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AD7877 - Touch Screen Controller

Description

The AD7877 is a 12-bit, successive approximation ADC with a synchronous serial interface and low on resistance switches fo

Features

  • 4-wire touch screen interface LCD noise reduction feature (.

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Datasheet preview – AD7877

Datasheet Details

Part number AD7877
Manufacturer Analog Devices
File Size 786.58 KB
Description Touch Screen Controller
Datasheet download datasheet AD7877 Datasheet
Additional preview pages of the AD7877 datasheet.

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Full PDF Text Transcription

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Data Sheet FEATURES 4-wire touch screen interface LCD noise reduction feature (STOPACQ pin) Automatic conversion sequencer and timer User-programmable conversion parameters On-chip temperature sensor: −40°C to +85°C On-chip 2.5 V reference On-chip 8-bit DAC 3 auxiliary analog inputs 1 dedicated and 3 optional GPIOs 2 direct battery measurement channels (0.5 V to 5 V) 3 interrupt outputs Touch-pressure measurement Wake up on touch function Specified throughput rate of 125 kSPS Single supply, VCC of 2.7 V to 5.25 V Separate VDRIVE level for serial interface Shutdown mode: 1 µA maximum 32-lead, LFCSP, 5 mm × 5 mm package 25-ball,WLCSP, 2.5 mm × 2.
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