ADUM7643CRQZ-RL7

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Digital isolators are special-purpose, high-reliability circuits designed to provide galvanic isolation of data signals in the path of digital isolators, protecting both the digital isolator user and the signal from the potential danger of arcing or over-voltage stress. The ADUM7643CRQZ-RL7 is a single-channel digital isolator designed to improve high-speed digital signal transfer across a wide range of applications.

The device is a versatile, low-power, single-channel digital isolator with a data rate of 1.25 Gbps and an IO interface of up to 5V. It utilizes silicon coupler technology with an 4 kV galvanic isolation barrier, which employs chip level integration and guarantees optimal high-speed data transfer performance. This device has a wide range of applications including Switchgear, Power Supplies, Safety Monitoring, Telecom Systems, Industrial PCs, Industrial Automation, as well as a wide variety of other industrial, medical, and computer systems.

The ADUM7643CRQZ-RL7 digital isolator is designed with a single-pulse, differential data signal transmission technique to ensure reliable data transfer between two isolated systems. This technique works by utilizing a pair of isolated MOSFETS or IGBTs which, when connected in series, form a single-pulse signal pulse. The signal transferred is a low-power pulse consisting of two alternating voltage cycles; as the pulse moves through the device it remains stable because the difference in voltage between the twocycles offsets any voltage peaks. The data signaled by the ADUM7643CRQZ-RL7 is then converted into a binary representation by the two-level logic levels.

The working principle of the ADUM7643CRQZ-RL7 digital isolator is simple and elegant. It relies on a pair of isolated MOSFETS or IGBTs, coupled with an isolation barrier that is 4 kV, allowing the pulse to travel safely between devices. The isolated MOSFETS or IGBTs each provide a stable low-power pulse, which is then translated into a binary representation using two-level logic levels. This binary signal can then be transmitted through the digital isolator, providing dependable data transfer across a wide range of applications, and safely protecting both the user and signal from potential damage caused by arcing or over-voltage stress.

Finally, the ADUM7643CRQZ-RL7 digital isolator is a great choice for a wide variety of applications due to its single-pulse differential data signal technique and 4 kV galvanic isolation barrier. Together these features guarantee dependable data transfer performance as the signal is safely protected from the potential danger of arcing or over-voltage stress.

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