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AT42QT1011-MAHR - Microchip

Description: MICROCHIP - AT42QT1011-MAHR - CAPACITIVE TOUCH SENSOR, 1 CH, UDFN-8

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AT42QT1011-MAHR - Microchip - PCB symbol
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PCB Footprints
AT42QT1011-MAHR - Microchip PCB footprint - Small Outline No-lead - Small Outline No-lead - 8-pin UDFN/USON_1
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3D Models
AT42QT1011-MAHR - Microchip - 3D model - Small Outline No-lead - 8-pin UDFN/USON_1
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AT42QT1011-MAHR Details

  • Manufacturer Part Number:

    AT42QT1011-MAHR

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    UDFN-8

  • Pin Count:

    8

  • Manufacturer Package Code:

    UDFN-8

  • Country Of Origin:

    Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.31.00.01

  • 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:

    0.50-2.30V

  • Output Type:

    DIGITAL VOLTAGE

  • Package Body Material:

    UNSPECIFIED

  • Package Shape/Style:

    RECTANGULAR

  • Screening Level:

    TS 16949

  • Sensors/Transducers Type:

    CAPACITIVE TOUCH SENSOR

  • Supply Voltage-Max:

    5.5 V

  • Supply Voltage-Min:

    1.8 V

  • Surface Mount:

    YES

AT42QT1011-MAHR Frequently Asked Questions (FAQs)

  • A good PCB layout for the AT42QT1011-MAHR 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. A 4-layer PCB with a dedicated ground plane is recommended.
  • The AT42QT1011-MAHR does not require calibration. It is a digital sensor that provides a calibrated output. However, the sensor may require a one-time initialization process to set the sensitivity and threshold values. Refer to the datasheet for more information.
  • The AT42QT1011-MAHR can operate at frequencies up to 400 kHz. However, the recommended operating frequency is 100 kHz to 200 kHz for optimal performance.
  • Yes, the AT42QT1011-MAHR can be used with a 3.3V microcontroller. The sensor's output is 5V tolerant, but it can also be used with 3.3V systems with proper level shifting.
  • To minimize EMI, use a shielded cable to connect the sensor to the microcontroller, keep the sensor and microcontroller close together, and use a ground plane on the PCB. Additionally, consider using EMI filters or shielding on the PCB.

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AT42QT1011-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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