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MAX11041 - (MAX11041 / MAX11042) Wired Remote Controllers

Description

The MAX11041/MAX11042 wired remote controllers convert up to six or 30 different pushbuttons into an I2C register.

Together with low-cost pushbutton switches and 1% resistors, the MAX11041/MAX11042 are total solutions over a single-wire interface.

Features

  • Detect Up to Six (MAX11042) or 30 (MAX11041) Different Keys and Jack Insertion/Removal.
  • Work with Either 32Ω or 16Ω Headphones.
  • Add Remote-Control Functionality to Devices Using a Simple Resistor and Switch Array.
  • Low-Power Operation Consuming a Supply Current of Only 5µA (typ).
  • Work with Standard 2.5mm or 3.5mm 4-Pin Headphone Jacks.
  • Support Hold Function to Lockout Keys.
  • 100kHz/400kHz I2C Interface.
  • Single 1.6V to 3.6V Su.

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Full PDF Text Transcription

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19-3984; Rev 1; 8/07 www.DataSheet4U.com Wired Remote Controllers General Description The MAX11041/MAX11042 wired remote controllers convert up to six or 30 different pushbuttons into an I2C register. Together with low-cost pushbutton switches and 1% resistors, the MAX11041/MAX11042 are total solutions over a single-wire interface. A wired remote controller easily piggybacks to a standard 3.5mm headphone jack using a fourth contact or one of the audio signals. To conserve battery life, the MAX11041/MAX11042 consume only 5µA (typ) while reading keypresses in real time without microprocessor (µP) polling. The devices send the debounced keypress along with key duration to the application processor over the I2C interface.
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