HCPL-7800A-500E

Instrumentation, Op Amps, Buffer Amps Overview

The HCPL-7800A-500E is a single-channel optically isolated amplifier manufactured by Broadcom Limited. It operates on dual power supplies ranging from 4.5V to 5.5V and features a bandwidth of 100 kHz with a fixed gain of 8 V/V. Key electrical parameters include an input offset voltage (Vos) of 300 µV, a common-mode rejection ratio (CMRR) of 76 dB, and an isolation voltage of 3750 Vrms. The device utilizes advanced Sigma-Delta A/D converter technology and fully differential circuit topology for high accuracy. It is housed in an 8-pin DIP Gull Wing package suitable for surface mount installation.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• Integrates advanced Sigma-Delta analog-to-digital converter technology for precise signal processing
• Employs fully differential circuit topology to ensure high stability and linearity under severe noise conditions
• Provides robust electrical isolation via optical coupling to protect sensitive control circuits

Instrumentation, Op Amps, Buffer Amps Applications

• Current sensing in electronic motor drives
• Voltage sensing in inverter systems
• Switched mode power supply signal isolation
• General-purpose current monitoring applications

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify the suffix '500E' confirms the reel or cut tape packaging format required for surface mount assembly processes. Ensure the component matches the specific HCPL-7800A variant rather than through-hole versions like HCPL-7800#300. Confirm RoHS compliance status and check for any recent product change notices that may affect pinout or specifications before finalizing procurement orders.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component when high accuracy and stability are required in noisy industrial environments. The fixed gain of 8 V/V and low input offset voltage make it suitable for precision measurement tasks. Consider the 100 kHz bandwidth and 3750 Vrms isolation rating against system requirements. Verify compatibility with dual supply voltages between 4.5V and 5.5V during the design phase.

Instrumentation, Op Amps, Buffer Amps Part Context

This part belongs to the HCPL-78xx series of optically isolated amplifiers designed for industrial applications. It serves as a specialized solution for isolating analog signals in power electronics. The series leverages proprietary semiconductor processes to achieve high common-mode rejection and low drift characteristics essential for reliable operation in demanding electrical environments.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

HCPL-7800#300 is a similar device within the same family but utilizes a through-hole DIP-8 package instead of surface mount. Verify package compatibility and mounting method differences before substitution.