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The AMP03 is a monolithic unity-gain, high speed differenTIalamplifier. IncorporaTIng a matched thin film resistor network,the AMP03 features stable operaTIon over temperature withoutrequiring expensive external matched components. The AMP03is a basic analog building block for differenTIal amplifier andinstrumentation applications.The differential amplifier topology of the AMP03 both amplifiesthe difference between two signals and provides extremely highrejection of the common-mode input voltage. By providingcommon-mode rejection (CMR) of 100 dB typical, the AMP03solves common problems encountered in instrumentation design.As an example, the AMP03 is ideal for performing either additionor subtraction of two signals without using expensiveexternally matched precision resistors. The large common-moderejection is made possible by matching the internal resistors tobetter than 0.002% and maintaining a thermally symmetriclayout. Additionally, due to high CMR over frequency, theAMP03 is an ideal general amplifier for buffering signals in anoisy environment into data acquisition systems.The AMP03 is a higher speed alternative to the INA105.Featuring slew rates of 9.5 V/μs and a bandwidth of 3 MHz, theAMP03 offers superior performance to the INA105 for highspeed current sources, absolute value amplifiers, and summingamplifiers
