See datasheet for actual packaging/pinout drawings


PCM1864 Circular Microphone Board (CMB) 103dB 4-Ch Software-Controlled Audio ADC With Universal Front End Evaluation Module

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Texas Instruments PCM1864CMBEVM

The PCM1864 circular microphone board (CMB) is a low-cost easy-to-use reference design for applications that require clear-spoken audio, such as voice triggering and speech recognition. This TI Design uses microphone array to capture voice signal and converts it to digital stream that can be used by DSP systems to extract clear audio from noisy environments.
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