HCPL-7840 Allicdata Electronics
Allicdata Part #:

516-1143-5-ND

Manufacturer Part#:

HCPL-7840

Price: $ 5.77
Product Category:

Integrated Circuits (ICs)

Manufacturer: Broadcom Limited
Short Description: IC OPAMP ISOLATION 100KHZ 8DIP
More Detail: Isolation Amplifier 1 Circuit Differential 8-DIP
DataSheet: HCPL-7840 datasheetHCPL-7840 Datasheet/PDF
Quantity: 772
1 +: $ 5.24790
10 +: $ 4.72437
100 +: $ 3.88464
500 +: $ 3.25468
1000 +: $ 2.83471
Stock 772Can Ship Immediately
$ 5.77
Specifications
Voltage - Input Offset: 300µV
Base Part Number: HCPL-7840
Supplier Device Package: 8-DIP
Package / Case: 8-DIP (0.300", 7.62mm)
Mounting Type: Through Hole
Operating Temperature: -40°C ~ 85°C
Voltage - Supply, Single/Dual (±): 4.5 V ~ 5.5 V
Current - Output / Channel: 15.5mA
Current - Supply: 10.86mA
Series: --
Current - Input Bias: 500nA
-3db Bandwidth: 100kHz
Slew Rate: --
Output Type: Differential
Number of Circuits: 1
Amplifier Type: Isolation
Part Status: Active
Packaging: Tube 
Description

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HCPL-7840 application field and working principle

HCPL-7840 is an optically isolated high voltage digital isolator manufactured by Broadcom. It is a digital optocoupler specifically designed for high voltage isolation of high digital communication, inverter motor control, power supply, and other digital interface applications. The HCPL-7840 is a linear amplifier which belongs to the instrumentation, op amps, and buffer amps category. The HCPL-7840 comes with a selection of isolation resistance, signal bandwidth, supply voltage, and power output ratings, making it suitable for a variety of applications.

Application field

The HCPL-7840 is a linear amplifier that can be used in a variety of industrial and commercial applications. For example, it has been used in solar inverters, renewable energy systems, industrial welding, motor control systems, and high-voltage power supplies, to name just a few. In these applications, the HCPL-7840 provides reliable optical isolation between the input and output circuits, preventing interference and current leakage between the two. Additionally, the high voltage capability of the amplifier offers excellent performance against environmental conditions such as humidity and temperature.

Working Principle

The HCPL-7840 is a linear amplifier that utilizes an optocoupler to provide electrical isolation between the input and output circuits. The optocoupler contains a light emitting diode (LED), an image cell, and a detector transistor. The LED emits light when a voltage is applied to its anode, and the image cell generates a voltage that is proportional to the intensity of the light. This voltage is applied to the emitter and the base of the detector transistor, which then amplifies the signal. This amplified signal can then be applied to the output circuit, which results in an output voltage that is proportional to the input voltage.

Conclusion

The HCPL-7840 is a high voltage digital isolator manufactured by Broadcom. It is a linear amplifier which belongs to the instrumentation, op amps, and buffer amps category and is suitable for a variety of industrial and commercial applications. The HCPL-7840 utilizes an optocoupler to provide reliable electrical isolation between the input and output circuits, enabling it to provide protection against environmental conditions such as humidity and temperature. Overall, the HCPL-7840 is a reliable and robust device, designed to perform in a wide range of applications.

The specific data is subject to PDF, and the above content is for reference

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