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The Atmel maXTouch mXT540E mutual capacitance touchscreen controller is now automotive-qualified (Grade 2 (temperature range -40°C to +105°C). The device is designed for touchscreens of up to 8” diagonal or even larger. The highly responsive IC is able to identify up to sixteen touches on the touchscreen and enables shieldless single layer touch sensors as well as gloved operation. With advanced touch processing, the device embeds a variety of single and dual touch gestures, and rejects unintentional touches caused, e.g., by a resting palm, while correctly interpreting light touches.

Key Features

  • Max. screen size: 8"
  • Single layer, shieldless sensor
  • Nodes: 540
  • Multitouch: 16
  • Touch response: 150Hz
  • Interface type: I2C
  • Gloved operation
  • Embedded gestures

Key Parameters

Parameter
Value

Operating Voltage (Vcc):

3.3

Temp. Range (deg C):

-40 to 105

Automotive Qualified:

Yes