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ADAU7118数据手册

更新时间:2022-06-20 09:32:09 大小:646K 上传用户:wangqp查看TA发布的资源 标签:adau7118音频转换器 下载积分:2分 评价赚积分 (如何评价?) 打赏 收藏 评论(0) 举报

资料介绍

FEATURES: 8 channels of PDM audio inputs from digital microphones 16×, 32×, or 64× decimation ratio of PDM to PCM audio data 24-bit resolution to support high sound pressure level (SPL) microphones 126 dB A-weighted SNR 4 kHz to 192 kHz output sampling rate Bit clock rates of 64×, 128×, 192×, 256×, 384×, or 512× the output sampling rate Dual output PDM clocks Automatic PDM clock generation Automatic power-down when BCLK removed Selectable I2C control or hardware mode operation 1.2 mA DVDD operating current for 8 channels at 48 kHz frequency sampling rate and 1.8 V supply Slave I2S or TDM output interface Up to TDM-16 supported Configurable TDM slot routing and sizes I/O supply voltage from 1.70 V to 3.63 V DVDD supply voltage from 1.10 V to 1.98 V <5 μA typical DVDD shutdown current 16-lead, 3 mm × 3 mm, 0.50 mm pitch LFCSP Power-on reset GENERAL DESCRIPTION: The ADAU7118 converts four stereo pulse density modulation (PDM) itstreams into one pulse code modulation (PCM) output stream. The source for the PDM data can be eight microphones or other PDM sources. The PCM audio data is output on a serial audio interface port in either inter-IC serial (I2S) or time domain multiplexed (TDM) format. The ADAU7118 is specified over the commercial temperature range (−40°C to +85°C). The ADAU7118 is available in a 16-lead, 3 mm × 3 mm, 0.40 mm pitch, lead frame chip scale package (LFCSP).

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ADAU7118.pdf 646K

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