SY56572XRMG-TR

Series:	Precision Edge®
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Fanout Buffer (Distribution), Multiplexer
Number of Circuits:	1
Ratio - Input:Output:	4:2
Differential - Input:Output:	Yes/Yes
Input:	CML, LVDS, LVPECL
Output:	CML
Frequency - Max:	4.5GHz
Voltage - Supply:	2.375 V ~ 2.625 V
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	32-VFQFN Exposed Pad, 32-MLF®
Supplier Device Package:	32-MLF® (5x5)
Base Part Number:	SY56572

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Introduction

SY56572XRMG-TR is a high precision clock buffer, driver, and regulator IC that provides a variety of features to meet the most demanding requirements of interfacing digital, analog and RF components. The SY56572XRMG-TR offers three different output drivers with slew rate control, one active low reset output, one output driver with adjustable current limit, one output driver with dynamic output control, adjustable slew rate control and flexible output control. It also provides an adjustable reference voltage output and an adjustable supply voltage input. The SY56572XRMG-TR can be programmed with a unique programming capability (called Clock Input Voltage Spike Termination) that provides an efficient way to manage clock jitter and reduce backward propagation delay, as well as allowing the user to control the length of the output signal.

Application Field

The SY56572XRMG-TR is mainly used to drive, buffer and regulate clock signals in a wide variety of applications. Its high precision, slew rate and output control features make it an ideal choice for interfacing with digital signal processors, embedded microprocessors, digital receivers and other high-speed digital components. It can also be used for data transmission in a multitude of systems such as HDTV, PC Video, DVRs, hard disk drives, video disk recorders, storage devices and professional audio/video applications. Furthermore, it is also an ideal choice for clock frequency and timing requirements in aerospace, defense, automotive and telecommunications industries.

Working Principle

The SY56572XRMG-TR regulates and buffers clock signals using two main components: a regulator and a buffer.The voltage regulator is designed to maintain a regulated and constant output voltage under all operating conditions. It works by comparing the actual output voltage and the reference voltage that is generated internally. If the output voltage is lower than the reference voltage, the regulator will automatically increase the output voltage to maintain the balance. Similarly, if the output voltage is higher than the reference voltage, the regulator will automatically reduce the output voltage. The regulator circuit also uses an internal clock feedback loop to adjust the output voltage to accommodate the clock frequency with less noticeable jitter.The buffer is responsible for driving the output signal and providing the necessary isolation for clock signals. The buffer supports three different output drive levels, including low, medium, and high. The SY56572XRMG-TR also incorporates an adjustable current limit feature that helps to minimize the current drawn from the input source when driving high capacitive loads. The adjustable current limit feature can be programmed to either limit the current draw from the input source or to reduce the output voltage.The SY56572XRMG-TR also includes an adjustable slew rate control for output signals that helps to reduce noise and interference in the system. It also has a dynamic output control feature that enables the user to control the length of the output signal by varying its rise and fall times. Finally, the SY56572XRMG-TR also provides an adjustable reference voltage output that enables the user to adjust the clock signal voltage.

Conclusion

The SY56572XRMG-TR is an advanced and highly precise clock buffer, driver and regulator IC that provides several features geared towards meeting the most demanding requirements for interfacing digital, analog and RF components. With its adjustable voltage regulator, control slew rate control, dynamic output control and adjustable current limit, it can be employed in a variety of applications. The SY56572XRMG-TR is an ideal choice for driving, buffering and regulating clock signals in HDTVs, PCs, recording devices, aerospace, defense, automotive and telecommunications industries.

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