HCPL-7840-500E

Instrumentation, Op Amps, Buffer Amps Overview

The HCPL-7840-500E is a single-channel optically isolated amplifier manufactured by Broadcom Limited. It features an analog-to-digital converter output and operates within a supply voltage range of 4.5 V to 5.5 V. The device provides a gain of 8 V/V with a bandwidth of 100 kHz. Key electrical specifications include an input offset voltage of 300 uV, a common-mode rejection ratio of 76.1 dB, and an isolation voltage of 3750 Vrms. It draws a typical operating supply current of 15.5 mA and is housed in an 8-pin DIP package.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• Provides galvanic isolation between input and output circuits using optical transmission technology.
• Integrates an analog-to-digital converter for direct digital interface capability.
• Delivers high common-mode rejection to maintain signal integrity in noisy environments.

Instrumentation, Op Amps, Buffer Amps Applications

• Industrial process control systems requiring precise signal isolation
• Medical equipment needing patient safety isolation barriers
• Power electronics monitoring and protection circuits

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify the suffix '500E' confirms the reel packaging format required for surface-mount assembly processes. Confirm that the 8-pin DIP footprint matches the target PCB design. Ensure the 4.5 V to 5.5 V supply voltage range aligns with the system power architecture. Check for RoHS compliance status if environmental regulations apply to the final product deployment.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component when a combined isolation amplifier and ADC function is required in a compact form factor. The 100 kHz bandwidth suits applications involving moderate-speed data acquisition. Consider the 300 uV input offset voltage for precision requirements. Evaluate the 3750 Vrms isolation rating against the specific safety standards mandated by the end-use industry regulations.

Instrumentation, Op Amps, Buffer Amps Part Context

This part belongs to the HCPL series of optically isolated amplifiers from Broadcom Limited. It serves as a specialized solution for bridging low-voltage digital domains with higher-voltage analog signals. The device integrates both the emitter and detector components along with signal conditioning circuitry into a single monolithic structure.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

HCPL-7840-300E offers identical electrical performance but utilizes tube packaging instead of reel packaging.