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ISO124U-1K Datasheet(PDF) 1 Page - Texas Instruments |
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ISO124U-1K Datasheet(HTML) 1 Page - Texas Instruments |
1 / 19 page FEATURES q 100% TESTED FOR HIGH-VOLTAGE BREAKDOWN q RATED 1500Vrms q HIGH IMR: 140dB at 60Hz q 0.010% max NONLINEARITY q BIPOLAR OPERATION: V O = ±10V q DIP-16 AND SO-28 q EASE OF USE: Fixed Unity Gain Configuration q ±4.5V to ±18V SUPPLY RANGE APPLICATIONS q INDUSTRIAL PROCESS CONTROL: Transducer Isolator, Isolator for Thermo- couples, RTDs, Pressure Bridges, and Flow Meters, 4-20mA 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 capaci- tive barrier. With digital modulation, the barrier characteris- tics do not affect signal integrity, resulting in excellent reliabil- ity and good high-frequency transient immunity across the barrier. Both barrier capacitors are imbedded in the plastic body of the package. The ISO124 is easy to use. No external components are required for operation. The key specifications are 0.010% max nonlinearity, 50kHz signal bandwidth, and 200 µV/°C VOS drift. A power supply range of ±4.5V to ±18V and quiescent currents of ±5.0mA on V S1 and ±5.5mA on VS2 make these amplifiers ideal for a wide range of applications. The ISO124 is available in DIP-16 and SO-28 plastic surface mount packages. Precision Lowest-Cost ISOLATION AMPLIFIER +V S1 V IN V OUT –V S1 +V S2 Gnd 2 –V S2 Gnd 1 ISO1 24 ISO124 ISO124 SBOS074C – SEPTEMBER 1997 – REVISED SEPTEMBER 2005 www.ti.com PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. Copyright © 1997-2005, Texas Instruments Incorporated Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. All trademarks are the property of their respective owners. |
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