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减小电路功耗的一种最有效方法是关闭不工作的元件。与一般电路相比,具有暂停(power-shutdown)功能的电路可将电源电流减小到原来的千分之一。在各次(模数)变换之间或当不需变换时,使数据转换和支持元件处于暂时关机状态,可显著减小电源电流和平均损耗。
One of the most effective ways to reduce the power consumption of a circuit is to shut down nonworking components. Circuits with power-shutdown capability reduce the supply current by a factor of 1 compared to typical circuits. The data conversion and support elements are temporarily shut down between each (A / D) conversion or when no conversion is required, significantly reducing supply current and average loss.