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The mXT449T-A uses the latest capacitive touch technologies that Atmel has designed for the highest-performance automotive touchscreens in the centerstack or entertainment systems. With a revolutionary adaptive-sensing architecture featuring both mutual- and self-capacitance, it enables the highest performance supporting hover, gloved touch and thick lens support. Hover operation will track the position of the finger when it floats within 20mm of the touchscreen. Hover allows user interaction without making a physical contact, and brings a more dynamic interface to user applications.

In addition it provides best in class water and moisture immunity guaranteeing that no false touch will be detected under this harsh conditions.

With 448 nodes, the mXT449T-A touchscreen controller supports touchscreens up to 8”.

Principais recursos

  • Fully automotive-qualified (Grade 2), operating within the temperature range of -40°C up to +105°C
  • Adaptive Sensing (Self and Mutual cap)
  • Support 20mm hover
  • Supports thick glove (5mm) touch
  • Support thick lenses (up to 3mm plastic)
  • Superior moisture performance

Principais parâmetros




Max. Screen:

8 in

Interface Type:


Touch Response:

>250 Hz

Operating Voltage (Vcc):



Código do Pedido Encapsulamento Faixa Operacional Tipo de Portadora Amostras Disponibilidade da Loja Atmel1 Preço unitário2 Comprar on-line
MXT449T-AB TQFP 100A 100 Automotive(Grade 2) (-40°C to 105°C) Tray 0 Modificar
MXT449T-ABR TQFP 100A 100 Automotive(Grade 2) (-40°C to 105°C) Tape&Reel 0 Modificar
MXT449T-AT TQFP 100A 100 Automotive(Grade 3) (-40°C to 85°C) Tray 0 Modificar
MXT449T-ATR TQFP 100A 100 Automotive(Grade 3) (-40°C to 85°C) Tape&Reel 0 Modificar

1Backlog orders can be placed for items currently not available.
2Suggested retail price per unit for budgetary use only.