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AT42QT1110-MUR - Microchip

Description: Capacitive Touch Sensors QTouch 11 Key Touch Sensor IC

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AT42QT1110-MUR - Microchip - PCB symbol
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PCB Footprints
AT42QT1110-MUR - Microchip PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - 32pi Qfn
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3D Models
AT42QT1110-MUR - Microchip - 3D model - Quad Flat No-Lead - 32pi Qfn
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AT42QT1110-MUR Details

  • Manufacturer Part Number:

    AT42QT1110-MUR

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    QFN-32

  • Pin Count:

    32

  • Manufacturer Package Code:

    VQFN-32

  • Country Of Origin:

    Mainland China

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.31.00.01

  • Factory Lead Time:

    7 Weeks

  • Manufacturer:

    Microchip Technology Inc

  • YTEOL:

    14

  • Body Breadth:

    5 mm

  • Body Height:

    0.84 mm

  • Body Length or Diameter:

    5 mm

  • JESD-609 Code:

    e3

  • Mounting Feature:

    SURFACE MOUNT

  • Number of Terminals:

    32

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output:

    OPEN-DRAIN

  • Output Range:

    0.70-4.0V

  • Output Type:

    DIGITAL VOLTAGE

  • Package Body Material:

    UNSPECIFIED

  • Package Equivalence Code:

    LCC32,.2SQ,20

  • Package Shape/Style:

    SQUARE

  • Sensors/Transducers Type:

    CAPACITIVE TOUCH SENSOR

  • Supply Voltage-Max:

    5.5 V

  • Supply Voltage-Min:

    3 V

  • Surface Mount:

    YES

  • Terminal Finish:

    Matte Tin (Sn)

AT42QT1110-MUR Frequently Asked Questions (FAQs)

  • A good PCB layout for the AT42QT1110-MUR involves keeping the sensor and the microcontroller close together, using a ground plane to reduce noise, and minimizing the length of the traces between the sensor and the microcontroller.
  • Calibration involves adjusting the sensor's sensitivity and offset to match the specific application. This can be done by taking multiple readings with the sensor in different states (e.g. touched and not touched) and adjusting the sensor's internal registers accordingly.
  • The maximum operating frequency of the AT42QT1110-MUR is 400 kHz, but it can be operated at lower frequencies to reduce power consumption and noise.
  • Noise and interference can be handled by using a low-pass filter, shielding the sensor and microcontroller, and using a ground plane on the PCB. Additionally, the AT42QT1110-MUR has built-in noise filtering and debouncing capabilities.
  • The AT42QT1110-MUR is rated for operation in temperatures ranging from -40°C to 85°C and can withstand humidity up to 85%. However, it may require additional protection and shielding in extremely harsh environments.

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AT42QT1110-MUR Overview

Use the download button to access the AT42QT1110-MUR schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like AT42Q, or try a keyword search, such as Other Sensors/Transducers

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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