•product name
at73c209 
•product description
regulates power supplies from 1-cell alkaline battery and generates high-quality audio signals
•product application
power management and high quality audio circuitry on a single chip for portable music players.
•key features
-integrates power management and high-quality audio circuitry on a single chip;
-it has 2 linear regulators (ldo) and one very low input voltage and high-efficiency step up switching regulator (dc-dc) working down to 0.9v, thus particularly suited for 1 cell alkaline/nimh batteries;
-offers an audio-quality 16-bit stereo audio dac with headset driver and microphone preamplifier to interface with the recording stage of a mcu;
•customer benefits
-integrates 3-channel power supplies and a high-quality audio interface for music players;
-can be supplied with a 1-cell alkaline/nimh battery or usb port, with automatic switch, and manage all the rest of the system;
-minimize the bom by reducing the component count to only 3 ics: (mcu + memory + at73c209).
•end market
- interface for portable music players;
			
			
       	 	
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