CDCE18005RGZT Integrated Circuits (ICs)

Series:	--
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Type:	Clock Generator
PLL:	No
Input:	LVCMOS, LVDS, LVPECL
Output:	LVCMOS, LVDS, LVPECL
Number of Circuits:	1
Ratio - Input:Output:	3:10
Differential - Input:Output:	Yes/Yes
Frequency - Max:	1.5GHz
Divider/Multiplier:	Yes/No
Voltage - Supply:	3 V ~ 3.6 V
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	48-VFQFN Exposed Pad
Supplier Device Package:	48-VQFN (7x7)
Base Part Number:	CDCE18005

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CDCE1805RGZT Clock/Timing - Clock Generators, PLLs, Frequency Synthesizers

The CDCE1805RGZT, manufactured by Texas Instruments, is a low-power, low-phase-noise, low-jitter Clock/Timing - Clock Generators, PLLs and Frequency Synthesizers product. This device provides an integrated solution for any timing and/or frequency synthesis application in the telecommunications, datacom and digital consumer markets. The device requires a single 3V to 3.6V supply and is available in a 1.27mm x 1.27mm, 16-pin LLP (Leadless Leadframe Package).

Application Field of CDCE1805RGZT

This device can provide versatile timing solutions to a variety of applications such as Ethernet, digital radio, digital video equipment, industrial automation equipment and so on. With its wide frequency range, low power consumption and low jitter, the CDCE1805RGZT enables systems to achieve high performance at an affordable cost.

Features of CDCE1805RGZT

The key features of the Texas Instruments CDCE1805RGZT include;-Wide frequency range: 200kHz to 2.4GHz-Low power consumption: 11mW in active mode and less than 1µA in power down mode-Low jitter: 0.25ps (typical) short term period jitter-High accuracy: +/-250ppm over full temperature range-Integrated voltage regulator: 3V to 3.6V-Programming flexibility: integrated on-chip control registers

Working Principle of CDCE1805RGZT

The basic working principle of the CDCE1805RGZT is a phase-locked loop (PLL), which is a combination of a voltage controlled oscillator (VCO) and a phase detector. This PLL can be used to generate a stable output frequency that is an integer multiple of the reference frequency fed into the device.The reference clock enters the device, and while passing through its input buffer module, its frequency is divided by the value programmed into the N-divider register. This output from the N-Divider is fed to the PFD (phase frequency detector). The PFD compares the phase and frequency of the input signal to that of the VCO output and generates an error signal indicating the amount of phase and frequency difference. This error signal is then fed to the loop filter module, which generates a control voltage for the VCO.The VCO then adjusts its frequency level depending on the control voltage by changing the oscillation frequency. The device also employs a feedback mechanism to stabilize the output frequency and ensure a well-defined frequency accuracy and stability. Finally, the output signal from the VCO is fed to the output buffer module, which can be used to generate additional divide-by-N factors as required by the target application.

Conclusion

The CDCE1805RGZT by Texas Instruments is a low-power, low-phase-noise, low-jitter Clock/Timing - Clock Generators, PLLs and Frequency Synthesizers product. It is applicable to many areas like Ethernet, digital radio, digital video equipment, industrial automation equipment and so on for versatile timing solutions. The device employs a phase-locked loop (PLL) to generate a stable output frequency. This output frequency can be used for various frequency synthesis applications.

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