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AT42QT1244-AU - Microchip

Description: AT42QT1244-AU, Touch Screen Controller

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AT42QT1244-AU - Microchip - PCB symbol
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PCB Footprints
AT42QT1244-AU - Microchip PCB footprint - Quad Flat Packages - Quad Flat Packages - 32A
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3D Models
AT42QT1244-AU - Microchip - 3D model - Quad Flat Packages - 32A
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AT42QT1244-AU Details

  • Manufacturer Part Number:

    AT42QT1244-AU

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    TQFP-32

  • Pin Count:

    32

  • Manufacturer Package Code:

    TQFP-32

  • Country Of Origin:

    Philippines, Taiwan

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.31.00.01

  • Factory Lead Time:

    9 Weeks

  • Manufacturer:

    Microchip Technology Inc

  • YTEOL:

    13

  • Body Breadth:

    7 mm

  • Body Height:

    1 mm

  • Body Length or Diameter:

    7 mm

  • JESD-609 Code:

    e3

  • Mounting Feature:

    SURFACE MOUNT

  • Number of Terminals:

    32

  • Operating Temperature-Max:

    105 °C

  • Operating Temperature-Min:

    -40 °C

  • Output:

    OPEN-DRAIN

  • Output Range:

    0.60-2.30V

  • Output Type:

    DIGITAL VOLTAGE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Equivalence Code:

    TQFP32,.35SQ,32

  • Package Shape/Style:

    SQUARE

  • Sensors/Transducers Type:

    CAPACITIVE TOUCH SENSOR

  • Supply Voltage-Max:

    5 V

  • Supply Voltage-Min:

    3 V

  • Surface Mount:

    YES

  • Terminal Finish:

    Matte Tin (Sn)

AT42QT1244-AU Frequently Asked Questions (FAQs)

  • A good PCB layout for the AT42QT1244-AU 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 positions and adjusting the sensitivity and offset accordingly.
  • The AT42QT1244-AU can operate in temperatures ranging from -40°C to 85°C, but the optimal operating temperature range is between 0°C to 70°C for best performance.
  • Yes, the AT42QT1244-AU has built-in noise filtering and can operate in noisy environments. However, it's still important to follow proper PCB layout and design practices to minimize noise and ensure reliable operation.
  • The AT42QT1244-AU can be interfaced with a microcontroller using I2C or SPI communication protocols. The specific interface will depend on the microcontroller and the application requirements.

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AT42QT1244-AU Overview

Use the download button to access the AT42QT1244-AU 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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