ACPL-C79B, ACPL-C79A, ACPL-C790 Precision Miniature Isolation Amplifiers Data Sheet Description The ACPL-C79B/C79A/C790 isolation amplifiers are designed for current and voltage sensing in electronic power converters in applications including motor drives and renewable energy systems.
In a typical motor drive implementation, current flows through an external resistor and the resulting analog voltage drop is sensed by the isolation amplifier.
A differential output voltage that is proportional to the current is created on the other side of the optical isolation barrier.
For general applications, the ACPL-C79A (±1% gain tolerance) and the ACPL-C790 (±3% gain tolerance) are recommended.
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