HCPL-7840 даташиты PDF

Номер в каталоге : HCPL-7840

Function : Analog isolation amplifier

Производитель : Avago Technologies

цоколевка :

HCPL-7840 datasheet

Описание :

The HCPL-7840 isolation amplifier family was designed for current sensing in electronic motor drives. In a typical implementation, motor currents fl ow through an external resistor and the resulting analog voltage drop is sensed by the HCPL-7840. A differential output voltage is created on the other side of the HCPL-7840 optical isolation barrier.

This differential output voltage is proportional to the motor current and can be converted to a single-ended signal by using an op-amp as shown in the recommended application circuit. Since common-mode voltage swings of several hundred volts in tens of nanoseconds are common in modern switching inverter motor drives, the HCPL-7840 was designed to ignore very high common
mode transient slew rates (of at least 10 kV/μs).

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HCPL-7840 pdf

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