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TEXAS INSTRUMENTS  ADS7846N  TOUCH SCREEN CONTROLLER IC

TEXAS INSTRUMENTS ADS7846N
Technical Data Sheet (10.03KB) EN See all Technical Docs

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Product Overview

The ADS7846N is a 4-wire Touch Screen Controller, 100% pin-compatible with the existing ADS7843 and drops into the same socket. This allows for easy upgrade of current applications to the new version. Only software changes are required to take advantage of the added features of direct battery measurement, temperature measurement and touch-pressure measurement. The ADS7846 also has an on-chip 2.5V reference that can be used for the auxiliary input, battery monitor and temperature measurement modes. The reference can also be powered down when not used to conserve power. The internal reference operates down to 2.7V supply voltage while monitoring the battery voltage from 0 to 6V. The low-power consumption of <0.75mW typical at 2.7V (reference off), high speed (up to 125kHz clock rate) and on-chip drivers make the controller an ideal choice.
  • On-chip temperature measurement
  • Touch-pressure measurement
  • Auto power-down
  • Green product and no Sb/Br

 

Product Information

IC Interface Type:
3 Wire, Serial, SPI
Resolution (Bits):
12bit
Supply Voltage Min:
2.7V
Supply Voltage Max:
5.25V
Controller IC Case Style:
TSSOP
No. of Pins:
16Pins
Packaging:
Each
Product Range:
-
Automotive Qualifications Standard:
-
MSL:
MSL 2 - 1 year
Operating Temperature Min:
-40 °C
Operating Temperature Max:
85 °C
Supply Voltage Range:
2.7V to 5.25V
SVHC:
No SVHC (15-Jun-2015)
Controller Type:
Resistive Touch Screen
Digital IC Case Style:
TSSOP

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Applications

  • Communications & Networking;
  • Consumer Electronics;
  • Portable Devices

Legislation and Environmental

Moisture Sensitivity Level:
MSL 2 - 1 year
Product Traceability
RoHS Compliant:
Yes
Authorized Distributor

Substitutes

Associated Products

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