Temperature-Resilient Timing Solutions

Temperature-Resilient Timing Solutions

Do your products need to perform accurately and reliably under extreme and rapidly changing temperatures? SiTime TCXOs and OCXOs can help.

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Split screen of a 5G tower in cold and hot weather showing the temperature extremes resistance

Built for rugged environments

Today’s networks and critical applications can’t fail without huge loss or cost. Yet they are pushed to the edge where they are less protected from extreme and rapid temp swings.

SiTime TCXOs and OCXOs are engineered to solve long-standing timing problems. Unlike quartz products, our MEMS-based timing solutions excel in extreme temperatures, thermal shock up to 10°C/min, and rapid airflow
up to 7 m/s. Our Super-TCXOs operate from -40°C to +105°C, the widest operating temperature available with any TCXO. And with ±40 ppt/°C, our OCXOs offer 10 times better dynamic stability compared to quartz OCXOs.

 

Check out our precision MEMS oscillators

Device Type Device Frequency Stability (ppm) Frequency Slope Typical (dF/dT) Frequency Range Temperature Range (°C) Packages (mm)
Elite Super-TCXOs (Stratum 3) SiT5155, SiT5156, SiT5157 ±0.5, ±1, ±2.5 ±25 ppb/°C 1 to 220 MHz -40 to +105 5.0 x 3.2
Elite Super-TCXOs (Stratum 3) SiT5356, SiT5357, SiT5358, SiT5359 ±0.1, ±0.2, ±0.25, ±0.05 ±1 ppb/°C 1 to 220 MHz -40 to +105 5.0 x 3.2
Automotive Super-TCXOs SiT5186, SiT5187 ±0.5, ±1, ±2.5 ±1 ppb/°C 1 to 60 MHz -40 to +105 5.0 x 3.2
Automotive Super-TCXOs SiT5386, SiT5387 ±0.1, ±0.2, ±0.25 ±1 ppb/°C 1 to 220 MHz -40 to +105 5.0 x 3.2
Ruggedized Super-TCXOs SiT5146, SiT5147 ±0.5, ±1, ±2.5 ±1 ppb/°C 1 to 220 MHz -40 to +105 5.0 x 3.2
Ruggedized Super-TCXOs SiT5346, SiT5347 ±0.1, ±0.2, ±0.25 ±1 ppb/°C 1 to 220 MHz -40 to +105 5.0 x 3.2
Elite X Super-TCXOs (Stratum 3E) SiT5501 ±0.01 (±10 ppb)
±0.02 (±20 ppb)
±0.5 ppb/°C 1 to 60 MHz -40 to +105 7.0 x 5.0
Emerald OCXOs (Stratum 3E) SiT5711, SiT5721 ±0.005 (±5 ppb)
±0.008 (±8 ppb)
±40 ppt/°C 1 to 60 MHz -40 to +85 9.0 x 7.0

 

Better performance under extreme temperature conditions

Frequency Stability Over Temperature

Frequency Slope Over Temperature (dF/dT)

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Elite X Super-TCXO SiT5501 Frequency Stability Chart
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Elite X Super-TCXO SiT5501 Frequency Slope Chart
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Emerald OCXO SiT5711 Frequency Stability Chart
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Emerald OCXO SiT5711 Frequency Slope Chart
Performance Demonstration
Elite Precision Super-TCXOs Solve Networking and Telecom Timing Issues

Performance Demonstration

The performance of an Elite Super-TCXO is compared to a quartz TCXO in a side-by-side test of the two devices as they are simultaneously subjected to airflow and temperature ramp.

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If you need reliable performance in dynamic environments, let's talk.

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