LTC4310CDD-1#PBF

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Digital Isolators

Digital isolators are devices that allow sensitive equipment to be safely connected in high-voltage, noisy environments such as industrial controls and medical appliances. They are especially designed to provide electrical isolation between two circuits while allowing them to exchange digital signals (e.g. data). The LTC4310CDD-1#PBF is a digital isolator which is widely used, so it is worth taking a closer look at its main application fields and working principle.

Application Fields

The LTC4310CDD-1#PBF digital isolator is suitable for a range of applications in fields such as industrial process control, medical instrumentation, factory automation, and energy infrastructure. The device also has integrated safety features which make it particularly attractive for high-voltage environments. The device has a high noise immunity of &ginger; 20V/ µsec, and an operational temperature range of – 40 °C to +125 °C.

The LTC4310CDD-1#PBF is designed to withstand high-voltage transients up to 80V, and is more stable than alternative solutions on the market. When used in real-time applications, the device can handle communication rates up to 6.5Mbps, while maintaining a low jitter (<10ns). It features a dual-channel architecture, which provides better signal integrity and reduces noise sources.

Working Principle

The core operating principle of the LTC4310CDD-1#PBF is based on two independent symmetrical MOSFET-devices, each with a voltage range of 0 to 80V. The two MOSFET’s are connected to each other via an optical isolator. The optical isolator further connects the two MOSFET-devices via a bridge, allowing for bidirectional data transmission.

When voltage is applied to the MOSFET-devices, the output voltage is monitored to detect signal changes. As this setup guarantees a level of electrical isolation between the two sections, the transmitted signals remain unaffected by external environmental noise or electro-static interference.

The LTC4310CDD-1#PBF digital isolator also includes integrated protection features, such as overvoltage protection and thermal shutdown. This ensures reliable operation even in harsh applications. Furthermore, the device has built-in OVP protection and soft-start circuitry, limiting its current consumption during start-up.

Conclusion

The LTC4310CDD-1#PBF digital isolator is a reliable, high-performance solution for applications in fields including industrial process control, medical instrumentation, factory automation, and energy infrastructure. With its integrated safety features, the device is particularly suitable for high-voltage and noise-sensitive environments. Its dual-channel architecture ensures good signal integrity and reduces noise sources. In conclusion, with its combination of performance and features, the LTC4310CDD-1#PBF digital isolator is an ideal solution for a range of applications.

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