Broadcom ACNT-H87B-500E Optocoupler Surface Mount 8-Pin 230mA Max Input Current -40°C to 110°C ACNT-H87B-500E

Broadcom ACNT-H87B-500E optocoupler is a high-precision, surface-mounted optical isolation amplifier designed for accurate voltage sensing with optical isolation. It comes in a compact 15-mm stretched SO-8 package with 8 pins, making it well suited for electronic component mounting on PCBs.

This device targets applications in industrial electronic power conversion, motor drives, and renewable energy systems, where isolated voltage measurement is critical for safety and system performance. It achieves a 2V nominal input range and a very high 1 GΩ input impedance, allowing precise sensing with minimal loading of the source voltage.

The ACNT-H87B-500E employs advanced sigma-delta (Σ - Δ) modulation technology, ensuring high gain accuracy of unity gain at 1V/V with a tolerance of ±0.5%. It delivers reliable performance over a wide temperature range from -40°C to 110°C, making it suitable for demanding industrial environments.

Additional features include a wide output supply voltage range from 3V up to 55V, an active-high shutdown pin for efficient power control, and a high immunity to common-mode transients rated at 15 kV/μs. The optocoupler is RoHS compliant, meeting environmental and safety regulations.

Typical implementations involve using a resistive voltage divider on the DC-link to scale voltages within the sensor’s input range, allowing safe, isolated measurement outputs. This makes it ideal for power electronics where galvanic isolation is essential.

Designed for isolated voltage sensing in electronic power converters. Features a 2V nominal input range with high input impedance for precise voltage measurement. Compact 15-mm Stretched SO-8 package suitable for surface mounting.

Provides high gain accuracy with unity gain 1V/V and ±0.5% tolerance. Wide supply voltage range on the output side from 3V to 55V. Operating temperature range from -40°C up to 110°C for harsh environments. High common-mode transient immunity of 15 kV/μs ensuring noise resistance.

RoHS compliant meeting environmental standards. Incorporates an active-high shutdown pin for power management.

This Broadcom optocoupler is an excellent choice for industrial, renewable energy, motor drive, and power conversion applications requiring precise, isolated voltage measurements with high reliability and compact form factor.

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