The TSC2003 is a 4-wire resistive touch screen controller. It also features direct measurement of two batteries, two auxiliary analog inputs, temperature measurement, and touch-pressure measurement.
The TSC2003 has an on-chip 2.5-V reference that can be utilized for the auxiliary inputs, battery monitors, and temperature-measurement modes. The reference can also be powered down when not used to conserve power. The internal reference operates down to 2.7-V supply voltage while monitoring the battery voltage from 0.5 V to 6 V.
The TSC2003 is available in the small TSSOP-16 package and is specified over the 40°C to 85°C temperature range.
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| SAR ADC resolution (Bits) | 12 |
| SAR sample rate (max) (ksps) | 125 |
| Touch panel | 4-Wire |
| Control interface | I2C |
| Vref (int/ext) | Internal |
| Rating | Automotive |
| Operating temperature range (°C) | -40 to 85 |
| Analog supply (min) (V) | 2.7 |
| Analog supply voltage (max) (V) | 5.25 |
| I/O supply voltage (min) (V) | 2.7 |
| I/O supply voltage (max) (V) | 3.6 |
| Input type | Single-ended |
| TSSOP (PW) | 16 | 32 mm² 5 x 6.4 |