SI88422BC-IS

Digital isolators are widely used in applications where noise immunity and low noise emissions are essential or where communication between circuits of different potentials is necessary. The SI88422BC-IS digital isolator is a member of Silicon Labs’ Isolator family, offering up to 1000 VDC of isolation capability and a versatile range of electrical connections. This isolator is particularly well-suited for use in industrial, residential, medical, automotive and aerospace applications.

The SI88422BC-IS isolator provides one-way isolation in a single monolithic device. The device is designed to provide an effective means of isolating microcontrollers, digital signal processors and other digital circuits from high voltage fields and noise sources. The device allows communication between a low-voltage bottom side and a high-voltage top side. The device is also suitable for signal isolation applications where safety regulations require isolation.

The SI88422BC-IS digital isolator incorporates an insulated-gate bipolar transistor (IGBT) and is built in an isolated SO-14 package. The device has a break-before-make function and a low-voltage detection threshold, both of which make it suitable for applications in which fast switching and safety are important. The maximum continuous-current rating of the device is 5 A. It has a wide operating temperature range of -40°C to +85°C.

The SI88422BC-IS digital isolator offers superior performance due to its wide isolation voltage range and low power consumption. The device is designed to minimize electrical noise and distortion, which allows it to be used in precision medical and industrial applications. The device is protected against electrostatic discharge (ESD) and has built-in EMI filtering capabilities for improved system performance. It also meets the requirements of medical standard IEC 60 601-1.

The working principle of the SI88422BC-IS digital isolator involves the transfer of digital signals between two isolated power domains. The device utilizes advanced high-speed wide bandgap semiconductor technology to provide a reliable and highly accurate means of transferring digital signals across a wide range of isolation voltages. The device has a standard logic input and output, which can be used to directly connect with 3.3 V or 5 V logic integrated circuits or other input/output devices.

The SI88422BC-IS digital isolator provides reliable and accurate communication across isolation boundaries. The device is designed to reduce electrical noise and distortion for improved system performance, making it suitable for precision applications. The wide operating temperature range and wide isolation voltage range of the device make it suitable for a wide range of applications, including industrial, residential, medical, automotive, and aerospace. This device is the perfect choice for applications that require precise isolation of digital signals from noise sources.