Mixed Mode Analog IC Outfits Low-cost Music Players

An analog companion IC, groomed for low-cost music players, the AT73C209 supplies the necessary voltages and currents to all sections of a portable player. Deriving power from a single alkaline battery, it also provides a high-quality audio interface. The device integrates power management and audio circuitry including two linear regulators, one low-input voltage step-up switching regulator working down to 0.9V, and a 16-bit stereo audio DAC with headset driver and microphone preamplifier to interface with the recording stage of a MCU. Available in a 32-pin, 7 mm x 7 mm QFN package, price for the AT73C209 is $1.30 each/100,000. ATMEL CORP., San Jose, CA. (408) 441-0311.