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HCPL-7520

Agilent
Part Number HCPL-7520
Manufacturer Agilent
Description Isolated Linear Sensing IC
Published May 24, 2018
Detailed Description Agilent HCPL-7520 Isolated Linear Sensing IC Data Sheet Description The HCPL-7520 isolated linear current sensing IC fa...
Datasheet PDF File HCPL-7520 PDF File

HCPL-7520
HCPL-7520

Overview
Agilent HCPL-7520 Isolated Linear Sensing IC Data Sheet Description The HCPL-7520 isolated linear current sensing IC family is designed for current sensing in low-power electronic motor drives.
In a typical implementation, motor current flows through an external resistor and the resulting analog voltage drop is sensed by the HCPL-7520.
An output voltage is created on the other side of the HCPL-7520 optical isolation barrier.
This single-ended output voltage is proportional to the motor current.
Since common-mode voltage swings of several hundred volts in tens of nanoseconds are common in modern switching inverter motor drives, the HCPL7520 was designed to ignore very high common-mode transient slew rates (of at least 10 kV/µs).
The high CMR capability of the HCPL-7520 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...


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