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HCPL-788J-000E

Isolation Amplifier, Optically, 1 Amplifier, 3 mV, 3.75 kV, 4.5V to 5.5V, SOIC, 16 Pins

BROADCOM HCPL-788J-000E

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Manufacturer:
BROADCOM BROADCOM
Manufacturer Part No:
HCPL-788J-000E
Newark Part No.:
31K7067
Technical Datasheet:
HCPL-788J-000E   Datasheet
See all Technical Docs

Product Overview

The HCPL-788J-000E is an Isolation Amplifier with short-circuit and overload detection makes motor phase current sensing compact, affordable and easy-to-implement while satisfying worldwide safety and regulatory requirements. A larger analogue output voltage is created on the other side of this optical isolation barrier. The output voltage is proportional to the motor current and can be connected directly to a single-supply A/D converter. A digital over-range output (FAULT) and an analogue rectified output (ABSVAL) are also provided. The wire OR-able over-range output (FAULT) is useful for quick detection of short circuit conditions on any of the motor phases. The wire-OR-able rectified output, simplifies measurement of motor load since it performs poly-phase rectification. Since the common-mode voltage swings several hundred volts in tens of nanoseconds in modern electronic motor drives, this was designed to ignore very high common-mode transient slew rates (10kV/µs).
  • Output voltage directly compatible with A/D converters (0V to VREF)
  • Fast (3µs) short circuit detection with transient fault rejection
  • Absolute value signal output for overload detection
  • 1µV/°C Offset change vs. temperature
  • 25kV/µs Isolation transient immunity

Applications

Motor Drive & Control, Power Management, Sensing & Instrumentation, Test & Measurement, Industrial

Product Information

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:
1 Amplifier

:
3mV

:
3.75kV

:
4.5V to 5.5V

:
SOIC

:
16Pins

:
30kHz

:
-

:
-40°C

:
85°C

:
-

:
-
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Technical Docs (3)

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