HCPL-7840#500

Instrumentation, Op Amps, Buffer Amps Overview

The HCPL-7840#500 is a single-channel optically isolated amplifier manufactured by Broadcom Limited. It operates within a supply voltage range of 4.5 V to 5.5 V and features an 8-pin DIP package with through-hole mounting. The device provides high isolation performance with a rated insulation voltage of 3750 Vrms and a bandwidth of 100 kHz. Key electrical characteristics include a common-mode rejection ratio (CMRR) of 76.1 dB, an input offset voltage (Vos) of 300 uV, and a typical gain of 8 V/V. It draws a working power supply current of 15.5 mA and functions reliably across an operating temperature range from -40°C to +85°C.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• Provides galvanic isolation between input and output circuits using optical transmission technology.
• Converts analog input signals into digital outputs via an integrated Analog-to-Digital Converter (ADC).
• Maintains signal integrity in noisy environments through high common-mode rejection capabilities.

Instrumentation, Op Amps, Buffer Amps Applications

• Industrial process control systems requiring precise analog signal transmission.
• Power electronics monitoring and protection circuits.
• Medical equipment needing strict patient isolation standards.

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify the specific suffix designation carefully, as variations such as #500 may indicate distinct packaging or revision statuses compared to standard E-suffix parts. Confirm RoHS compliance details directly with the manufacturer or authorized distributors, as historical data suggests potential non-compliance for certain legacy suffixes. Ensure the DIP-8 through-hole package aligns with your PCB footprint requirements before finalizing procurement orders.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component when high-speed analog isolation with digital output is required. The 100 kHz bandwidth supports dynamic signal processing applications. Consider the 300 uV input offset voltage for precision requirements. The 8-pin DIP form factor facilitates easy prototyping and replacement in existing through-hole designs. Evaluate the 15.5 mA supply current against system power constraints.

Instrumentation, Op Amps, Buffer Amps Part Context

This part belongs to the HCPL series of optically isolated amplifiers from Broadcom. It serves as a bridge between low-voltage analog sensors and digital processing units while maintaining electrical safety barriers. The series is designed for robust performance in electrically noisy industrial environments, offering a compact solution for signal conditioning and isolation tasks.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Cross-referencing with similar HCPL-7840 variants requires verification of specific suffix differences regarding packaging and compliance status.