DS1099U-TJ+T

Series:	EconOscillator™
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Obsolete
Moisture Sensitivity Level (MSL):	--
Type:	Clock Generator
PLL:	No
Input:	Clock
Output:	CMOS, TTL
Number of Circuits:	1
Ratio - Input:Output:	1:2
Differential - Input:Output:	No/No
Frequency - Max:	4.093kHz
Divider/Multiplier:	Yes/No
Voltage - Supply:	2.7 V ~ 5.5 V
Operating Temperature:	-40°C ~ 125°C
Mounting Type:	Surface Mount
Package / Case:	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Supplier Device Package:	8-uMAX
Base Part Number:	DS1099

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DS1099U-TJ+T is a high-performance frequency synthesizer that can be used in a variety of applications, such as clock and timing, telecommunications, and digital signal processing systems.The DS1099U-TJ+T is an integrated frequency synthesizer which incorporates various design elements to produce high accuracy clock generation in various applications. The device comprises four parts: an oscillator, a voltage-controlled oscillator (VCO), a phase/frequency detector (PFD) and a phase-locked loop (PLL) circuit.The oscillator is a low-jitter, high-stability oscillator that is used to provide a stable reference frequency for the PLL circuit. This oscillator has a range of ±50 ppm that allows for very high accuracy timing control.In addition to the oscillator, the device has a voltage-controlled oscillator (VCO), which is used to produce a higher frequency output signal than the reference frequency from the oscillator. The VCO employs a varactor diode to generate an output frequency that is dependent on the input voltage. The voltage range used for the VCO can be configured to provide output frequencies ranging from 0.1 to 10 MHz.The phase/frequency detector (PFD) is used to compare the reference frequency from the oscillator and the output of the VCO. In this way, the PFD can detect any difference between the two frequencies. When any difference is detected, the PFD can send corrective pulses to the VCO to adjust the voltage so that frequency of the output signal matches the reference frequency.The final part of the device is the phase-locked loop (PLL) circuit. This circuit is used to ensure that the VCO keeps the output frequency of the device synchronized with the reference frequency from the oscillator. The PLL circuit uses the output of the PFD to adjust the voltage so that the output frequency is the same as the reference frequency. The PLL circuit is designed to minimize jitter and minimize phase noise so that an extremely stable reference frequency can be maintained.The DS1099U-TJ+T can be used in a wide range of applications such as clock and timing applications, telecommunications systems, and digital signal processing. The oscillator’s low phase noise, high accuracy, and high stability make it suitable for providing an accurate and reliable clock reference for digital systems. The use of the PFD and VCO also make it suitable for applications that require precise frequency control. In addition, the PLL circuit ensures that the output frequency remains synchronized with the reference frequency from the oscillator, making it ideal for digital systems that require highly precise timing.

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