AK5704 Overview
Description
The AK5704 is a high performance analog front-end AD converter IC ideal for voice recognition, voice control, and conferencing applications. The device has a built-in 4-ch 32-bit ADC and a low noise microphone amplifier and extracts full performance of a high S/N microphone with low power consumption by achieving dynamic range of 105dB.
Key Features
- Digital Voice Activity Detector
- Programmable Digital Filter Mixer 2nd order HPF and LPF Digital ALC (Automatic Level Control): 4-ch Link Mode, 2-ch Mode
- 8/12/16-ch Cascade TDM
- Built-in PLL
- Control I/F: I2C-bus (400kHz)
- Operation Temperature Range: Ta = 40 to 85°C
- Power Supply: AVDD (ADC, MIC, PLL): 1.7 to 1.9 V or 3.0V to 3.6V TVDD (Host & Audio I/F, LDO12): 1.65 to 3.6 V
