HCPL-7800

Instrumentation, Op Amps, Buffer Amps Overview

The HCPL-7800 is a single-channel optically isolated amplifier designed for high-precision analog signal isolation. It features a 100 kHz bandwidth, 3750 VRMS isolation voltage, and operates on a 4.5 V to 5.5 V supply. Key electrical parameters include a 76 dB common-mode rejection ratio (CMRR), 0.3 mV input offset voltage, and 0.004% nonlinearity. The device utilizes advanced Sigma-Delta A/D converter technology with a fully differential circuit topology.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• Advanced Sigma-Delta A/D converter technology ensures high accuracy and stability under severe noise conditions.
• Fully differential circuit topology provides robust performance for sensitive analog applications.
• High common-mode rejection capability supports reliable operation in electric motor drive environments.

Instrumentation, Op Amps, Buffer Amps Applications

• Current sensing in electronic motor drives
• Voltage sensing in inverter systems
• Switched mode power supply signal isolation

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify the specific suffix code against official datasheets to confirm package type and pin configuration. Ensure compatibility with system voltage requirements and thermal management needs. Confirm safety certifications such as UL 1577 or CSA are required for the target application's regulatory compliance.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component when high linearity and low drift are critical for analog signal transmission across isolation barriers. Consider the DIP-8 through-hole package for standard assembly processes. Evaluate the 100 kHz bandwidth against the signal frequency requirements of the specific application.

Instrumentation, Op Amps, Buffer Amps Part Context

This part belongs to the Broadcom HCPL series of optocouplers and isolated amplifiers. It represents a specialized solution for industrial and automotive-grade isolation where traditional optocouplers lack sufficient linearity or speed for precise analog control loops.

Instrumentation, Op Amps, Buffer Amps FAQ

What technology does the HCPL-7800 use for signal conversion?

It utilizes advanced Sigma-Delta (Σ-∆) A/D converter technology combined with a fully differential circuit topology.

What is the maximum operating temperature?

The maximum operating temperature is 100°C.