ISOW7844DWER

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Digital isolators provide a variety of safety-critical applications in a variety of safety-related industries, including medical, aerospace, industrial, and automotive. The ISO7844DWER (Digital Isolator with Wide Frequency Range) is an electrical isolation solution for high-speed data interface applications that operates over a wide frequency range. The ISO7844DWER provides up to 2.5 kVrms of insulation, integrated line ESD protection, and an operating temperature range of –40°C to +105°C.

Application Field of ISO7844DWER

The ISO7844DWER is suitable for isolating a wide range of interfaces, from low-speed serial buses (e.g. CAN, USART) to high-speed serial busses (e.g. USB, PCIe). It can be used in key safety-critical and industrial applications, such as:

• Industrial Ethernet control networks
• Industrial serial bus control networks
• Automotive and aerospace applications
• Medical instrumentation
• Building automation systems
• Robotics
• Programmable logic controllers

Working Principle of ISO7844DWER

The ISO7844DWER utilizes a specialized type of semiconductor device called an isolation barrier. This barrier, which is typically activated by an applied voltage, effectively separates two electrical circuits from one another in order to prevent electrical noise from contaminating signals or vice versa. This isolation barrier is then coupled to an analog or digital signal processing circuit, which performs some type of processing before passing it onto the next circuit. This isolation means that communication can take place between the two circuits without any direct electrical contact.

The ISO7844DWER is an electrical isolation solution that operates over a wide frequency range, allowing for high-speed communication. It also allows for any type of data transmission, whether data is sent in digital or analog format. The ISO7844DWER protects devices and systems from common-mode noise sources, as well as providing line ESD protection, which helps to protect sensitive circuitry from electrostatic discharges.

The ISO7844DWER meets the requirements of the C3D0* standard, which is based on the IEC 60601-2-33 international standard. This standard, along with other safety-critical standards, ensures that the ISO7844DWER meets industry-leading safety requirements.

Conclusion

The ISO7844DWER is an electrical isolation solution that operates over a wide frequency range and meets the requirements of the C3D0 standard. It provides up to 2.5 kVrms of insulation and integrated line ESD protection, and has an operating temperature range of –40°C to +105°C. The ISO7844DWER is a reliable isolation solution that can be used in a variety of safety-related applications, such as industrial Ethernet control networks, robotic systems, and medical instrumentation.

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