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| FMA4A资料 | |
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FMA4A PDF Download |
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File Size : 116 KB
Manufacturer:ROHM Description:more difficult to deal with. An isolation amp, however, can reduce their effect on system accuracy, depending on the amplifiers transient immunity. This parameter is defined as the greatest dv/dt that can appear between isolated and unisolated ground before accuracy is lost at the amplifiers output. Few data sheets specify transient immunity, which can vary from 0.1 to 10,000V/µs. Choosing the best isolation amplifier from process-control applications isnt a simple matter. The common use of 4-to- 20mA current loop transmitters and receivers requires an isolated power supply that can supply at least 25mA for the loop and any signal conditioning circuitry. Another consid- eration is the input supply-voltage range. Some isolation amps need a regulated 15V supply, while others can tolerate sharing an unregulated system supply. The IMR needed depends on the 60Hz line voltage encountered. Most isola- tion amps specify greater than 100dB rejection at 60Hz, which is adequate for the majority of process-control appli- cations. |
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| 1PCS | 100PCS | 1K | 10K | ||
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型 号：FMA4A 厂 家：ROHM 封 装：SOT-153 批 号：99+ 数 量：6000 说 明：绝对全新原装大量现货，质量保证，欢迎来电查询 |
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运 费： 所在地： 新旧程度： |
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