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https://e2e.ti.com/support/audio-group/audio/f/audio-forum/690923/pcm1864-using-pcm1864-configured-to-24-i2s-output-oscilloscope-measured-actual-output-only-16-effective-bit
尊敬的：
使用配置为24 I2S 输出的 PCM1864、示波器仅测量16个有效位的实际输出、
1.测量波形
2.配置
您好！
这是 PCM1864的预期行为、因为该器件的目标 SNR 性能为-103dB。 如果需要24位数据、请查看 PCM1865、它与 PCM1864类似、但 SNR 性能为-110dB。
此致、
Diego Melendez López í a 音频应用工程师
