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AT73C209 Datasheet Power Management And Analog Companions

Manufacturer: Atmel (now Microchip Technology)

General Description

The AT73C209 is a fully integrated, low cost, bined Stereo Audio DAC and Power Management Circuit targeted for battery powered devices such as MP3 players in “walkman” format or “mass storage” USB format.

The stereo DAC section is a plete high performance, stereo audio digital-to-analog converter delivering a 93 dB dynamic range.

It prises a multibit sigma-delta modulator with dither, continuous time analog filters and analog output drive circuitry.

Key Features

  • www. DataSheet4U. com.
  • Power Management.
  • Supply Input from USB or 1x Disposal Battery (Alkaline, NimH, NiCd).
  • Input Voltage Range: 0.9V to 1.8V.
  • 2.7V/2.9V/3.1V/3.3V - 100 mA Step-Up DC/DC Converter for Main Supply.
  • 2.7V to 3.5V (100mV step) - 150 mA LDO from USB supply.
  • 2.4V to 3.0V (200mV step) - 60 mA LDO for Analog Supply.
  • Reset Generator.
  • SPI Interface and Internal Programming Registers.
  • Dynamic Power Management.

AT73C209 Distributor