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AT42QT1070-SSUR

Capacitive Touch Sensor, I2C, 1.8 V, 5.5 V, SOIC, 14 Pins, -40 °C

Date/Lot Code
MICROCHIP AT42QT1070-SSUR
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Manufacturer:
MICROCHIP MICROCHIP
Manufacturer Part No:
AT42QT1070-SSUR
Order Code:
1972020
Technical Datasheet:
AT42QT1070-SSUR   Datasheet
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Product Overview

The AT42QT1070-SSU is a digital burst mode charge-transfer capacitive Sensor Driver. The device can sense from one to seven keys, dependent on mode. It has the optimized architecture where no external components are required and only 1-pin per channel. It includes all signal processing functions necessary to provide stable sensing under a wide variety of changing conditions and the outputs are fully de-bounced. It modulates its bursts in a spread-spectrum fashion in order to heavily suppress the effects of external noise and to suppress RF emissions. It uses a dual-pulse method of acquisition. This provides greater noise immunity and eliminates the need for external sampling capacitors, allowing touch sensing using a single pin.
  • Comms and standalone mode configurations
  • 1 to 7 keys (or 1 to 6 keys plus a guard channel) comms mode
  • 1 to 4 keys plus a fixed guard channel on key 0 standalone mode
  • 5-output standalone mode
  • Patented spread-spectrum charge-transfer technology
  • 6 x 6mm or Larger (Panel Thickness Dependent), Widely Different Sizes and Shapes Possible
  • 1 PCB layer required
  • Etched copper, silver, carbon and indium tin oxide (ITO) electrode materials
  • Plastic, Glass, Composites and Painted surfaces possible Panel Materials
  • Up to 10mm glass, up to 5mm Plastic (electrode size dependent) panel thickness
  • Individually settable via simple commands over I²C-compatible interface Comms mode
  • Discrete detection outputs interface
  • Self-calibration, auto drift compensation, noise filtering, adjacent key suppression® (AKS®)

Warnings

Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.

Product Information

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:
I2C

:
1.8V

:
5.5V

:
SOIC

:
14Pins

:
-40°C

:
85°C

:
-

:
MSL 2 - 1 year

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Technical Documents (3)

CAD Downloads

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Terms and Conditions

CAD Models - Notice
CAD Models and drawings are provided to you on a revocable limited licence for your internal use only but remain the property of the manufacturer who retain all intellectual property rights and ownership. They are provided to assist you in decision making and as design guide but are not guaranteed to be error free, accurate or up to date and is not intended to be taken as advice.
Use of these CAD models and other options provided are downloaded and used entirely at your own risk and by continuing you confirm acceptance of the above.

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Packaging type Cut Tape
 
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Re-reel (minimum 100/reel):1972020RL Check stock

41,225 In stock

9,000 more will be available on 2/10/23

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Same day despatch

Due to market conditions delivery times are for general guidance only and may be subject to change at short notice

US$1.198

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