AK5706
Description
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.
Key Features
- Acoustic Activity Analyzer (AAA)
- High Accuracy Mode (Idd = 30 µA) / External Trigger Mode (Idd = 11 µA)
- Audio Buffer: 64 kB for up to 2 sec of recording
- 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)
