• 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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