SIT9005ACR2G-18EP

Frequency Stability (Total):	--
Current - Supply (Disable) (Max):	5.2mA
Height:	0.030" (0.76mm)
Size / Dimension:	0.126" L x 0.098" W (3.20mm x 2.50mm)
Package / Case:	4-SMD, No Lead
Mounting Type:	Surface Mount
Ratings:	--
Current - Supply (Max):	5.5mA
Spread Spectrum Bandwidth:	-4.28%, Down Spread
Operating Temperature:	-20°C ~ 70°C
Series:	SIT9005
Frequency Stability:	±20ppm, ±25ppm, ±50ppm
Voltage - Supply:	1.8V
Output:	LVCMOS
Function:	Enable/Disable
Available Frequency Range:	1MHz ~ 141MHz
Programmable Type:	Programmed by Digi-Key (Enter your frequency in Web Order Notes)
Type:	SSXO
Base Resonator:	MEMS
Part Status:	Active

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Introduction

Programmable oscillators are devices used to generate a steady and accurate frequency in digital, analog, and mixed—signal applications. By controlling the phase and frequency of the output signals, these oscillators are capable of producing an unlimited number of custom configurations to suit any application. The SIT9005ACR2G-18EP is an exceptionally flexible programmable oscillator with an astounding range of features. Its wide variety of selectable RF output frequencies and low power consumption, make it a perfect fit for a variety of applications.

Application Field

The SIT9005ACR2G-18EP is designed for many uses across a variety of industries. Its wide selection of programmable features make it ideal for a range of applications.In the mobile communications field, the device can be used as a clock and voltage generator for baseband circuits and RF, modem ICs. It is also suitable for LTE, WCDMA, and TD-SCDMA applications. In automotive electronics, the SIT9005ACR2G-18EP can be used as a clock generator and voltage level adjuster for automotive audio and control electronics. It can also be used in the instrument cluster for speed, temperature, and engine performance monitoring. In consumer electronics, the programmable oscillator is suitable for set-top-box, home gateway, and media applications. It can generate ultra-low-jitter and very low-noise outputs, ideal for such applications. In medical and healthcare applications, the oscillator is used as a clock source and voltage level adjuster for data and signal processing. It is a reliable option in this industry, due to its high performance and low power consumption.

Working Principle

The basic principle of the SIT9005ACR2G-18EP is to generate a high-precision output frequency with minimal phase and jitter noise. This is achieved by using a top-quality silicon-on-insulator (SOI) CMOS process technology to construct a low-noise, low-jitter phase-locked loop (PLL) oscillator. The device has two main components — the reference oscillator and the voltage-controlled oscillator (VCO). The reference oscillator is a quartz oscillator that generates a reference frequency used to lock the output frequency of the device. The reference frequency is then sent to the voltage-controlled oscillator, which generates an output frequency based on the input voltage. The VCO also includes a programmable frequency divider, which enables users to set the output frequency to any desired value. Finally, the output frequency signal is sent to the output buffer and DAC, where it is converted to an analog signal. This signal is then ready to be used in any application.

Conclusion

The SIT9005ACR2G-18EP is an advanced programmable oscillator that can generate precision output signals with very low jitter and noise. It is highly flexible and has a wide range of applications across many industries, including mobile communications, automotive electronics, consumer electronics, and medical and healthcare. The device\'s working principle revolves around the use of a reference oscillator, a VCO, a programmable frequency divider, and an output buffer and DAC for signal conversion.

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