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ISOM8710DFFR is listed in the Logic Output Optoisolators range at ChipApex. The manufacturer field lists Texas Instruments. Its product description is DC INPUT LOGIC OUTPUT SINGLE-C. Review the specifications below when checking this part for your BOM.
The ISOM8710DFFR is a single-channel high-speed optocoupler emulator manufactured by Texas Instruments. It features a diode-emulator input and logic output, designed as a drop-in replacement for industry-standard digital optocouplers. The device supports data rates up to 25Mbps with a maximum propagation delay of 52ns and pulse width distortion of 17ns. It provides robust isolation with a 3750Vrms rating and common-mode transient immunity of 125kV/µs. Packaged in a 5-pin DFF SOIC, it operates within a temperature range suitable for industrial applications.
Verify the specific ordering suffix DFFR confirms the 5-pin SOIC package and tape-and-reel packaging configuration. Ensure compatibility with existing PCB footprints designed for standard 5-pin optocouplers. Confirm that the diode-emulator input interface aligns with the driving circuit design, as it differs from traditional LED inputs found in conventional optocouplers.
Select this component when replacing legacy high-speed optocouplers without redesigning the PCB layout. Consider the 25Mbps data rate capability for applications requiring fast signal transmission. Evaluate the 3750Vrms isolation voltage against system safety requirements. Note that the input is a diode emulator, necessitating appropriate drive circuit adjustments compared to standard LED-based isolators.
The ISOM8710 series belongs to Texas Instruments' portfolio of optocoupler emulators, which mimic the behavior of traditional optocouplers using solid-state components. This family includes variants like the ISOM8710DFFR, offering enhanced performance metrics such as higher speed and better reliability compared to conventional phototransistor or photodiode outputs. These devices address limitations in aging optocoupler technologies while maintaining pin compatibility.
It uses a single-channel diode-emulator input, distinguishing it from traditional LED-based optocouplers.
Yes, it is designed as a drop-in replacement and pin-to-pin upgrade for industry-standard high-speed digital optocouplers.
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