ISO122 programmable gain isolation amplifier circuit

Published:2011/6/20 0:10:00 Author:John | Keyword: isolation amplifier | From:SeekIC

The figure shows the programmable gain isolation amplifier circuit. The circuit makes use of the isolation amplifier ISO122’s isolation performance and PGA102’s programmable gain controlling function. It also uses a two-way digital coupler ISO150 with isolation performance, in order to achieve the isolation for the input / output signals and gain control signals. Figure (b) is the internal block diagram for the ISO122.



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