Isolation Circuit
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This page explains how Optocoupler / Digital Isolator IC is classified within Computer, Electronic and Optical Product Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.
An electronic component that provides electrical isolation between circuits while transmitting digital signals using light or electromagnetic coupling.
Technical details and manufacturing context for Optocoupler / Digital Isolator IC
| Parameter | Typical range | Notes & selection driver |
|---|---|---|
| Isolation Voltage | 2500–5000 Vrms | Minimum for safety isolationIEC 60747-5-5 |
| Data Rate | 1–150 Mbps | Higher for high-speed digital signals |
| Propagation Delay | 10–100 ns | Critical for timing-sensitive circuits |
| Common-Mode Transient Immunity | 25–100 kV/µs | Resistance to noise in industrial environments |
| Supply Voltage | 3.0–5.5 V | Typical logic supply range |
| Operating Temperature | -40–125 °C | Industrial grade range |
| Output Current | 10–50 mA | Maximum sink/source capability |
| Package Type | SOIC-8–SOIC-16 | Surface mount for compact designs |
| Creepage Distance | 4–8 mm | Ensures safety for high-voltage isolationIEC 60664-1 |
| Channel Count | 1–6 | Number of isolated channels |
Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.
Commonly used trade names and technical identifiers for Optocoupler / Digital Isolator IC.
This component is essential for the following industrial systems and equipment:
| pressure: | Not applicable (solid-state component) |
| other spec: | Isolation voltage: 2.5kV to 7.5kV RMS, Data rate: 1 Mbps to 150 Mbps, Supply voltage: 2.25V to 5.5V |
| temperature: | -40°C to +125°C (operating range, varies by model) |
Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.
Quoted from the published standard.
Manufacturer profiles associated with Optocoupler / Digital Isolator IC.
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A practical evidence checklist for RFQ preparation and supplier evaluation.
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Optocouplers use light (LED and photodetector) for isolation, while digital isolators use capacitive or magnetic coupling. Both provide galvanic isolation, but digital isolators often offer higher speed and better reliability.
Typical isolation voltage ranges from 2500 to 5000 Vrms, as per IEC 60747-5-5. Always verify the specific model's rating with the manufacturer.
Consider the maximum digital signal frequency. The data rate range is 1–150 Mbps. Select a device with a data rate higher than your signal's maximum to ensure reliable transmission.
It measures the device's ability to reject fast voltage transients between input and output grounds. A higher value (25–100 kV/µs) indicates better noise immunity in industrial environments.
Editorial classification, named public sources where available, and source-reviewed manufacturer records.
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