The AK5371 is a two-channel analog-to-digital converter chip with a built-in USB interface. It's targeted at manufacturers creating USB microphones and headsets for PC and consumer telephony and voice applications. It includes an EEPROM interface that enables OEMs to customize the vendor name and product ID that appears during the USB enumeration process. It also features an integrated bias circuit that improves the analog performance of microphones. It comes in a 48-pin LQFP package and is available now for $6.72 per chip.
Asahi Kasei MicroSystems
San Jose, CA
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