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AT42QT1012-MAHR - Microchip

Description: Capacitive Touch Sensors One-Channel Touch Sensor IC Capacitive Touch Buttons 8-UDFN, USON

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AT42QT1012-MAHR - Microchip - PCB symbol
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AT42QT1012-MAHR - Microchip PCB footprint - Small Outline No-lead - Small Outline No-lead - 8-pin UDFN/USON_1
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AT42QT1012-MAHR - Microchip - 3D model - Small Outline No-lead - 8-pin UDFN/USON_1
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AT42QT1012-MAHR Details

  • Manufacturer Part Number:

    AT42QT1012-MAHR

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    UDFN-8

  • Pin Count:

    8

  • Manufacturer Package Code:

    UDFN-8

  • Country Of Origin:

    Thailand

  • Factory Lead Time:

    7 Weeks

  • Manufacturer:

    Microchip Technology Inc

  • YTEOL:

    13

  • Additional Feature:

    SEATED HGT MAX

  • Body Breadth:

    1.95 mm

  • Body Height:

    0.6 mm

  • Body Length or Diameter:

    2 mm

  • Mounting Feature:

    SURFACE MOUNT

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output:

    DIGITAL

  • Output Range:

    0.60-2.30V

  • Output Type:

    DIGITAL VOLTAGE

  • Package Body Material:

    UNSPECIFIED

  • Package Shape/Style:

    RECTANGULAR

  • Sensors/Transducers Type:

    CAPACITIVE TOUCH SENSOR

  • Supply Voltage-Max:

    5.5 V

  • Supply Voltage-Min:

    1.8 V

  • Surface Mount:

    YES

AT42QT1012-MAHR Frequently Asked Questions (FAQs)

  • The recommended PCB layout for the AT42QT1012-MAHR involves placing the sensor as close to the touch surface as possible, with a solid ground plane underneath to reduce noise. The sensor's pins should be connected to the microcontroller using short, low-impedance traces.
  • Calibration involves adjusting the sensor's sensitivity and threshold settings to suit the specific application. This can be done using Microchip's QTouch Configurator tool or by writing custom code to adjust the sensor's registers.
  • The maximum operating frequency of the AT42QT1012-MAHR is 200 kHz, but it can be adjusted to lower frequencies to reduce power consumption or improve noise immunity.
  • To handle noise and interference, use a solid ground plane, keep the sensor and microcontroller close together, and use shielding or filtering to reduce electromagnetic interference (EMI).
  • Yes, the AT42QT1012-MAHR is designed for use with capacitive touch screens and can detect touch events, gestures, and proximity sensing.

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AT42QT1012-MAHR 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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