The 24-bit ADAU1361 and ADAU1761 audio codecs are suited for wireless handsets, portable media players, portable navigation devices, digital still cameras, and other mobile audio and telephony applications. The ADAU1361 achieves greater than 100-dB SNR, while dissipating less than 5 mW in stereo playback mode, and the ADAU1761 audio codec adds a SigmaDSP digital audio processor.
The codecs include stereo audio A/D converters and D/A converters that support sample rates from 8 to 96 kHz, and a digital volume control. The analog input stage supports a stereo line input, a stereo analog microphone interface, and a circuit to supply the microphone bias voltage. The serial control bus supports the I2 C or SPI protocols, while the serial audio bus is programmable for I2 S, left/right justified, or TDM modes. (From $2.88 ea/1,000 — prod qty, November.)
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