When designing high performance systems for RF and videoapplications requiring amplifiers, multiplexers, or programmablegain amplifiers, finding the right components to dothe job is not simple. A pair of SWOP amps from Burr-Brown, the OPA675 and OPA676, open the door to highspeed without the headaches. These devices are true operationalamplifiers with a built-in switchable front end, hencethe name SWOP amp, for switchable input OP amp. Theresulting integrated circuit functions as a fast settlingwideband op amp with a DPDT switch on the two input pins.Using a SWOP amp makes it easy to switch from onechannel to another in nanoseconds.
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