CS230014-CZZR

Ratio - Input:Output:	1:2
Supplier Device Package:	10-MSOP
Package / Case:	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-10°C ~ 70°C
Voltage - Supply:	3.1 V ~ 3.5 V
Divider/Multiplier:	Yes/Yes
Frequency - Max:	75MHz
Differential - Input:Output:	No/No
Series:	--
Number of Circuits:	1
Output:	Clock
Input:	Clock
PLL:	Yes
Type:	Fanout Distribution, Fractional N Synthesizer
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

Clock/Timing is a critical and pervasive technology commonly used in today’s electronic systems. It is a part of the Basic timing architectures, which include components such as clock sources, clock buffers/driver, clock generators, PLLs, frequency synthesizers and other components. This article discusses the application field and working principle of CS230014-CZZR, one of the popular timing products on the market.

Application of CS230014-Czzr

The CS230014-CZZR is a high-performance silicon MEMS oscillator with very low power consumption, high shock-resistance, and excellent reliability for harsh environments. The chip is widely used in battery-powered consumer or commercial products such as cell phones, handheld devices, portable consumer electronics, automotive systems and medical equipment.The key feature of the CS230014-CZZR is the digitally controlled frequency divider that can provide either a higher frequency or a lower frequency than the input crystal. This makes it suitable for different application scenarios and provides great design flexibility.

Working Principle of CS230014-Czzr

The CS230014-CZZR consists of an integrated MEMS oscillator and frequency divider that can divide the frequency of the crystal by an arbitrary factor. The MEMS oscillator part of the chip utilizes a high-Q self-selecting MEMS resonator to make the frequency very accurate and stable.The core of the CS230014-CZZR is its integrated frequency divider. This divider consists of a digital control module, a phase-locked loop (PLL), and a frequency programmable shift register (FPR). The PLL and the FPR have been designed to maximize the phase margin, which improves power efficiency and phase noise performance. When the crystal has stabilized, the digital control module enters phase-locked loop (PLL) mode, where it measures the silicon MEMS oscillator frequency relative to the crystal frequency. The majority of the phase error is removed by the division factor divider. The FPR then adjusts the division factor to make the oscillator frequency match the crystal frequency.

Conclusion

The CS230014-CZZR is a high-performance, low-power frequency synthesizer, with an integrated frequency divider. It can be used to generate a higher or lower frequency than the crystal, and is suitable for use in a wide range of applications, including battery-powered consumer electronics, automotive systems and medical equipment. The integrated MEMS resonator and PLL provide excellent phase noise performance and power efficiency.

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