Click to expand full text
CS53L30
Low-Power Quad-Channel Microphone ADC with TDM Output
Analog Input and ADC Features
System Features
91-dB dynamic range (A-weighted) @ 0-dB gain –84-dB THD+N @ 0-dB gain Four fully differential inputs: Four analog mic/line inputs Four analog programmable gain amplifiers
–6 to +12 dB, in 0.5-dB steps +10 or +20 dB boost for mic input Four mic bias generators MUTE pin for quick mic mute and programmable quick power down
Digital Processing Features
Volume control, mute, programmable high-pass filter, noise gate
Two digital mic (DMIC) interfaces
Digital Output Features
Two DMIC SCLK generators Four-channel I2S output or TDM output. Four CS53L30s
can be used to output 16 channels of 24-bit 16-kHz sample rate data on a single TDM line.