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Description
The HCPL-7860-300E is a 1-channel 8-pin surface-mount optically isolated Sigma-Delta (S-D) Modulator allows direct measurement of motor phase currents in power inverters. In operation, the isolated modulator (optocoupler with 3750VRMS dielectric withstand voltage rating) converts a low bandwidth analogue input into a high-speed one-bit data stream by means of a Sigma-Delta (Σ-?) over-sampling modulator. This modulation provides for high noise margins and excellent immunity against isolation-mode transients. The modulator data and on-chip sampling clock are encoded and transmitted across the isolation boundary where they are recovered and decoded into separate high-speed clock and data channels.
Title
Optocoupler, Optically Isolated Amplifiers, 1 Channel, Surface Mount DIP, 8 Pins, 3.75 kV, 18 kHz
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The parameters and performance indicators of this product are sourced from the internet. In case of discrepancies, please refer to the manufacturer's technical specifications!！
Preview of the first 3 pages of the data sheet
| QUANTITY | UNIT PRICE | PLUS UNIT PRICE | TOTAL PRICE |
|---|---|---|---|
| ≥1: | US $1.89000 | US $1.70100 | US $1.70100 |
| ≥5: | US $1.26000 | US $1.13400 | US $5.67000 |
| ≥10: | US $1.13400 | US $1.02060 | US $10.20600 |
| ≥20: | US $1.10250 | US $0.99225 | US $19.84500 |
| ≥50: | US $1.07100 | US $0.96390 | US $48.19500 |
| ≥100: | US $1.03950 | US $0.93555 | US $93.55500 |
| ≥200: | US $1.00800 | US $0.90720 | US $181.44000 |
| ≥500: | US $0.99540 | US $0.89586 | US $447.93000 |
| ≥1000: | US $0.97650 | US $0.87885 | US $878.85000 |
Substitute (equivalent) Product
| Substitute Product Name | Description |
|---|---|
| HCPL-7840-300E | Isolation amplifier, surface mount, similar functionality and pin configuration. |
| ACPL-C79B-000E | Optical isolation amplifier with high accuracy and stability, ideal for industrial applications. |
| HCPL-788J-000E | Isolation amplifier with integrated overload detection circuit, suitable for safety-critical applications. |
| ISO124P | High precision isolation amplifier with dual power supply operation, good for analog signal isolation. |
| AMC1200 | Precision isolation amplifier with low input bias current and wide common-mode voltage range. |
Product Usage
The HCPL-7860-300E is a precision isolation amplifier typically used in applications that require high accuracy and isolation between input and output. Here are some typical circuits and applications where the HCPL-7860-300E might be used:
Industrial Control Systems: In these systems, the need for isolation to protect against high voltages and noise is crucial. The HCPL-7860-300E can be used to isolate analog signals from sensors and other devices in various industrial control applications.
Power Monitoring and Management: The HCPL-7860-300E can be used in circuits designed for power monitoring and energy management systems, where it isolates and accurately transmits power parameters like voltage and current.
Medical Equipment: Isolation is critical in medical devices to protect patients and operators from electrical shocks. The HCPL-7860-300E can be used in circuits that process low-level, high-impedance signals in medical instrumentation.
Data Acquisition Systems: In data acquisition systems, isolation amplifiers like the HCPL-7860-300E protect data acquisition hardware from harmful voltage spikes and provide accurate signal representation.
Motor Control: For motor control applications, especially in industrial environments, the HCPL-7860-300E provides isolation between the high-voltage motor drives and the low-voltage control circuitry.
Instrumentation and Measurement Systems: In precision measurement systems, the HCPL-7860-300E ensures that the measurements are accurate and immune to noise by providing a high level of signal isolation.
Power Metering Application
Current Sensing: A current transformer (CT) or a shunt resistor is used to sense the current flowing through a conductor. The low-level signal generated by the CT or shunt is fed into the input of the HCPL-7860-300E.
Voltage Sensing: A resistive divider is typically used to step down high voltage to a lower, more manageable voltage level. The signal is then fed into another HCPL-7860-300E input.
Precision Isolation: The HCPL-7860-300E isolates these sensed signals from the high-voltage input environment, protecting the microcontroller or other downstream processing circuits.
Signal Processing: The isolated and accurately amplified signals are then fed into an ADC (Analog-to-Digital Converter) of a microcontroller for further processing, such as calculating power, energy consumption, or other parameters.
When using the HCPL-7860-300E, care must be taken in the design to ensure that the input signal levels, power supplies, and other components match the specifications and requirements of the HCPL-7860-300E to achieve optimal performance.
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HCPL-7860-300E
HCPL-7860-300E has several brands around the world that may have alternate names for HCPL-7860-300E due to regional differences or acquisition. HCPL-7860-300E may also be known as the following names:
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