60 to 220 MHz, ±0.5 to ±2.5 ppm Super-TCXO

The SiT5157 Super-TCXO is a highly flexible, tight-stability oscillator capable of supporting up to 220 MHz. Based on SiTime’s unique DualMEMS™ and TurboCompensation™ temperature sensing technology, this device delivers excellent dynamic performance in the presence of common environmental hazards, such as airflow, temperature perturbation, vibration, shock, power supply noise and electromagnetic interference (EMI). The SiT5157 is engineered for high-reliability systems in industrial, server and storage, networking and telecom.

The SiT5157 can be factory-programmed to any combination of frequency, stability, voltage and pull range. This programmability enables designers to customize MEMS TCXO configuration for best system performance while eliminating the long lead time and customization costs associated with quartz devices.

Program oscillators to get instant samples, optimized performance, and fast prototyping |Learn More

View related products:1 to 60 MHz|±100,±200,±250 ppb|Automotive|坚固耐用|ag亚博网站

Six industry standard footprints as small as 5.0 x 3.2 mm
Oscillator Type TCXO-SE
Frequency 60 to 220 MHz
Frequency Stability (ppm) ±0.5, ±1, ±2.5
Phase Jitter (rms) 0.31 ps
Output Type LVCMOS
Operating Temperature Range (°C) -20 to +70, -40 to +85, -40 to +105
Pull Range (ppm) ±6.25, ±10, ±12.5, ±25, ±50, ±80, ±100, ±125, ±150, ±200, ±400, ±600, ±800, ±1600, ±3200
Voltage Supply (V) 2.5, 2.8, 3, 3.3
Package Type (mm²) 5.0 x 3.2 10-pin
Features Precision TCXO
Availability 生产


  • ±500 ppb过度。稳定性
  • 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

20 x pha更好se noise under vibration

  • Minimizes loss of satellite lock in high-vibration environments

No activity dips or microjumps

  • Eliminates the need for costly inspection 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

Rich programmable features

  • Any frequency between 60 to 189 MHz and 200 to 220 MHz
  • ±0.5 ppm, ±1 ppm, ±2.5 ppm
  • 2.25到3.63 V
  • Large pull range from ±6.25 to ±3200 ppm:
    • Customize TCXO specifications for optimal system performance


  • Eliminate frequency shift caused by board noise

Superior reliability

  • 10亿小时MTBF
  • Lifetime warranty: Reduces repair costs and field failures due to clock components

  • Data communication systems
  • Microwave backhaul
  • Ethernet switches and routers
  • Data centers
  • Audio & video
  • 测试和测量
  • Industrial IEEE1588
  • Precision GNSS
  • GPS / GNSS模块

Narrow By:

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Evaluation BoardSIT6722EB.(5032)

SIT6722EB评估板用户手册– Evaluate oscillator performance

Reliability Calculator– Get FIT/MTBF data for various operating conditions

Jitter Calculator and Plots– Convert phase noise to phase jitter, find phase noise plots

TimeMaster Configuration Software– Configure and evaluate oscillators via I2C/SP

Frequency Slope (dF/dT) Calculator- 计算频率斜率超过温度

Time Error Simulation Software– Simulate and analyze the impact of the local oscillator

Ceramic 5032 10-Pins3D步骤模型– Preview oscillator packages in 3D

Narrow By:

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Silicon MEMS Reliability and Resilience Presentations
Performance Comparison: Silicon MEMS Verses Quartz Oscillators Presentations
How to Measure Clock Jitter in Precision Timing Applications Presentations
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Silicon Mems VS石英供应链 Presentations
MEMS-Based Resonators and Oscillators are Now Replacing Quartz Presentations
与MEMS联系:机电接口 Presentations
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AN10006 Best Design and Layout Practices Application Notes
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AN10052 IEEE 1588 Precision Time Protocol (PTP) in ITU-T Standards Application Notes
Elite Super-TCXOs for GNSS Applications Product Briefs
Elite Precision Super-TCXOs for 5G, Small Cell and Time Synchronization Product Briefs
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SC-AN10007 时钟抖动定义与测量方法 Application Notes
SC-AN10033振荡器频率测量指南 Application Notes
SIT5157 60.000001MHz LVCMOS. Freq. Test Reports
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Timing Solutions for Communications & Enterprise Brochures/Fliers
AN10063 TCXO and OCXO Stability Degradation Application Notes
Phase Noise Measurement Tutorial 视频
Phase Noise Measurement Tutorial (Download MP4 Video) 视频
Whack an Oscillator Demo (Download MP4 Video) 视频
Whack an Oscillator Demo 视频
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AN10064 Improved System Performance with Digital Frequency Tuning in Precision Super-TCXOs Application Notes
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Advantages of MEMS Timing - Parameters (Download MP4 Video) 视频
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