Analogue, Mixed Signal, LSI


Power supply and audio interface IC

17 September 2008 Analogue, Mixed Signal, LSI

Atmel has released its AT73C209 Analog Companion power supply and audio interface IC designed for low-cost music players. It supplies the required voltages and currents to all the sections of these portable devices, taking energy from a single alkaline battery, and also provides a high-quality audio interface.

The module has two linear regulators (LDO) and one very low input voltage and high­efficiency step-up switching regulator (DC-DC) working down to 0,9 V, thus particularly suited for 1-cell Alkaline/NiMh batteries. On the audio side, it offers an audio-quality 16-bit stereo audio DAC with headset driver and microphone preamplifier to interface with the recording stage of an MCU.

The AT73C209 is available in a 7 x 7 mm, 32-pin QFN package in order to satisfy portable device manufacturers’ minimum space requirements and low cost.

For more information contact Arrow Altech Distribution, +27 (0)11 923 9600, [email protected], www.arrow.altech.co.za, EBV Electrolink, +27 (0)21 402 1940, [email protected], www.ebv.com



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