Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Digital Isolators

Digital isolators are the devices that provide a variety of power management solutions in the world of electronics. The ADUM1300CRWZ-RL is one such device, specifically designed for audio, video, and peripheral applications. It offers a unified and highly-integrated circuit solution that combines a low-dropout regulator, a self-biasing amplifier, and an isolated digital interface.

Application Field

The ADUM1300CRWZ-RL is an ideal option for audio, video, and peripherals. It includes a variety of features and options that make it suitable for use in a variety of applications. This device can be used as a power supply for LCD and LED displays, as well as for providing USB, HDMI, DVI, and DisplayPort signals over long distances. Additionally, the device can also be used for audio applications, such as driving speakers and headphones, as well as for performing signal isolation.

Benefits

The ADUM1300CRWZ-RL offers several key benefits, which make it an attractive choice for digital isolators. It is highly integrated, offering a unified solution in one compact package. This increases the efficiency and reduces the cost of implementation. Furthermore, this device provides excellent power management capabilities and improved signal integrity due to its self-biasing amplifier.

Working Principle

The ADUM1300CRWZ-RL is a three-channel digital isolator that works in the same way as other digital isolators. It uses capacitive coupling technology to transfer data between two circuits while maintaining an isolation voltage of more than 15 kV pp. The device is powered by a single 3.3V DC or 5V DC supply voltage and is capable of transferring data at a rate of up to 4 Mbps.

The device consists of two parts: the switch and the integrated circuit. The switch is made up of three isolated channels, each of which consists of a differential pair of n-channel MOSFETs. The integrated circuit contains a digital isolator controller, a low-dropout regulator, and a self-biasing amplifier. The controller controls the switching operation of the MOSFETs and the low-dropout regulator provides the required power for the digital isolator.

When the two circuits are powered up, the digital isolator controller monitors the voltage level across its inputs. If a logic high is detected, the controller activates the switches to send the logic high signal to the output. The self-biasing amplifier helps to reduce the noise and improve signal integrity by generating a virtual ground between the input and output.

Conclusion

The ADUM1300CRWZ-RL is a highly efficient and cost-effective digital isolator specifically designed for audio, video, and peripheral applications. Its integrated circuit solution combines a low-dropout regulator, a self-biasing amplifier, and an isolated digital interface, allowing it to offer improved power management capabilities. It can be used for a variety of applications, including driving LCD and LED displays, providing USB, HDMI, DVI, and DisplayPort signals, and performing signal isolation.

The specific data is subject to PDF, and the above content is for reference