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HCPL-7800-500E

Auth: Date:2026/1/27 Source:WECHIP Visit:7 Related Key Words: high-performance high precision wide voltage fast response high isolation

I.Overview of HCPL-7800-500E

The HCPL-7800-500E is a single-channel isolation amplifier that provides electrical isolation between its input and output. Based on advanced optocoupler technology, it supports a wide supply voltage range of 4.5 V to 5.5 V and offers characteristics such as high bandwidth, low input offset voltage, and low input bias current. It is well-suited for analog signal conditioning circuits requiring safety isolation and high signal integrity.

 

II.HCPL-7800-500E Parameter

Category:Integrated Circuits (ICs);Linear;Amplifiers;Instrumentation, Op Amps, Buffer Amps

Mfr:Broadcom Limited

Packaging:Tape & Reel (TR);Cut Tape (CT)

Part Status:Active

Number of Circuits:1

-3db Bandwidth:100 kHz

Current - Input Bias:500 nA

Voltage - Input Offset:300 µV

Current - Supply:10.9mA

Current - Output / Channel:16 mA

Voltage - Supply Span (Min):4.5 V

Voltage - Supply Span (Max):5.5 V

Operating Temperature:-40°C ~ 85°C

Mounting Type:Surface Mount

Package / Case:8-SMD, Gull Wing

Supplier Device Package:8-DIP Gull Wing

Base Product Number:HCPL-7800

 

III.HCPL-7800-500E Main Characteristics

High Electrical Isolation: Built-in optocoupler isolation structure can withstand isolation voltages of several kilovolts, effectively breaking ground loops and suppressing common-mode noise.

High-Precision Signal Amplification: Low input offset voltage (300 µV) and input bias current (500 nA) ensure accurate and reliable signal amplification.

Wide Bandwidth & Fast Response: 100 kHz bandwidth supports undistorted amplification of mid-frequency signals, suitable for dynamic applications like motor control and current sensing.

Wide Supply Voltage & Temperature Range: Supports 4.5 V–5.5 V single-supply operation and industrial-grade operating temperatures from -40°C to 85°C.

Integrated SMT Package: 8-pin gull-wing surface-mount package facilitates automated assembly and saves PCB space.

 

IV.HCPL-7800-500E Application 

Motor Drives & Inverters: Used for three-phase motor current sensing, enabling high-side current sampling and control system isolation.

Industrial Sensor Interfaces: Connects thermocouples, pressure sensors, load cells, etc., to extract weak signals in noisy environments.

Power Monitoring Systems: Implements isolated voltage and current measurements in UPS, inverters, and energy meters to enhance system safety.

Medical Electronic Equipment: Isolates and amplifies biopotential signals in patient monitors, defibrillators, etc., ensuring patient safety.

Test & Measurement Instruments: Provides isolated channels in data acquisition systems and oscilloscope input stages to prevent interference from the device under test.

 

V.Conclusion

The HCPL-7800-500E is a high-performance linear device integrating isolation and amplification functions, combining precision, speed, and reliability. Its outstanding isolation capability and signal conditioning characteristics make it an ideal choice for demanding applications in industrial automation, power energy, and medical instrumentation, significantly improving system safety, noise immunity, and measurement accuracy.


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