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2022-09-24 17:06:16
AC108 voice chip with I2S/TDM highly integrated four-channel ADC multi-microphone array output conversion original spot welcome inquiry!
feature
?108 dB dynamic range (A-weighted) @ 0 dB
boost gain
?90 dB THD+N@0 dB boost gain
?4 0dB programmable boost amplifiers
45dB in 3dB steps
? Supported ADC sample rates: 8kHz, 12kHz, 16kHz, 22.05kHz, 24kHz, 32kHz, 44.1kHz, 48kHz, 96kHz? Analog and digital mixers in recorded data
path
• Four fully differential microphone inputs:
MIC1P/N~MIC4P/N
- Configurable for pseudo differential single-ended mode
- Configurable as digital microphone data pin
• Four low-noise microphone bias outputs:
MIC1_BIAS ~ MIC4_bias
- Programmable bias voltage 1.5V to 4V
?Two DMIC SCLK outputs @1M~325M
? Two I2S data outputs: - Configurable for I2S/PCM format, use
1 pin is used to output 2 channels of data for 1 device. - Configurable to I2S/PCM format using 2
The pins output 4 channels of data for 1 device. - Can be configured to TDM format using 1
Pin output 4 even 16 channels of data
equipment. - Can be configured as an encoding format using
1 pin outputs 4 even 16-channel data
equipment. ?DPLL supports 6-/12 MHz, 6.144--/12.288-MHz, 5.6448--/11.2896-MHz, 13MHz and 19.2MHz wide input. ?Integrated LDO allowing single 3.3V supply ?<4mA per ADC channel for low power
consumption application
?TWI control interface support above 100 kHz
to 400 kHz? 48 pins, 6 x 6 mm
2 QFN packs