MHz Oscillators

Sentime提供A.所有差分振荡器要求的一站式商店,down to 70 fs RMS jitter. These high-performance oscillators are ideal for光模块，networking, server, storage, and telecom applications and offer low jitter, as well as power supply noise(PSNR)免疫in the presence of common environmental hazards, such as shock, vibration, power supplynoise, and EMI.

• 70 fs抖动（典型值）在行业标准，小型围类包装中as small as 2x1.6 mm
• Any frequency from 1 MHz to 725 MHz
• ±10 ppmstabilitywithexcellentdynamic表现in changing environmental conditions

Sentime提供A.n extensive portfolio of LVCMOS oscillators for consumer, industrial, IoT, and networking applications. These devices enable smaller size and lower power consumption. Plus, they come in a wide variety of industry-standard packages.

• 1到220 MHzwith 6 decimal places of accuracy
• 功耗低至60μA
• 更好的频率稳定性，如±10 ppm紧张
• 行业标准脚印（2016,2520,3225,5032和7050）
• SOT23-5 leaded package for higher board-level reliability and manufacturability
• FlexEdge™ configurable rise/fall time with 0.25 to 40 ns slew rate for EMI reduction

寿星汽车（AEC-Q100）和高温振荡器从-55°C为125°C提供±20 ppm的频率稳定性。它们的稳定性较好两倍，与石英相比，抗冲击和振动的耐受性越来越可靠的20倍。

• 1至725 MHz，具有6位小数精度
• Military (-55 to 125 °C), automotive (-40 to 125 °C), extended industrial (-40 to 105 °C) temperatures
• Low vibration sensitivity (g-sensitivity) of 0.1 ppb/g
• 50,000 g shock and 70 g vibration resistance
• > 1 B.illion hours MTBF

sit’s EMI reduction oscillators ensure emissions compliance through spread spectrum clocking and rise/fall time adjustment of the clock signal. They are supported on SiTime’s Time Machine II programmer, which allows engineers to quickly reduce emissions levels and ensure that customers pass compliance.

• Up to 17 dB reduction on fundamental frequency and 30 dB reduction on harmonics
• 广泛的扩频范围：高达4％PK-to-PK
• FlexEdge™ configurable rise/fall time options: 0.25 ns to 40 ns slew rates

SiTime MEMS VCXOs提供特殊的动态性能ormance and the highest reliability for video distribution (CMTS), networking, telecom, and instrumentation applications. These devices are engineered to maintain the same phase noise and frequency tuning accuracies in the presence of common environmental hazards, such as shock, vibration, noisy power supply, and EMI. They enable equipment, such as cable headend and remote radio head (RRH), to deliver the highest performance, best reliability, and the highest quality of service in uncontrolled environments, such as un-airconditioned basements or rooftops.

• 在1 Hz步骤中从1 MHz到725 MHz的任何频率
• ±15 ppm，整个温度范围内的最佳动态稳定性（-40至+ 85°C）
• 0.02 PS / MV电源噪声抑制（PSNR），降低电源要求
• Best (0.1%) and widest (±25 to ±3200 ppm) pull range linearity, 50x better than quartz

sit's Elite Platform™ I2C/SPI oscillators enable users to program output frequency and pull frequency in-system using a digital interface, offering designers great flexibility. This family offers ultra-low jitter and utilizes SiTime’s unique DualMEMS™ temperature sensing and TurboCompensation™ technology to deliver exceptional dynamic performance.

• Ideal for replacing multiple timing components in systems that support multiple frequencies such as telecom, networking, server, storage, broadcasting, test and measurement equipment
• Any-frequency mode for programming output frequency via I2C or SPI from 1 MHz to 725 MHz
• Digitally controlled oscillator (DCO) mode for pulling/tuning frequency up to ±3200 ppm via I2C or SPI with 0.005 ppb resolution
• Any combination of frequencies (1 MHz to 725 MHz), voltage (2.5 V to 3.3 V), pull range (±25 ppm to ±3200 ppm), and three DE output formats (LVPECL, LVDS, or HCSL)
• 0.2 PS典型的综合阶段抖动

sit's digitally controlled MEMS oscillators (DCXO) enables users to tune output frequency by up to ±1600 ppm via a one-wire digital interface. This eliminates the need for an external DAC used for traditional VCXO designs. It also eliminates the frequency shift caused by board noise on the voltage control line.

• 宽拉伸范围选项，包括±25，±50，±100，±150，±200，±400，±800，或±1600 ppm
• Pull range resolution of 1 ppb
• 任何频率（最多625 MHz）的组合，电源电压（1.8 V; 2.5 V至3.3 V），拉伸范围（±25ppm至±1600 ppm），以及行业标准套餐（3225,5032或7050）
• lvcmos.output (SiT3907) and differential outputs (SiT3921 and SiT3922)