HCPL-7840-300E

Instrumentation, Op Amps, Buffer Amps Overview

The HCPL-7840-300E is a high-performance optically isolated amplifier manufactured by Broadcom Limited. It operates on dual supply voltages ranging from 4.5V to 5.5V with a typical quiescent current of 15.5mA. The device features an input offset voltage (Vos) of 300µV and provides a gain of 18.48 dB. It utilizes optical isolation technology within an 8-pin DIP package designed for surface mount installation. The component supports a common-mode rejection ratio (CMRR) of 76.1dB 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.
• Delivers precise signal amplification with low input offset voltage characteristics.
• Features high common-mode rejection capability to maintain signal integrity in noisy environments.

Instrumentation, Op Amps, Buffer Amps Applications

• Industrial process control systems requiring accurate sensor signal conditioning
• Medical equipment needing patient isolation and safety compliance
• Data acquisition systems utilizing analog-to-digital conversion interfaces

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify the specific suffix '300E' to confirm the 300µV offset voltage variant, as other suffixes indicate different electrical specifications. Ensure the ordering configuration matches the required surface-mount DIP-8 packaging format. Confirm RoHS compliance status through official documentation before finalizing procurement orders.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component when low input offset voltage is critical for precision applications. Compare against standard variants if higher offset tolerance allows for cost reduction. Verify that the 18.48 dB gain meets system requirements without additional external amplification stages.

Instrumentation, Op Amps, Buffer Amps Part Context

This part belongs to the HCPL series of optically isolated amplifiers produced by Broadcom Limited. It shares the family's core isolation architecture but differs in specific electrical parameters like offset voltage based on its unique suffix designation. The series targets applications demanding reliable analog signal transmission across isolated boundaries.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

HCPL-7840-000E serves as a through-hole alternative within the same series. HCPL-7800A-300E offers similar performance metrics with potential pinout or package differences. Verify functional equivalence and mechanical fit before substituting.