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tlv320aic3100保护故障问题

Peng Ma
Prodigy 50 points
Other Parts Discussed in Thread: TLV320AIC3100

tlv320aic3100在使用中AVDD接LDO输出3V，SPKVDD接锂电池３.７Ｖ端，发现在使用SPK经常被保护，通过示波器观察电压也没有低于2.7V。另外用稳压源带，发现低于3.5V时ＭＩＣ可以正常采集和输出，但SPK端就输出保护，急请教，帮分析一下故障，万分感谢！