ISO124U PDF Datasheet


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Description

This is Precision Lowest Cost ISOLATION AMPLIFIER. ® ISO 124 ISO124 ISO 124 Precision Lowest Cost ISOLATION AMPLIFIER FEATURES q 100% TESTED FOR HIGH-VOLTAGE BREAKDOWN q RATED 1500Vrms q HIGH IMR: 140dB at 60H- q 0.010% max NONLINEARITY q BIPOLAR OPERATION: VO = ±10V q 16-PIN PLASTIC DIP AND 28-LEAD SOIC q EASE OF USE: Fixed Unity Gain Configuration q ±4.5V to ±18V SUPPLY RANGE APPLICATIONS q INDUSTRIAL PROCESS CONTROL: Transducer Isolator, Isolator for Thermocouples, RTDs, Pressure Bridges, and Flow Meters, 4mA to 20mA Loop Isolation q GROUND LOOP ELIMINATION q MOTOR AND SCR CONTROL q POWER MONITORING q PC-BASED DATA ACQUISITION q TEST EQUIPMENT DESCRIPTION The ISO124 is a precision isolation amplifier incorporating a novel duty cycle modulation-demodulation technique. The signal is transmitted digitally across a 2pF differential capacitive barrier. With digital modulation the barrier characteristics do not affect signal integrity, resulting in excellent reliability and good high frequency transient immunity across the barrier. .