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CDCU877RHATG4 Application Field and Working Principle

The CDCU877RHATG4 belongs to the CDCap family of semiconductor components and is an ultra low low-noise, logic threshold voltage level shift device. The clock frequency achieved by this device is intended for use in communication, broadcast and consumer applications. This device is ideal for the high-reliability and low-frequency timing and synchronization requirements that are essential for the reliable transition between multiple oscillators and networks.

The CDCU877RHATG4 is a unique semiconductor device, combining the characteristics of a low-voltage differential signal (LVDS) driver and a comparator to form a versatile level-shifting, voltage-controlled logic. The device combines the tolerant, reliable and low-noise LVDS driver, with the fast edge transition and low-voltage threshold logic of the comparator for concurrent frequency jitter suppression and noise suppression. The CDCU877RHATG4 has a wide range of operating temperature, is packaged in a low-profile SOP-14 package, and has a wide range of delays and thresholds for various applications.

Application Field

The CDCU877RHATG4 is inherently highly immune to unwanted clock jitter and noise in many types of system-level communication, broadcast and consumer applications. In these types of applications, the device allows for robust, high-reliability data exchange and reliable network synchronization. Its low-noise and low-voltage characteristics make it suitable for the design of sophisticated data acquisition, transportation, and processing systems. Its wide temperature range, wide range of delays and thresholds and high current drive capability make it an excellent choice for time-sensitive applications such as automotive electronics, consumer consumer electronics, high-speed networking, digital audio, video and broadcast.

The CDCU877RHATG4 is an ideal choice for the synchronization of signals between multiple oscillators, thanks to its low-noise and low-voltage capability. This device is designed to be used in conjunction with a high-speed PLL or other frequency synthesis device, to synchronize two separate clocks into one low-distortion output. In addition, the device can be used to interface between two different logic families, such as TTL and CMOS, and is adept at the conversion between multiple logic protocols such as SPI, I2C and CAN bus.

The CDCU877RHATG4 is an essential component for precision timing and synchronization in broadcast and consumer applications. With its high level of accuracy and precision, it guarantees a high-quality signal transmission between multiple systems with minimum jitter and distortion. The device enables synchronization of audio and video signals and is capable of providing highly accurate time stamps to multiple processes in a television broadcast.

Working Principle

The CDCU877RHATG4 works by combining the characteristics of a low-voltage differential signal driver with a comparator. This results in a logic threshold voltage level shift device. The device is designed to operate in a variety of frequency ranges and surpasses traditional methods of signal synchronization in terms of noise reduction and accuracy.

The CDCU877RHATG4 has an LVDS driver built into it, which is extremely tolerant to variations in the input clock signal and eliminates jitter. The device scans the differential input signals continuously and looks for an active level. An active level is determined when the logic levels of LVDS inputs exceed certain defined levels, as set by the user. The active level then triggers the comparator output, which subsequently triggers the output clock. This process of level shifting and frequency conversion is used to synchronize two separate clock signals.

The CDCU877RHATG4 also has high current drive capability, providing a high level of accuracy and noise immunity in its synchronized output signal. In addition to this, its low-voltage threshold permits the driving of various logic voltage levels without the need for level-shifting. This results in a synchronized output signal that has low-distortion and noise.

The CDCU877RHATG4 is an essential component for precision timing and synchronization in many types of applications, including communication, broadcast, and consumer devices. It is highly reliable, tolerant to variations in the input clock signal and minimizes jitter, thereby guaranteeing a high-quality signal transmission between multiple systems.

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