HCPL-7800#300

Instrumentation, Op Amps, Buffer Amps Overview

The HCPL-7800#300 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 100 kHz bandwidth, 76 dB common-mode rejection ratio, and 3750 Vrms isolation voltage. Key electrical parameters include a maximum input offset voltage of 300 µV, a gain of 8 V/V, and a typical operating current of 16 mA. It is housed in an 8-pin DIP Gull Wing package suitable for through-hole mounting.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• Utilizes advanced Sigma-Delta A/D converter technology for high accuracy and stability.
• Employs fully differential circuit topology to ensure linearity under severe noise conditions.
• Provides high common-mode rejection capability for reliable signal isolation.

Instrumentation, Op Amps, Buffer Amps Applications

• Current sensing in electronic motor drives
• Voltage sensing in electronic motor drives
• Inverter current sensing
• Switched mode power supply signal isolation

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify the specific suffix #300 against the official datasheet to confirm packaging details, as distributor listings may vary. Ensure compatibility with the required 4.5 V to 5.5 V supply range and DIP-8 through-hole mounting style. Confirm RoHS status and safety approvals such as UL 1577 or CSA if required for your specific application compliance.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component when high accuracy and stability are required for analog signal isolation in noisy environments. The 100 kHz bandwidth and low input offset voltage make it suitable for precision applications. Consider the 8 V/V gain and fully differential topology for direct interface with sensor outputs without additional amplification stages.

Instrumentation, Op Amps, Buffer Amps Part Context

This part belongs to the HCPL series of optically isolated amplifiers from Broadcom. These devices are designed for general-purpose current and voltage sensing where galvanic isolation is critical. The series leverages optical coupling to provide robust noise immunity and high common-mode transient resistance.

Instrumentation, Op Amps, Buffer Amps FAQ

What is the common-mode rejection ratio of the HCPL-7800?

The HCPL-7800 offers a common-mode rejection ratio of 76 dB.

Does the HCPL-7800 support surface mount installation?

The HCPL-7800#300 variant is specified for through-hole mounting in a DIP-8 Gull Wing package.