SI88621BC-IS

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Digital isolators play an important role in the electronics industry, providing low-power, single-channel, high-performance isolation between two circuits. SI88621BC-IS digital isolators are a newly developed series of isolators from Silicon Laboratories that have revolutionized the isolation industry. These digital isolators use a unique design to provide noise and voltage-isolation for applications requiring bidirectional communication.

The SI88621BC-IS digital isolators use a unique interlocking technology to provide physical and electrical isolation, enabling the circuits to operate independently of each other. Each device provides two independent channels, allowing for a high level of flexibility in system designs. SI88621BC-IS digital isolators can be used in applications such as automotive, industrial, telecommunications and computer/peripheral systems.

The main advantage of the SI88621BC-IS isolators is their ability to operate at very low power, making them ideal for applications with tight power budgets. They are also extremely fast, with typical propagation delays of only 5ns. This makes them suitable for high-speed communication, such as the control of servo motors, or high-speed data transfer. In addition, they are also resistant to temperature extremes, making them suitable for use in harsh environments. Further, they offer low EMI/RFI noise immunity, providing reliable communication in noisy environments.

In operation, the SI88621BC-IS digital isolators are designed to operate on a single power supply in the range of 3.3V to 15V. They can handle data rates up to 21 Mbps, with bus lengths up to 1.2 m. The isolation voltage rating for each device is 2.5KVrms, with a high common-mode rejection ratio (CMRR) of 80 dB at 10kHz.

The SI88621BC-IS digital isolators use a patented, proprietary technique to achieve high-performance isolation. The two channels in the device are electrically and physically interlocked, creating essentially two isolated devices. This interlocking design allows each channel to independently regulate its supply and control signals. It also provides excellent noise immunity and low noise output, ensuring clean and reliable communication.

As a result of the low-power and high-performance isolation provided by these isolators, the SI88621BC-IS digital isolators are ideal for a variety of applications, including automotive, industrial, telecommunications and computer/peripheral systems. They provide reliable noise, voltage and temperature isolation, making them suitable for use in even the harshest environments. With a single power supply range of 3.3V to 15V, they can handle data rates up to 21 Mbps and bus lengths up to 1.2m. In addition, they offer excellent common-mode rejection ratio (CMRR) of 80 dB at 10kHz.

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