HCPL3700M

Transistor, Photovoltaic Output Optoisolators Overview

The HCPL3700M is a logic output optocoupler designed for AC/DC to logic interface applications. It integrates an AlGaAs LED with a threshold sensing input buffer IC and a high-gain Darlington output. Key electrical parameters include a maximum propagation delay of 40 us, rise time of 20 us, and fall time of 300 ns. The device offers an isolation voltage of 5000 Vrms and supports a maximum continuous output current of 30 mA. It operates within a temperature range of 0°C to +70°C and is housed in an 8-pin PDIP package.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Integrates a programmable threshold detection input buffer IC with an AlGaAs LED for flexible voltage or current sensing.
• Features a high-gain Darlington transistor output compatible with TTL and CMOS logic levels.
• Provides high-speed signal transmission with optimized rise and fall times for reliable data integrity.
• Ensures stable threshold performance across the specified industrial operating temperature range.

Transistor, Photovoltaic Output Optoisolators Applications

• Low voltage detection circuits
• AC/DC voltage detection within 5V to 240V ranges
• Relay contact monitoring systems
• Current sensing interfaces
• Microprocessor interface circuits

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix against the manufacturer's latest documentation to confirm package type and tape/reel specifications. Confirm RoHS compliance status and lead times directly with authorized distributors. Ensure the procurement channel provides valid traceability for this component series.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when a single-channel interface requires programmable threshold detection for AC or DC signals. It is suitable for designs needing galvanic isolation between high-voltage inputs and low-voltage logic outputs. Consider the 5000 Vrms isolation rating for safety-critical industrial control applications.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the HCPL3700M series of AC/DC to Logic Interface Optocouplers manufactured by onsemi. It is distinct from surface mount variants such as the HCPL3700SDVM and legacy versions produced by Broadcom. The device serves as a specialized solution for threshold-based switching rather than general-purpose digital isolation.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material. Verify compatibility with alternative logic optocouplers based on pinout and threshold characteristics if direct substitution is required.