AD7873 is a 12-bit successive approximation ADC with a synchronous serial interface and low on resistance switches for driving touch screens. It features a 4-wire touch screen interface, on-chip temperature sensor, direct battery measurement, touch pressure measurement, etc.
The AD7873 is a 12-bit successive approximation analog-to-digital converter (ADC) designed for driving resistive touch screens. It features a synchronous serial interface, low on-resistance switches, and an on-chip temperature sensor. The device operates from a single supply voltage ranging from 2.2 V to 5.25 V and offers a throughput rate of up to 125 kSPS.
| Resolution | 12 Bits |
|---|---|
| Throughput Rate | 125 kSPS |
| Supply Voltage | 2.2 V to 5.25 V |
| Temperature Range | -40°C to +85°C |
| Packages | QSOP, TSSOP, LFCSP |
The maximum throughput rate is 125 kSPS.
Yes, it includes an on-chip temperature sensor with a range of -40°C to +85°C.
The shutdown mode current consumption is a maximum of 1 µA.