Broadcom Isolation Amplifier 8-Pin DIP-8, 5.5V Max, 3750Vrms Isolation Voltage, HCPL-7800-300E

The Broadcom HCPL-7800-300E isolation amplifier is an advanced electronic component engineered for high-precision measurements and ensuring safe galvanic isolation between control circuitry and high-voltage environments. In a compact 8-pin DIP package, this device is well-suited for integration into a variety of industrial and power electronics systems where reliable signal transfer and safety compliance are paramount.

This Isolation Amplifier operates with a supply voltage range from 4.5V to 5.5V, making it compatible with contemporary low-voltage control systems. Its 3750Vrms isolation rating meets stringent international standards, providing robust protection against electrical transients and ensuring operator safety in critical applications. The device’s low offset voltage of 0.3mV and high common mode rejection ratio of 76dB deliver exceptional signal integrity even in electrically noisy environments.

The HCPL-7800-300E supports both through-hole and surface mount installation, providing design flexibility for diverse PCB layouts and automated assembly processes. Its small size (9.8mm length, 1.78mm height) allows for high-density layouts without sacrificing reliability or performance. With an operational temperature range spanning -40°C to 100°C, this amplifier is suitable for harsh industrial conditions, including motor drives, power inverters, and voltage/current sensing in power conversion systems.

Applications for the HCPL-7800-300E include phase current and bus voltage measurement in motor drives, accurate signal isolation in power inverters, and high-voltage signal monitoring in general isolation circuits.

For engineers prioritizing secure data transmission in the presence of high voltages and electromagnetic interference, the HCPL-7800-300E’s compliance with IEC/EN/DIN EN 60747-5-2, CSA, and UL 1577 safety standards confirms its suitability for regulated markets. It is a reliable alternative to Hall Effect isolation solutions and is particularly favored in industrial automation, renewable energy systems, power supply monitoring, and multiple instrumentation projects.

In summary, whether deployed in demanding industrial drives, renewable energy platforms, or precision power measurement instrumentation, the Broadcom HCPL-7800-300E delivers consistent performance, robust isolation, and ease of integration. Its range of approvals, compact design, and electrical characteristics make it an essential component for engineers building reliable and safe industrial electronic systems.

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