XPT2046 TSSOP16 4Wire Resistive Touch Screen Controller
Description
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Description:
The XPT2046 is a 4-wire resistive touch screen controller that incorporates a 12-bit 125 kHz sampling SAR type A/D converter. The XPT2046 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 XPT2046 can detect the pressed screen location by performing two A/D conversions. In addition to location, the XPT2046 also measures touch screen pressure.On-chip VREF can be utilized for analog auxiliary input, temperature measurement and battery monitoring withthe ability to measure voltage from 0V to 5V. The XPT2046 also has an on-chip temperature sensor The XPT2046 is available in 16pin TSSOP thin package(0.75mm in height) and has the operating temperature range of -40°C to +85°C
Features:
- 12 bit SAR type A/D converter with S/H circuit
- Low voltage operation (VCC = 2.2V ∼ 3.6V)
- Low voltage digital I/F (1.5V ∼ VCC)
- 4-wire I/F
- Sampling frequency: 125 kHz (max)
- On-Chip voltage reference (2.5V)
- Pen pressure measurement
- On-chip thermo sensor
- Direct battery masurement
- Low power consumption (260μA)
- Package 16pin TSSOP
Applications:
- Personal digital assistants
- Portable instruments
- Point -of-sale terminals
- Pagers Touch screen monitors
- Cellular phones
Additional information
Weight | 0.005 kg |
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