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TAS5805M DVDD 1.8V的工作電流

你好,

請教下, 規格書的測試條件都是DVDD=3.3V,

1. 如果DVDD選用1.8V 輸入時, 電流最大要選擇多少? 

2. 當DVDD=1.8V時, PDN是否也要2V以上?

謝謝!

  • 您好,

    DVDD 1.8V时的电流可以用3.3V时的电流根据功率换算,比如3.3V时需要电流18mA则1.8V需电流为3.3Vx18mA/1.8V=33mA。

    PDN是数字管脚,可以根据DVDD=1.8V的数字电平电气特性计算: