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ADS7843E - 

Touch Screen Controller IC, 4 Wire, Serial, Interface, 12 bit Resolution, 2.7 V to 5.25 V, SSOP-16

TEXAS INSTRUMENTS ADS7843E

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Manufacturer Part No:
ADS7843E
Newark Part No.:
35C1556
Technical Datasheet:
(EN)
See all Technical Docs

Product Information

:
-
:
Each
:
4 Wire, Serial, SPI
:
12bit
:
16Pins
:
SSOP
:
2.7V
:
-
:
5.25V
:
MSL 2 - 1 year
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Product Overview

The ADS7843E is a 12-bit sampling Analog-to-digital Converter (ADC) with a synchronous serial interface and low on-resistance switches for driving touch screens. Typical power dissipation is 750uW at a 125kHz throughput rate and a 2.7V supply. The reference voltage (VREF) can be varied between 1V and +VCC, providing a corresponding input voltage range of 0V to VREF. The device includes a shutdown mode which reduces typical power dissipation to under 0.5uW. The ADS7843 is specified down to 2.7V operation. Low power, high speed and on board switches make the ADS7843 ideal for battery-operated systems such as personal digital assistants with resistive touch screens and other portable equipment.
  • 4-wire Touch screen interface
  • Ratiometric conversion
  • 2 Auxiliary analog inputs
  • Full power-down control
  • Green product and no Sb/Br

Applications

Consumer Electronics, Portable Devices, Communications & Networking

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