Product Summary

The AK4183 is a 4-wire resistive touch screen controller that incorporates SAR type A/D converter. The AK4183 operates down to 2.5V supply voltage in order to connect a low voltage drive processor. The AK4183 can detect the pressed screen location by performing two A/D conversions. In addition to location, the AK4183 also measures touch pressure. As the package size of 10 pin TMSOP is 4.0mm x 2.9mm this is much smaller than QFN and BGA package. AK4183 is the best fit for cellular phone, PDA, or other portable devices.

Parametrics

AK4183 absolute maximum ratings: (1)Power Supplies VCC: -0.3 to 6.0 V; (2)Input Current (any pins except for supplies)IIN: ±10 mA; (3)Input Voltage VIN: -0.3 to 6.0(VCC+0.3)V; (4)Touch Panel Drive Current IOUTDRV: 50 mA; (5)Ambient Temperature (power supplied)Ta: -40 to 85 °C; (6)Storage Temperature Tstg: -65 to 150 °C.

Features

AK4183 features: (1)12-bit SAR type A/D Converter with S/H circuit; (2)Low Voltage Operation (2.5V ∼ 3.6V); (3)I2C bus I/F Supports (Standard mode 100 KHz, Fast mode 400 KHz); (4)4-wire resistive touch screen Interface; (5)Pen Pressure Measurement; (6)Auto Power Down; (7)Continuous Read Operation; (8)Low Power Consumption (91uA @Fast mode); (9)Package 10pin TMSOP.

Diagrams

AK4183 block diagram

Image Part No Mfg Description Data Sheet Download Pricing
(USD)		 Quantity
AK4183
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Data Sheet
Negotiable 
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