HCPL-061A

Logic Output Optoisolators Overview

The HCPL-061A is a high-speed, single-channel optocoupler featuring an open collector output. It operates with a typical data rate of 10 MBd and supports a forward current of 4 mA. The device provides an insulation voltage of 3750 Vrms and utilizes an SOIC-8 surface mount package. Key timing parameters include a rise time of 42 ns and a fall time of 12 ns. The forward voltage is specified at 1.3 V, ensuring compatibility with standard logic families while maintaining high-speed signal integrity.

Logic Output Optoisolators Feature Summary

• Provides high-speed optical isolation with a typical data rate of 10 MBd for rapid signal transmission.
• Features an open collector output configuration compatible with HCMOS, LSTTL, and TTL logic families.
• Delivers robust electrical isolation with a rated insulation voltage of 3750 Vrms.
• Designed for low-power operation with a forward current specification of 4 mA.

Logic Output Optoisolators Applications

• Industrial control systems requiring high-speed signal isolation
• Power supply feedback loops for isolated monitoring
• Communication interfaces between microcontrollers and peripheral devices

Logic Output Optoisolators Procurement Notes

Verify the specific ordering suffix to confirm packaging type, such as tube or reel configurations, as these affect handling procedures. Ensure compliance with RoHS directives if required by the manufacturing process. Confirm that the SOIC-8 footprint matches the PCB design constraints. Validate that the operating temperature range meets the environmental requirements of the target application before finalizing procurement orders.

Logic Output Optoisolators Selection Notes

Select this component when high-speed digital isolation is required between circuits with different ground potentials. The open collector output necessitates an external pull-up resistor; ensure the resistor value aligns with the desired switching speed and load current. Verify that the input forward current does not exceed maximum ratings to prevent device degradation. Consider thermal management requirements if multiple units are placed in close proximity on the board.

Logic Output Optoisolators Part Context

The HCPL-061A belongs to the Broadcom HCPL-261A family of optically coupled gates. This family offers benefits similar to industry-standard components like the 6N137 but in a surface-mount package. The series is designed to provide reliable performance in applications demanding fast response times and strong galvanic isolation between input and output stages.

Logic Output Optoisolators Replacement Considerations

Direct replacements within the same family include HCPL-261A, HCPL-063A, and HCPL-263A. These variants share similar pinouts and functional characteristics but may differ in specific electrical parameters or packaging options. Always verify datasheet specifications for any substitute part to ensure compatibility with existing circuit designs and performance requirements.