HCPL-7840-000E

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HCPL-7840-000E

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  • 제조업체 부품 #HCPL-7840-000E

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사양

속성 가치
Package / Case Tube
Part Status Active
Amplifier Type Isolation
Number of Circuits 1
Output Type Differential
-3 dB Bandwidth 100 kHz
Current - Input Bias 500 nA
Voltage - Input Offset 300 µV
Supply Current 10.86mA
Current - Output / Channel 15.5 mA
Voltage - Supply Span(Min) 4.5 V
Voltage - Supply Span(Max) 5.5 V
Operating Temperature -40°C ~ 85°C
Mounting Type Through Hole

개요

Description

The HCPL-7840-000E is a high-performance isolation amplifier designed for accurate voltage sensing and current measurement in industrial and power applications. It features a high common-mode transient immunity, making it suitable for environments with high electrical noise. The device is built with an optically coupled isolation technology that ensures excellent signal isolation between input and output, maintaining data integrity across different system grounds.
Key specifications include a wide bandwidth, typically up to 100 kHz, and low total harmonic distortion, which contribute to its precise signal processing capability. It operates over a wide temperature range, making it reliable for use in harsh conditions. The HCPL-7840-000E offers a compact surface-mount package, facilitating easy integration into various circuit designs.
Applications for the HCPL-7840-000E include motor control systems, power inverters, and uninterruptible power supplies (UPS), where accurate and reliable signal transmission is crucial. Overall, this isolation amplifier provides a robust solution for engineers looking to ensure safety and performance in electrically noisy environments.

Equivalent

The HCPL-7840-000E is an isolation amplifier used primarily for current sensing and voltage monitoring. Equivalent products include:
1. Silicon Labs Si8920
2. Texas Instruments AMC1200
3. Analog Devices ADuM3190
4. Broadcom ACPL-C79A
5. Toshiba TLP7820
These products provide similar isolation, precision, and functionality, making them suitable alternatives for similar applications. Always check the specific datasheets for compatibility with your design requirements.

Features

The HCPL-7840-000E is an isolation amplifier designed for precision measurements in high-noise environments. Key features include:
1. High Isolation Voltage: Provides galvanic isolation to protect against high voltage surges, with a typical isolation voltage rating of 3,750 Vrms.
2. Wide Bandwidth: Offers a bandwidth of up to 100 kHz, making it suitable for fast signal processing and transmission.
3. High Accuracy: Delivers low nonlinearity and high accuracy with a typical non-linearity of 0.05%.
4. Low Offset Voltage: Features a low input offset voltage, enhancing measurement precision.
5. Good Common-Mode Rejection Ratio (CMRR): Typically offers a CMRR of 130 dB, which reduces the effect of noise from common-mode signals.
6. Low Power Consumption: Consumes minimal power, making it suitable for applications where efficiency is critical.
7. Compact Size: Comes in a small package, allowing for integration into space-constrained designs.
These features make the HCPL-7840-000E ideal for applications like motor control, power inverter feedback, and data acquisition systems where electrical isolation and signal integrity are essential.

Pinout

The HCPL-7840-000E is a precision isolation amplifier designed for current sensing in electronic power converters. It typically has an 8-pin dual in-line package (DIP) configuration. The primary function of this device is to provide electrical isolation and accurate current measurement, which is crucial in power monitoring and control applications.
Here’s a brief overview of its pin functions:
1. VOUT (Pin 1): Output voltage, representing the measured input current.
2. GND1 (Pin 2): Ground connection for the input side.
3. VDD1 (Pin 3): Positive supply voltage for the input side.
4. VIN+ (Pin 4): Non-inverting input for the voltage to be measured.
5. VIN- (Pin 5): Inverting input for the voltage to be measured.
6. GND2 (Pin 6): Ground connection for the output side.
7. VDD2 (Pin 7): Positive supply voltage for the output side.
8. NC (Pin 8): No connection; not used.
This device is used in applications requiring galvanic isolation and accurate current sensing across high voltage potentials.

Manufacturer

The HCPL-7840-000E is manufactured by Broadcom Inc. Broadcom is a global technology company that designs, develops, and supplies a broad range of semiconductor and infrastructure software solutions. The company is known for its diversified product portfolio, which includes data center networking, enterprise software, broadband, wireless, storage, and industrial markets. Broadcom's products are used in various applications across different sectors, including telecommunications, data centers, enterprise storage, and industrial automation. The company has a strong presence in the semiconductor industry and is recognized for its innovations in connectivity and software solutions.

Application

The HCPL-7840-000E is an isolation amplifier primarily used in applications requiring electrical isolation and signal conditioning. Key application areas include:
1. Industrial Automation: For monitoring and controlling processes while maintaining electrical isolation between systems.
2. Power Monitoring: In power conversion systems to ensure safety and accuracy in voltage and current measurements.
3. Motor Control: To provide isolation and feedback in variable speed motor drives.
4. Medical Equipment: For patient safety by isolating patient-connected instruments from the power grid.
5. Data Acquisition Systems: To prevent ground loops and protect sensitive components from high voltage surges.
These applications benefit from the device's high common-mode rejection and isolation voltage capabilities.

Package

The HCPL-7840-000E is an optocoupler with a small outline package (SOP). It typically features a standard dual-in-line package (DIP) configuration, suitable for surface mounting, making it ideal for isolation applications in mixed-signal processing environments.

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