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MCP2122-E/P - Microchip

Description: Microchip MCP2122-E/P Data Acquisition Circuit, 8-Pin PDIP

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MCP2122-E/P - Microchip - PCB symbol
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PCB Footprints
MCP2122-E/P - Microchip PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - PDIP-1
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MCP2122-E/P - Microchip - 3D model - Dual-In-Line Packages - PDIP-1
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MCP2122-E/P Details

  • Manufacturer Part Number:

    MCP2122-E/P

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    DIP

  • Package Description:

    DIP-8

  • Pin Count:

    8

  • Manufacturer Package Code:

    PDIP-8

  • Country Of Origin:

    Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Factory Lead Time:

    8 Weeks

  • Manufacturer:

    Microchip Technology Inc

  • YTEOL:

    8

  • JESD-30 Code:

    R-PDIP-T8

  • JESD-609 Code:

    e3

  • Length:

    9.271 mm

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP8,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    5.334 mm

  • Supply Current-Max:

    0.001 mA

  • Supply Voltage-Nom:

    5 V

  • Surface Mount:

    NO

  • Technology:

    CMOS

  • Telecom IC Type:

    TELECOM CIRCUIT

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Width:

    7.62 mm

MCP2122-E/P Frequently Asked Questions (FAQs)

  • The maximum cable length supported by the MCP2122-E/P is approximately 100 meters (328 feet) at a data rate of 9600 bps, and decreases as the data rate increases. However, this can vary depending on the specific application and cable characteristics.
  • Yes, the MCP2122-E/P can be used in a multi-master configuration, but it requires additional external circuitry to handle the bus arbitration and collision detection. The datasheet provides some guidance on how to implement this, but it's not a straightforward process.
  • To implement a reliable reset mechanism for the MCP2122-E/P, you should use a dedicated reset pin (such as the /RESET pin) and ensure that it is properly debounced and filtered to prevent false resets. You should also consider using a power-on reset (POR) circuit to ensure that the device is properly reset during power-up.
  • The recommended layout and routing for the MCP2122-E/P involves keeping the CANH and CANL traces as short and symmetrical as possible, and using a twisted pair cable to connect to the CAN bus. You should also avoid running the CAN bus traces near noise sources or high-current paths, and use a common-mode choke to filter out electromagnetic interference (EMI).
  • To troubleshoot CAN bus communication issues with the MCP2122-E/P, you should start by checking the physical connection and wiring of the CAN bus, and verifying that the device is properly configured and initialized. You can use a CAN bus analyzer tool to monitor the bus traffic and identify any errors or issues. You should also check the device's error counters and status registers to determine the source of the problem.

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MCP2122-E/P Overview

Use the download button to access the MCP2122-E/P schematic symbol, PCB footprint, and 3D model.
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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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