SM840002KA-TR

Ratio - Input:Output:	1:2
Base Part Number:	SM840002
Supplier Device Package:	16-TSSOP
Package / Case:	16-TSSOP (0.173", 4.40mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 75°C
Voltage - Supply:	2.375 V ~ 3.465 V
Frequency - Max:	156.25MHz
Differential - Input:Output:	No/No
Series:	ClockWorks™, RotaryWave™
Number of Circuits:	1
Output:	LVCMOS
Input:	Crystal
Main Purpose:	Ethernet
PLL:	Yes
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

The SM840002KA-TR is a versatile timing and clock device used in a variety of application specific systems. The device provides an easily adjustable and reliable clock signal for data processing and computing operations, as well as for the synchronization of systems. Its adjustable on-chip clock generator and PLLs enable users to bring clock distribution to almost any system. This device is particularly well-suited for applications in industrial automation, medical, and instrumentation systems.

Application Field and Working Principle

The SM840002KA-TR provides a tightly-controlled clock signal for various industrial and technical processes. The device utilizes a dual-output Phase Lock Loop (PLL) architecture that synchronizes a source crystal oscillator, allowing for accurate timekeeping and timing. The clock generator circuit is capable of outputting 1-24MHz frequency, with +/-50ppm accuracy, which is the primary clock needed for a wide variety of applications. The PLLs are calibrated to deliver excellent clock jitter analysis and precision frequency generation from both the main clock and the on-chip clock divider. This ensures proper system timings and flexibility for different frequencies and temporal conditions. The device is also compatible with a variety of different sources, such as core clocks, LVDS, and PLL controllers. The SM840002KA-TR is optimized for multiple application fields such as industrial control and instrumentation, audio applications, and medical device applications. In instrumentation, it provides precise clock synchronization in data acquisition systems and stable source frequency in optical transmission links and motor control systems. In the audio realm, this device can be used to deliver high-precision timing in digital audio systems, as well as sampling and clocking chips. In the medical device field, this device can be employed to provide high-precision clock distribution for medical and monitoring systems, as well as for surgical and imaging devices. Its ability to provide a tightly-controlled clock signal, with minimal jitter, ensures that any data flow is synchronized within tight temporal parameters.

Features

The SM840002KA-TR device is available in a variety of packages, including both 5x5mm and 6x6mm sizes. It boasts a wide range of features that make it ideal for use in application specific systems. These features include an integrated voltage regulator with low voltage operation, an easily adjustable on-chip clock generator, adjustable pull range and hysteresis, high-precision clock outputs, and a low-noise floor voltage. The adjustable on-chip clock generator can be configured to generate any frequency between 1 and 24MHz, with a tolerance of +/-50ppm. This generator also provides a high-frequency output signal with minimal clock jitter, enabling highly precise data acquisitions in instrumentation applications. The voltage regulator is integrated with the device, allowing the device to operate in low voltage applications. This feature ensures that the device can be used in a wide range of industrial and technical applications. The device also offers adjustable pull range and hysteresis, enabling users to precisely define the start and end points of the clock pulse. With this feature, the device can be tuned for specific applications requiring precise frequency and versatile timing. Finally, the low-noise floor voltage allows for improved signal-to-noise ratios, resulting in better clock precision and signal detection accuracy.

Conclusion

The SM840002KA-TR is an ideal device for use in a variety of application specific systems. Its adjustable dual-output PLL architecture allows for precise clock synchronization and voltage regulation, while its adjustable pull range and hysteresis allow users to define the start and end points of the clock signal. Its low-noise floor voltage ensures improved signal-to-noise ratios, making it an ideal choice for data acquisitions, optical transmission links, audio signal processing, and medical device applications.

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