SiT5155中文资料±0.5 ppm Super-TCXO for GNSS/GPS数据手册SiTime规格书

描述 Description

The SiT5155 Super-TCXO is engineered for high-accuracy GNSS systems in precision farming, survey, construction, and other industrial equipment. Based on SiTime’s unique DualMEMS™ and TurboCompensation™ temperature sensing technology, this device delivers exceptional dynamic performance that enables the fastest lock to satellites in the presence of shock, vibration, rapid temperature change, power supply noise, and electromagnetic interference (EMI). The SiT5155 further minimizes the loss of satellite lock by eliminating activity dips and micro jumps.

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特性 Features

Exceptional dynamic stability under airflow, fast temp. ramp
• ±500 ppb over-temp. stability
• 3e-11 ADEV at 10 second average time
• ±15 ppb/°C frequency slope (ΔF/ΔT), 10 °C/min ramp
• Enables fastest satellite lock under any operating conditions



20x better phase noise under vibration
• Minimizes loss of satellite lock in high-vibration environments

No activity dips or micro jumps
• Eliminates the need for costly screening or burn-in test

0.2 ps/mV power supply noise rejection (PSNR)
• Reduces BOM by eliminating a dedicated LDO for the TCXO

LVCMOS or Clipped sinewave output
• Optimize for best balance between EMI and jitter

Digital frequency tuning through I2C
• Eliminate frequency shift caused by board noise

Superior reliability
• 1 billion hours MTBF
• Lifetime warranty
• Reduces repair costs and field failures due to clock components

应用 Application

• Industrial GNSS
• Telecom GNSS
• Precision GNSS
• GPS / GNSS Modules

简介

SiT5155属于晶体振荡器谐振器的振荡器。由制造生产的SiT5155振荡器振荡器产品用作频率/时间基准源，与常用于类似用途的晶体产品相比，区别在于它们集成了更多功能，用于生成输出的保持和稳定。最简单的振荡器包括晶体或其他谐振元件，并且具备必要的功能，让用户能够获取频率基准，而无需密切关注谐振元件的工作。更先进的器件还集成了温度补偿或控制功能，以获取更稳定的基准或能够进行选择性调节的基准。