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Single-power supply circuit for ISO122P/ISO124

Source: InternetPublisher:武林萌主 Keywords: Power Circuit Updated: 2024/09/10

Single-power supply circuit of ISO122P/124

As shown in the figure, this is the single power supply circuit of ISO122P/124. The signal source VIN is input to the instrumentation amplifier INA105, amplified and output (gain = 1), added to the input end of ISO122P/124, and output after isolation. Here, the input end (primary side) of ISO122P/124 shares a single power supply of 15V with INA105, so it is called "single power supply operation", while the output end (secondary side) is powered by another set of ±15V.

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