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The ACPL-782T isolation amplifier family was designed for current sensing in electronic motor drives and battery system. A differential output voltage is created on the other side of the ACPL-782T optical isolation barrier. The ACPL-782T was designed to ignore very high common-mode transient slew rates (of at least 10 kV/μs).

The high CMR capability of the ACPL-782T isolation amplifier provides the precision and stability needed to accurately monitor motor current in high noise motor control environments, providing for smoother control (less "torque ripple") in various types of motor control applications.

The product can also be used for general analog signal isolation applications requiring high accuracy, stability, and linearity under similarly severe noise conditions. For general applications, we recommend the ACPL-782T (gain tolerance of ±3%). For precision applications Avago Technologies offers the ACPL-782T with part-to-part gain tolerance of ±1%. The ACPL-782T utilizes sigma delta (Σ−Δ) analog-to-digital converter technology, chopper stabilized amplifiers, and a fully differential circuit topology.

Together, these features deliver unequaled isolation-mode noise rejection, as well as excellent offset and gain accuracy and stability over time and temperature. This performance is delivered in a compact, auto-insertable, industry standard 8-pin DIP package that meets worldwide regulatory safety standards. (A gull-wing surface mount option #300 is also available).