| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| HCPL2531 | Fairchild Semiconductor Corporation | Check for Price | Logic IC Output Optocoupler, 2-Element, 2500V Isolation, 1MBps, DIP-8 | HCPL2531 vs HCPL2531 |
| HCPL-2531 | Quality Technologies Corp | Check for Price | Logic IC Output Optocoupler, 2-Channel, 2-Element, 2500V Isolation, 1MBps | HCPL2531 vs HCPL-2531 |
| HCPL-2531 | QT Optoelectronics | Check for Price | Logic IC Output Optocoupler, 2-Channel, 2-Element, 2500V Isolation, 1MBps | HCPL2531 vs HCPL-2531 |
| HCPL-2531 | Avago Technologies | Check for Price | Logic IC Output Optocoupler, 2-Channel, 2-Element, 3750V Isolation, 1MBps | HCPL2531 vs HCPL-2531 |
| HCPL2531 | onsemi | Check for Price | Logic IC Output Optocoupler, 2-Channel, 2-Element, 2500V Isolation, 1MBps | HCPL2531 vs HCPL2531 |
| HCPL-2531 | Agilent Technologies Inc | Check for Price | Logic IC Output Optocoupler, 2-Channel, 2-Element, 3750V Isolation, 1MBps | HCPL2531 vs HCPL-2531 |
Part Details for HCPL2531 by Texas Instruments
Results Overview of HCPL2531 by Texas Instruments
- Distributor Offerings: (0 listings)
- Number of FFF Equivalents: (6 replacements)
- Tariff Estimator: (Available) NEW
- Number of Functional Equivalents: (10 options)
- CAD Models: (Request Part)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.
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HCPL2531 Information
HCPL2531 by Texas Instruments is an Optocoupler.
Optocoupler are under the broader part category of Optoelectronics.
Optoelectronic components work to detect, generate, and control light. They can essentially produce and/or react to light. Read more about Optoelectronics on our Optoelectronics part category page.
US Tariff Estimator: HCPL2531 by Texas Instruments
Calculations from this tool are estimations only for imports into the United States. Please refer to the distributor or manufacturer and reference official US government sources and authorities to verify any final purchase costs.
HCPL2531 Part Data Attributes
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HCPL2531
Texas Instruments
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Datasheet
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HCPL2531
Texas Instruments
Logic IC Output Optocoupler, 2-Channel, 2-Element, 3000V Isolation, 1MBps
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| Pbfree Code | No | |
| Part Life Cycle Code | Obsolete | |
| Package Description | Dip-8 | |
| HTS Code | 8541.40.80.00 | |
| Additional Feature | Open Collector, Ul Recognized | |
| Configuration | Separate, 2 Channels | |
| Data Rate-Nom | 1 Mbps | |
| Forward Current-Max | 0.025 A | |
| Isolation Voltage-Max | 3000 V | |
| Mounting Feature | Through Hole Mount | |
| Number of Elements | 2 | |
| Number of Functions | 2 | |
| On-State Current-Max | 0.008 A | |
| Operating Temperature-Max | 70 °C | |
| Operating Temperature-Min | ||
| Optoelectronic Device Type | Logic Ic Output Optocoupler | |
| Response Time-Max | 8e-7 S | |
| Response Time-Nom | 6e-7 Ns | |
| Surface Mount | No |
Alternate Parts for HCPL2531
This table gives cross-reference parts and alternative options found for HCPL2531. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of HCPL2531, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.
HCPL2531 Frequently Asked Questions (FAQ)
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Texas Instruments recommends a layout with a small footprint, minimal lead length, and a ground plane to reduce electromagnetic interference (EMI). A 4-layer PCB with a dedicated ground plane is recommended. The input and output pins should be routed away from each other to minimize crosstalk.
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To ensure reliable operation in high-temperature environments, it is essential to follow proper thermal management practices. This includes providing adequate heat sinking, using a thermally conductive PCB material, and ensuring good airflow around the device. The device should be operated within its recommended temperature range of -40°C to 100°C.
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The HCPL-2531 has a common-mode transient immunity of 10 kV/μs, which means it can withstand common-mode transients up to 10 kV with a rise time of 1 μs. However, it is recommended to follow proper layout and grounding practices to minimize the effects of common-mode transients.
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The HCPL-2531 is designed for low-frequency applications up to 1 MHz. While it may work at higher frequencies, its performance may degrade due to increased power consumption and reduced common-mode rejection ratio (CMRR). For high-frequency applications, consider using a high-frequency optocoupler like the ACPL-332J or ACPL-334J.
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The input resistor (R1) value depends on the input signal amplitude and the desired output current. A higher input resistor value reduces the output current, while a lower value increases it. Texas Instruments recommends using a value between 1 kΩ and 10 kΩ. A good starting point is to use a value of 2.2 kΩ and adjust as needed.