AK5730
Overview
The AK5730 is a 4-channel ADC with SAR ADC for DC measurement. The ADC supports Line and Microphone inputs, making it ideal for microphone array applications.
- Audio ADC - 4-Channel Audio ADC - Full-differential Input and Single-ended Input - Input Voltage: Microphone: 1.65Vrms, LINE and Phone: 3Vrms (with external resistors) programmable Boost input: 11.7Vrms (with external resistors) programmable - ADC Performance: S/(N+D): typ 92dB DR, S/N: typ 100dB - Digital HPF for DC-offset cancellation: fc=1Hz with individual on/off
- Sampling Rate: 8kHz ~ 48kHz
- Master Clock: 256fs, 384fs, 512fs or Internal PLL
- Master/Slave mode
- Audio Interface Format: MSB First, - 24bit I2S complement - 24bit TDM interface up to 2 ICs cascade
- SAR ADC - 1ch SAR ADC with 9:1 MUX - Reference Voltage: Ground
- Channel Independent Microphone Diagnostics - open microphone - shorts to battery - shorts to ground - shorts across inputs - microphone bias over current - over temperature
- Programmable Microphone Bias: 5V to 9V with 0.5V step
- P I/F: I2C Bus (Ver 1.0, 400kHz Mode) or SPI
- Power Supply: VDD = 3.0 to 3.6V
