The ISOM8710 user’s guide describes the functionality of the ISOM8710 High-Speed Single-Channel Opto-Emulator Evaluation Module (EVM). The EVM lets designers evaluate device performance for fast development and analysis of an isolated system. The ISOM8710DFFEVM supports evaluation of TI's ISOM8710 Opto-Emulator in a 5-pin DFF SOIC package.
This evaluation module is made available for isolator parameter performance evaluation only and is not intended for isolation voltage testing. To prevent damage to the EVM, any voltage applied as a supply or digital input/output must be maintained within the recommended operating conditions of the device.
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The ISOM8710 user’s guide describes the functionality of the ISOM8710 High-Speed Single-Channel Opto-Emulator Evaluation Module (EVM). The ISOM8710DFFEVM supports evaluation of TI's ISOM8710 Opto-Emulator in a 5-pin DFF SOIC package. This user’s guide describes EVM operation with respect to the ISOM8710 High-Speed Single-Channel Opto-Emulator under 5 V opperation. However, the EVM may be reconfigured for evaluation with a larger suppy voltage or other applications by changing the EVM configuration and componenet values. The guide also covers the channel configuration of the ISOM8710, EVM schematic, and typical setup.
The ISOM8710 device is capable of being pin-compatable and drop-in replaceable with many optocoupler devices. Opto-emulators offer significant reliability and performance advantanges compared to traditional optocouplers, including high common mode transient immunity (CMTI), low propgation delay, small pulse width distortion (PWD), low power consumption, wider temperature ranges, and tight process controls result in small part-to-part skew. Since there is no aging effect or temperature variation to compensate for, the emulated-diode input-stage also consumes less power than typical optocouplers.
The ISOM8710 Opto-Emulator replicates the characteristics of traditional optocouplers without the drawbacks of aging and thermal drift by using logic input and output buffers separated by a silicon oxide (SiO2) insulation barrier. When used with isolated power supplies, these devices block high voltages, isolate grounds, and prevent noise currents on a data bus from entering the local ground and interfering with or damaging sensitive circuitry.