MFG:AK Package Cooled:QFB D/C:07+
MFG: AK
Package Cooled: QFB
D/C: 07+
Description: The AK4182 is a 4-wire resistive touch screen controller that incorporates a 12-bit 125 kHz sampling S...
The AK4182 is a 4-wire resistive touch screen controller that incorporates a 12-bit 125 kHz sampling SAR type A/D converter.
The AK4182 operates down to 2.2V supply voltage and supports digital I/O interface voltage from 1.5V to VCC in order to connect low voltage uP.
The AK4182 can detect the pressed screen location by performing two A/D conversions. In addition to location, the AK4182 also measures touch screen pressure.
On-chip VREF can be utilized for analog auxiliary input, temperature measurement and battery monitoring with the ability to measure voltage from 0V to 5V.
The AK4182 also has an on-chip temperature sensor.The AK4182 is available in 16pin QFN thin package (0.75mm in height) and has the operating temperature range of -40 to +85.
| Parameter | Symbol | Min | max | Units |
| Power Supplies | VCC | -0.3 | 6.0 | V |
| Digital I/O Power Supply | IOVDD | -0.3 | 6.0 | V |
| Input Current (any pins except for supplies) | IIN | - | ±10 | mA |
| Input Voltage | VIN | -0.3 | 6.0(VCC+0.3) | V |
| Touch Panel Drive Current | IOUTDRV | 50 | mA | |
| Ambient Temperature (power supplied) | Ta | -40 | 85 | |
| Storage Temperature | Tstg | -65 | 150 |
AK402D4-11
PDF/DataSheet Download
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