Broadcom (HCPL-788J-000E) Isolation Amplifier, Optically, UL Recognised,
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  • Broadcom (HCPL-788J-000E) Isolation Amplifier, Optically, UL Recognised,

Broadcom (HCPL-788J-000E) Isolation Amplifier, Optically, UL Recognised,

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Broadcom (HCPL-788J-000E) Isolation Amplifier, Optically, UL Recognised,

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Isolation Amplifier, Optically, UL Recognised, 1 Amplifier, 3 mV, 3.75 kV, 4.5V to 5.5V, SOIC 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 No. of Amplifiers: 1 Amplifier Input Offset Voltage: 3mV Isolation Voltage: 3.75kV Supply Voltage Range: 4.5V to 5.5V Amplifier Case Style: SOIC No. of Pins: 16Pins Bandwidth: 30kHz Operating Temperature Min: -40°C Operating Temperature Max: 85°C

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