inc

  • YTEOL:

    14

  • Analog IC - Other Type:

    ANALOG CIRCUIT

  • JESD-30 Code:

    R-PDSO-G20

  • JESD-609 Code:

    e3

  • Length:

    7.2 mm

  • Moisture Sensitivity Level:

    2

  • Number of Channels:

    2

  • Number of Functions:

    1

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SSOP

  • Package Equivalence Code:

    SSOP20,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    2 mm

  • Supply Voltage-Max (Vsup):

    3.6 V

  • Supply Voltage-Min (Vsup):

    2.7 V

  • Supply Voltage-Nom (Vsup):

    3.3 V

  • Surface Mount:

    YES

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    QUAD

  • Time@Peak Reflow Temperature-Max (s):

    40

  • Width:

    5.3 mm

MCP3911A0-E/SS Frequently Asked Questions (FAQs)

  • It is recommended to separate the analog and digital sections of the PCB with a ground plane in between. The analog section should be placed near the ADC inputs, and the digital section should be placed near the microcontroller. Use short, direct traces for the analog signals, and avoid crossing digital signals over the analog section.
  • To optimize the performance of the ADC, ensure that the input signals are within the recommended range, and use the correct gain setting. Also, consider using a low-pass filter to remove high-frequency noise, and ensure that the PCB layout is optimized for analog signal integrity.
  • The recommended power-up sequence is to first apply the analog power supply (AVDD), followed by the digital power supply (DVDD), and then the clock signal. This ensures that the ADC is properly initialized and ready for operation.
  • If the ADC is not converting data correctly, check the input signals to ensure they are within the recommended range, and verify that the gain setting is correct. Also, check the clock signal frequency and ensure it is within the recommended range. If the issue persists, try resetting the ADC or checking for any firmware or software issues.
  • The recommended method is to use the ADC's internal clock signal, but if an external clock signal is required, use the ADC's clock input pin (CLKIN) and ensure that the clock signal is within the recommended frequency range (1-4 MHz).

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MCP3911A0-E/SS 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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