AK5702 Overview
Description
The AK5702 features a 4-channel ADC. Input circuits include a Microphone-Amplifier with programmable gain and an ALC (Auto Level Control) circuit, making it ideal for consumer microphone array applications.
Key Features
- 4-Channel ADC
- 3:1 Stereo Input Selector
- Full-differential or Single-ended Input
- MIC Amplifier (+36dB/+30dB/+15dB/0dB)
- Input Voltage: 1.8Vpp@AVDD=3.0V (= 0.6 x AVDD)
- ADC Performance: S/(N+D): 83dB, DR, S/N: 89dB@MGAIN=0dB S/(N+D): 83dB, DR, S/N: 87dB@MGAIN=+15dB
- Digital HPF for DC-offset cancellation (fc=3.4Hz@fs=44.1kHz)
- Input Digital Volume (+36dB -54dB, 0.375dB Step, Mute)
- Sampling Rate
- PLL Slave Mode (LRCK pin): 7.35kHz 48kHz