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LM8300 Datasheet Four Wire Resistive Touchscreen Controller

Manufacturer: Texas Instruments

Overview: LM8300, LM8500 www.ti.com SNAS158B – OCTOBER 2002 – REVISED MARCH 2013 LM8300/LM8500 Four Wire Resistive Touchscreen Controller with Brownout Check for Samples: LM8300,.

General Description

The LM8300/8500 is a 4-wire resistive touch screen controller.

The controller samples and drives the touch screen without the need of any external hardware.

The built in 10-bit A/D provides a maximum of 500 coordinate pairs per second (cpps).

Key Features

  • 1.
  • 2 Supports 4 Wire Resistive Touch Panels.
  • Low Power Standby Current Typically Less Than 2 µA at 5.5V.
  • Maximum Speed of 500 Coordinate Pairs per Second.
  • Automatic Wake Up and Return to Standby.
  • 10 bit A/D.
  • On-chip Touch Screen Current Drivers - No External Driver Required.
  • UART Interface.
  • Controller Configurations are Stored in the Internal Non-volatile Storage Element.
  • Touch Pressure can be Measured.

LM8300 Distributor