PL685-P8-258OC

Differential - Input:Output:	No/No
Base Part Number:	PL685
Supplier Device Package:	16-TSSOP
Package / Case:	16-TSSOP (0.173", 4.40mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 70°C
Voltage - Supply:	2.97 V ~ 3.63 V
Divider/Multiplier:	Yes/Yes
Frequency - Max:	100MHz
Series:	--
Ratio - Input:Output:	1:2
Number of Circuits:	1
Output:	PECL
Input:	LVPECL, Crystal
PLL:	Yes with Bypass
Part Status:	Discontinued at Digi-Key
Packaging:	Tube

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Introduction

The PL685-P8-258OC is a clock generator, PLL (phase-locked loop), and frequency synthesizer developed by Positek Technologies, Inc. It is designed to provide high-precision frequency generation and synchronization capabilities within a wide range of applications. It is an ideal solution for applications requiring clock signals and frequency control with advanced noise reduction capabilities, including telecommunications, broadcast, medical, and military sectors.

Features

The PL685-P8-258OC combines a clock generator, PLL, and frequency synthesizer into a single package. Its many features include a wide range of programming and control capabilities, low power consumption, high-frequency accuracy, and a range of outputs including single-ended (LVPECL/LVDS) and differential (LVPECL/LVDS). Other capabilities of the PL685-P8-258OC include programmable frequency tuning, automatic voltage control, enhanced jitter attenuation, and pulse-width modulation functionality.

Applications

The wide range of features provided by the PL685-P8-258OC make it an ideal solution for numerous applications. These include optical transceivers, digital video broadcast (DVB) systems, cellular base stations, high-speed data acquisition and communication equipment, and medical instrumentation. It is also well suited for applications requiring a high degree of frequency accuracy and stability, such as timing/frequency synchronization, clock generators, frequency synthesizers, and PLL applications.

Working Principle

The PL685-P8-258OC utilizes a phase-locked loop (PLL) architecture to generate highly-accurate clock frequencies. The PLL oscillates at a specific frequency while its phase is automatically adjusted in order to remain in phase with an externally supplied reference clock. The circuit also provides automatic voltage control, which configures the oscillator\'s output frequency automatically according to the supply voltage. The PLL also offers advanced jitter attenuation, which eliminates unwanted noise present in the reference frequency.Additionally, the PL685-P8-258OC features pulse width modulation (PWM) functionality, which allows for precise frequency tuning. This feature allows for the precise selection of the desired clock frequency, which can then be matched to reference frequency. The PWM feature also reduces the need for significant external components when connecting to off-the-shelf controllers.

Conclusion

The PL685-P8-258OC is a versatile and highly-accurate clock generator, PLL (phase-locked loop), and frequency synthesizer from Positek Technologies, Inc. Its features and capabilities make it an ideal solution for applications requiring clock signals, frequency control, and noise reduction capabilities. It is well-suited for such applications as optical transceivers, telecommunications, broadcast, medical, and military systems, as well as frequency synchronization, timing/frequency synthesis, and PLL applications. Its advanced phase-locked loop architecture, voltage control, jitter attenuation, and PWM functionality make it an excellent choice for high-precision frequency generation and synchronization.

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