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https://e2e.ti.com/support/audio-group/audio/f/audio-forum/1476509/pga2505-pga2505-operation-when-spi-communication-is-not-performed
工具与软件：
我假设 PGA2505通常配置为 SPI 器件、但您能否告诉我如果不执行 SPI 通信、将进入哪种操作模式？
它是在固定增益放大器下运行吗？ 如果是、那么增益是多少
您好！
默认增益为增益1。 我希望这对您有所帮助。
此致、
Chris Featherstone
