LTM2887HY-5I#PBF

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Digital Isolators

Digital Isolators are widely used for a variety of applications. They provide galvanic isolation between components and systems that would otherwise be electrically connected. In industry and in the consumer electronics markets, isolated power systems enable an extensive range of applications for noise filtering, protection against high voltage transients, and noise immunity.

The LTM2887HY-5I#PBF is a digital isolator that utilizes an ultra-fast voltage mode optocoupler for maximum reliability and accuracy in signal transmission between two isolated domains. The device is ideal for high-speed digital communication and power system isolation, and is compatible with most industry-standard logic gate designs. The device is capable of supporting data up to 600 Mbps and is available in multiple packages.

Application field of LTM2887HY-5I#PBF

The LTM2887HY-5I#PBF is suitable for a variety of applications within the industrial, instrumentation, automotive, and consumer electronics markets. Its digital isolation minimizes system noise and provides reliable noise immunity. The device is also well-suited for communication isolation in motor control applications, such as CAN bus systems.

The device is used in a wide range of applications, such as regenerative braking systems, motor control interfaces, position control, power distribution and converters, and many more. Its low-power consumption, high noise immunity, and wide operating temperature range (−40°C to 125°C) make it an excellent choice for applications with stringent power or signale transmission requirements.

Working Principle of LTM2887HY-5I#PBF

The LTM2887HY-5I#PBF digital isolator utilizes an ultra-fast voltage mode optocoupler for maximum reliability and accuracy in signal transmission between two isolated domains. The device transfers digital signals between two isolated systems while completely preventing any current flow between them. The system consists of an LED that emits light when a current is passed through it, and a photodiode which detects the light and transforms it into an electrical signal. This electrical signal is then used to drive a transistor, which is subsequently used to switch the isolated output circuit.

The device also has an integrated Hall effect sensor to detect any disruption in the magnetic field between the LED and photodiode. If the Hall effect sensor detects a disruption, it triggers an alarm, indicating a fault in the system. The device also incorporates an overvoltage protection circuit which provides protection against voltage spikes that exceed its specified ratings. All these features are provided in a single package, making the LTM2887HY-5I#PBF digital isolator ideal for applications that require reliable signal transmission between two isolated systems.

The LTM2887HY-5I#PBF is a digital isolator with high performance and high reliability. It provides a galvanic isolation between two isolated domains and is suitable for a variety of applications in the industrial, instrumentation, automotive, and consumer electronics markets. Its low-power consumption, high noise immunity, and wide operating temperature range make it an ideal solution for digital communication and power system isolation.

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