This solution costs money, occupies board area, reduces reliability (very slightly), consumes power and complicates design - but it does improve the signal-to-noise ratio of the converter.

• 这个办法固然会增加成本，占用电路板面积，（极轻微地）降低可靠性，增加功耗并且增加设计的复杂度，但是的确可以提高数据转换器的信噪比。