ADUM2286BRIZ-RL

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Digital isolators are used to provide electrical isolation between two systems. The ADUM2286BRIZ-RL is a digital isolator that is suitable for use in industrial, medical, and automotive applications. It provides up to 5 kB of data transfer over a standard LVDS bus. The device has an integrated PTC resistor for fault protection and incorporates iCoupler™ technology to provide a low-cost, high-performance solution for isolating digital logic signals.

ADUM2286BRIZ-RL is a digital isolator with a total isolation rating of 2.5 kVrms, which is ideal for many high electrical noise and high voltage isolation applications. The isolator works by transferring data between two separate locations. It uses iCoupler technology, which is a combination of transformer and capacitive coupling. A pulse width modulated digital signal is used to modulate inductance and capacitive coupling paths. This results in data being transferred across the isolation barrier while still providing full electrical isolation.

The ADUM2286BRIZ-RL digital isolator also includes a built-in PTC (positive temperature coefficient) resistor for short-circuit protection and an ESD protection network. The short-circuit protection prevents damage from overcurrent conditions, while the ESD protection network protects the digital isolator against ESD and other electrostatic discharge events. The protection circuit also safeguards data integrity and extends the device’s life in mission-critical applications.

The digital isolator includes an integrated LVDS transceiver and is capable of supporting data rates up to 5 kBps. It also supports LVDS push-pull output and open-drain input. The LVDS transceiver is powered by the supply voltage (VCC) and operates from a wide frequency range from 0.2 MHz to 33 MHz. The open-drain input is designed to accept different logic levels such as TTL, ECL, LVIRT, and PECL. The unit supports wide input voltages from 0V to 5.5V and provides a low propagation delay of 25ns.

The ADUM2286BRIZ-RL digital isolator is designed to operate reliably in extreme temperature and harsh electrical environments. It has an operating temperature range from -40°C to +105°C and meets the industrial standard JEDEC moisture sensitivity levels (MSL). The device is also RoHS compliant and radiation harder than other solutions in its class.

In summary, the ADUM2286BRIZ-RL is a digital isolator that is suitable for use in industrial, medical, and automotive applications. It provides up to 5 kB of data transfer over a standard LVDS bus and integrates iCoupler technology for fast data transfer, PTC protection, and ESD protection. The device has a wide frequency range, wide input voltage range, and a low propagation delay making it an ideal solution for many high-voltage, high-noise isolation applications.

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