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HCPL2631 is listed in the Logic Output Optoisolators range at ChipApex. The manufacturer field lists onsemi. Its product description is LOGIC IC OUTPUT OPTOCOUPLER, 2-E. Review the specifications below when checking this part for your BOM.
Logic Output Optoisolators specifications for HCPL2631
- Description：LOGIC IC OUTPUT OPTOCOUPLER, 2-E
- Series：*
- Mfr：onsemi
- Package：Bulk
- Number of Channels：-
- Inputs - Side 1/Side 2：-
- Voltage - Isolation：-
- Common Mode Transient Immunity (Min)：-
- Input Type：-
- Output Type：-
- Current - Output / Channel：-
- Data Rate：-
- Propagation Delay tpLH / tpHL (Max)：-
- Rise / Fall Time (Typ)：-
- Voltage - Forward (Vf) (Typ)：-
- Current - DC Forward (If) (Max)：-
- Voltage - Supply：-
- Operating Temperature：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Grade：-
- Qualification：-
Logic Output Optoisolators datasheet and documents for HCPL2631
Logic Output Optoisolators Overview
The HCPL2631 is a dual-channel high-speed logic gate output optocoupler manufactured by onsemi. It features a data rate of 10 MBit/s and a minimum common mode transient immunity (CMR) of 5 kV/μs. The device operates with a supply voltage range of 4.5V to 5.5V and supports an output current of 50 mA per channel. It utilizes an open collector output configuration and functions within a temperature range of -40°C to +85°C. The component is housed in an 8-pin PDIP package.
Logic Output Optoisolators Feature Summary
- Dual-channel architecture for simultaneous signal isolation
- High-speed data transmission capability up to 10 MBit/s
- Open collector output design enabling wired OR functionality
- Superior common mode transient immunity for noise rejection
Logic Output Optoisolators Applications
- Ground loop elimination in industrial systems
- Data multiplexing applications
- Logic gate interfacing between isolated circuits
Logic Output Optoisolators Procurement Notes
Verify the specific manufacturer source, as the HCPL2631 has been discontinued by Fairchild Semiconductor and is marked as not recommended for new designs by onsemi. Confirm availability through authorized distributors or surplus suppliers. Ensure the replacement part number HCPL26xxM is considered for any new engineering projects to maintain long-term supply chain stability.
Logic Output Optoisolators Selection Notes
Select this component only for legacy system maintenance or repair where the original design specifications require exact pinout and electrical characteristics. For new designs, evaluate the HCPL26xxM series as the designated equivalent. Consider the open collector output type when designing pull-up resistor networks and verify that the 5 kV/μs CMR meets the noise environment requirements of the application.
Logic Output Optoisolators Part Context
This component belongs to the HCPL-26xx family of high-speed optocouplers from onsemi and its predecessor Fairchild Semiconductor. The family includes variants like the HCPL-2601 and HCPL-2611, which differ primarily in their common mode transient immunity ratings. The HCPL2631 specifically provides dual-channel isolation with logic gate outputs, distinguishing it from single-channel or transistor-output alternatives within the same product line.
Logic Output Optoisolators Replacement Considerations
onsemi recommends using the HCPL26xxM series as the direct equivalent part number. Verify pin compatibility and electrical parameters against the target datasheet before substitution.
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