ADUM6404CRWZ

Common Mode Transient Immunity (Min):	25kV/µs
Base Part Number:	ADUM6404
Supplier Device Package:	16-SOIC
Package / Case:	16-SOIC (0.295", 7.50mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 105°C
Voltage - Supply:	3 V ~ 5.5 V
Rise / Fall Time (Typ):	2.5ns, 2.5ns
Pulse Width Distortion (Max):	6ns
Propagation Delay tpLH / tpHL (Max):	60ns, 60ns
Data Rate:	25Mbps
Series:	IsoPower®, iCoupler®
Voltage - Isolation:	5000Vrms
Channel Type:	Unidirectional
Inputs - Side 1/Side 2:	0/4
Number of Channels:	4
Isolated Power:	Yes
Type:	General Purpose
Technology:	Magnetic Coupling
Part Status:	Active
Packaging:	Tube

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Digital Isolators

Digital isolators are integrated circuits that allow the transmission of digital signals between two circuits while completely isolating them from one another. The ADUM6404CRWZ is a digital isolator that offers high-speed signal transmission and enhanced protection against transient voltage surges.

Application Field

The ADUM6404CRWZ is suitable for a variety of isolator applications, which include isolated data buses, isolated CAN buses, isolated I2C buses, isolated flash memories, isolated serial ports, isolated RS485 networks, isolated Ethernet, and isolated control systems. Additionally, it is used in various ADSL and Fiber-to-the-Home (FTTH) digital communications networks.

Working Principle

The working principle of the ADUM6404CRWZ digital isolator is based on a high-speed data transmission technology called signal transformation. In this technology, an electrical signal from one source is transformed into an optical signal, which then passes through an optical isolator to the other side. The optical signal is then converted back into an electrical signal.The integrated circuit is designed with low-power consumption in mind and includes a CMOS-compatible voltage regulator, two on-chip ESD protection circuits, and four low-leakage isolation cells. The signal transformation parameters are set by the user to ensure optimal performance for different types of signal. The isolation voltage is typically specified to 3,750 volts per second, making it suitable for high-speed signal transmission with a minimum signal level of 5 mVpp.In addition, the ADUM6404CRWZ is designed to provide a high level of transient voltage surge immunity, with a rated surge voltage of up to 12.8Vpk. This makes it suitable for applications in noisy environments, where high levels of electrical interference are expected. The ADUM6404CRWZ is also designed with numerous input/output protections and features an error monitor that ensures the device works as expected. The integrated circuit is sold in a 10-pin VSSOP-10 package for easy and fast installation.

Conclusion

The ADUM6404CRWZ is a digital isolator that offers high-speed signal transmission and enhanced protection against transient voltage surges. It is suitable for applications in isolated data buses, isolated CAN buses, isolated I2C buses, isolated flash memories, isolated serial ports, isolated RS485 networks, isolated Ethernet, and isolated control systems. Additionally, it is used in various ADSL and Fiber-to-the-Home (FTTH) digital communications networks. It is powered by a low-power consumption CMOS-compatible voltage regulator and includes two on-chip ESD protection circuits and four low-leakage isolation cells. By providing a high level of transient voltage surge immunity, this device is ideal for applications in noisy environments with high levels of electrical interference.

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