HCPL-7840#560

Instrumentation, Op Amps, Buffer Amps Overview

The HCPL-7840 is a high-speed optically isolated amplifier manufactured by Broadcom Limited. It operates within a supply voltage range of 4.5 V to 5.5 V and draws a typical operating current of 15.5 mA. The device provides an open-loop gain of 18.48 dB and features an input offset voltage (Vos) of 2 mV. Packaged in an 8-pin DIP format for through-hole mounting, it utilizes optical isolation technology to ensure signal integrity across electrical boundaries.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• Provides galvanic isolation between input and output circuits using optical transmission.
• Delivers precise analog signal amplification with defined open-loop gain characteristics.
• Designed for high-speed operation suitable for demanding industrial applications.

Instrumentation, Op Amps, Buffer Amps Applications

• Industrial process control systems requiring isolated sensor interfaces
• Medical equipment needing patient isolation protection
• Power electronics monitoring circuits

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify the specific suffix code against official datasheets to confirm package type and pinout configuration. Ensure compatibility with existing PCB footprints and thermal management requirements. Confirm RoHS compliance status if required by regional regulations. Validate that the selected variant matches the intended mounting style and voltage specifications for the target application.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component when high-speed analog isolation is required with minimal signal distortion. Consider the 18.48 dB gain and low offset voltage for precision applications. Evaluate the DIP-8 package constraints against available board space. Compare power consumption and isolation voltage ratings against system safety standards before finalizing the design choice.

Instrumentation, Op Amps, Buffer Amps Part Context

This part belongs to the HCPL series of optocouplers from Broadcom Limited. The series is known for providing reliable isolation solutions in various electronic designs. The HCPL-7840 specifically addresses the need for amplified isolated signals, distinguishing itself from standard digital isolators by its analog performance capabilities.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

Check for direct cross-references in Broadcom's compatibility guides. Verify pin-to-pin compatibility and electrical parameter equivalence before substituting. Ensure any alternative maintains the same isolation voltage rating and gain characteristics.