Broadcom

HCPL-7851

HCPL-7851 Description

The HCPL-7851 is an active isolation amplifier designed by Broadcom Limited, a leading manufacturer in the electronics industry. This device is optimized for high performance and reliability in various applications. The HCPL-7851 features a differential output type and is housed in a through-hole package, specifically an 8DIP tube, making it suitable for a wide range of industrial and commercial applications. With a supply voltage span ranging from 4.5 V to 5.5 V, the HCPL-7851 ensures stable operation across different power supply conditions. The amplifier is designed to operate with a low input bias current of 570 nA and a supply current of 10.7 mA, contributing to its efficiency and minimal power consumption.

HCPL-7851 Features

• Isolation Amplifier: The HCPL-7851 is an isolation amplifier, providing galvanic isolation between input and output circuits. This feature is crucial for protecting sensitive electronics from high voltage spikes and ensuring signal integrity.
• Differential Output: The differential output type enhances noise immunity and common-mode rejection, making the HCPL-7851 ideal for applications where high signal fidelity is required.
• Wide Supply Voltage Range: With a supply voltage range of 4.5 V to 5.5 V, the HCPL-7851 can operate efficiently across a variety of power supply conditions, ensuring robustness and reliability.
• Low Input Bias Current: The low input bias current of 570 nA minimizes the impact on the input signal source, preserving signal accuracy and integrity.
• High Bandwidth: The -3dB bandwidth of 100 kHz ensures that the amplifier can handle a wide range of signal frequencies, making it suitable for both low and high-frequency applications.
• Low Input Offset Voltage: The low input offset voltage of 600 µV ensures accurate signal amplification and minimal distortion, critical for precision applications.
• Compliance and Reliability: The HCPL-7851 is REACH unaffected and ROHS3 compliant, ensuring that it meets the highest environmental and safety standards. Additionally, its moisture sensitivity level (MSL) of 1 (unlimited) makes it suitable for a variety of environmental conditions.

HCPL-7851 Applications

The HCPL-7851 is ideal for applications requiring high isolation and signal integrity. Some specific use cases include:

• Industrial Control Systems: The HCPL-7851's isolation capabilities make it suitable for protecting control systems from high voltage spikes and ensuring reliable operation in harsh industrial environments.
• Medical Equipment: In medical devices, the HCPL-7851 can be used to isolate sensitive electronic components from high voltage sources, ensuring patient safety and equipment reliability.
• Power Management Systems: The amplifier's wide supply voltage range and low power consumption make it ideal for power management applications where efficiency and reliability are paramount.
• Signal Conditioning: The HCPL-7851's differential output and high bandwidth make it suitable for signal conditioning applications, where accurate and noise-free signal transmission is essential.

Conclusion of HCPL-7851

The HCPL-7851 isolation amplifier from Broadcom Limited stands out for its robust performance and reliability. Its unique features, such as differential output, wide supply voltage range, and low input bias current, make it a versatile and efficient solution for various applications. The HCPL-7851's compliance with environmental and safety standards further enhances its appeal in the electronics industry. Whether used in industrial control systems, medical equipment, or power management applications, the HCPL-7851 delivers high performance and reliability, making it a preferred choice for engineers and designers.