ACPL-790B PDF Datasheet
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Description
This is Precision Isolation Amplifiers. ACPL-790B, ACPL-790A, ACPL-7900
Precision Isolation Amplifiers
Data Sheet
Description
The ACPL-790B, 790A, 7900 isolation amplifiers were 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-790A (±1% gain tolerance) and the ACPL-7900 (±3% gain tolerance) are recommended. For high precision applications, the ACPL-790B (±0.5% gain tolerance) can be used. The product operates from a single 5 V supply and provides excellent linearity and dynamic performance of 60 dB SNR. With 200 kH- bandwidth, 1.6 Ps fast response time, the product captures transients in short circuit and overload c.