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我前几年在TI公司买了一款集成运放（OPA657NB），电源电流为4mA左右，现在购买相同型号的产品，电源电流变为16mA左右，功耗大了几倍，导致我的产品功耗不能接受，这是怎么会事？？？？？？
根据数据手册，静态电流在11.1mA至16.3mA,那么16mA也算是是正常的，建议你选择更低功耗的运放
OPA657这款最小的静态电流也要11mA左右啊。
你没看数据表。。。。
