应用功能： 结型场效应管高阻抗输入(单)运算放大器 LF157-LF257-LF357 HIGH INPUT IMPEDANCE J-FET INPUT .STAGE HIGH SPEED J-FET OP-AMPs : up to 20MHz, 50V/ms OFFSETVOLTAGEADJUSTMENTDOESNOT DEGRADEDRIFT OR COMMON-MODE REJECTION AS IN MOST OF MONOLITHIC AMPLIFIERS INTERNAL
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