AK5706 - AKM

AK5706 Low-Power 2-ch ADC

The AK5706 is a high-performance 24-bit stereo ADC (Analog-to-Digital converter) with integrated Acoustic Activity Analyzer (AAA), audio buffer, and support for digital and high-SNR microphones. The AAA listens for audio activity in a very low-power state while the rest of the device remains powered off. Once qualifying audio content is detected, the audio b.

Features

1. Acoustic Activity Analyzer (AAA)
• High Accuracy Mode (Idd = 30 µA) / External Trigger Mode (Idd = 11 µA) 2. Audio Buffer: 64 kB for up to 2 sec of recording 3. Audio Capture
• 2-Channel Low-Power 24-bit ADC S/N, DR: 105 dB (High Performance Mode) S/N, DR: 103 dB (Low Power Mode)
• Single-ended Inputs or Full-differential Inputs
• MIC Amplifier Gain: +30 dB to 0 dB, 3 dB steps
• 4-Channel Digital MIC Interface (64 fs / 32 fs / 48 fs / 24 fs)
• Programmable Phase Adjustment
• Selectable Digital Filter (Low-latency Sharp Roll-off or Voice)
• Microphone Sensitivity Adjustment
• 2.