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Touch Screen Controller
AK4185
Ultra Small Package SPI Touch Screen Controller
The AK4185 is a 4-wire/ 5-wire resistive touch screen controller that incorporates 12bit SAR A/D converter. The AK4185 operates down to 1.6V supply voltage in order to connect a low voltage microprocessor. The AK4185 can detect the pressed screen location by performing two A/D conversions and it can also measure touch pressure. The AK4185 is the best fit for cellular phone, DSC, DVC, smart phone, or other portable devices.
AK4185
  • Applicatio ns : Mobile Phone, DSC, DVC, Smart Phone and MP3 player
  • 4-wire or 5-wire Touch Screen Interface
  • SPITM Serial Interface
  • 12bit SAR A/D Converter with S/H circuit
  • Sampling Frequency: 300Ksps
  • Pen Pressure Measurement (4-wire)
  • Continuous Read Function (External Clock Mode)
  • Integrated Internal Osc (Sequence Mode)
  • Low Voltage Operation: VDD = 1.6V ~ 3.6V
  • PENIRQN Buffer Output
  • Low Power Consumption: 240microA at 1.8V
  • Auto Power Down
  • Package: 12pin CSP (2mm x 1.5mm, pitch 0.5mm)
  • Software Compatible with AK4182A
  • Evaluation Board: AKD4185

SPITM is a registered trademark of Motorola, Inc.

 
PDF
Download		 PDF

Data Sheet
Rev. MS0954-E-05 2010/10
PDF : 567KB / 30pages

PDF Evaluation Board Manual
Rev. KM090700 2007/11
PDF : 894KB / 18pages
AK4185 BLOCK DIAGRAM

AK4185 BLOCK DIAGRAM
To inquire for this product  |  USA   /   English