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https://e2e.ti.com/support/audio-group/audio/f/audio-forum/961132/pcm1754-could-you-review-schematic-for-pcm1754
尊敬的 TI 专家：
您能否查看 PCM1754的原理图？
谢谢、
Downey Kim。
您好、Downey、
除了引脚9 (AGND)未连接到 GND 外、原理图看起来正常。 这是必需的。 我还建议在输出端使用低通滤波器来衰减带外噪声。
Paul
