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±0.5 ppm Super-TCXO for GNSS/GPS
LoginThe 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.
Program oscillators to get instant samples, optimized performance, and fast prototyping | Learn More
View related products: 1 to 60 MHz | 60 to 220 MHz | ±100, ±200, ±250 ppb | TCXO lineup
| "Specs" | "Value" |
|---|---|
| Oscillator Type | TCXO-SE |
| Frequency | 12 standard frequencies |
| Frequency Stability (ppm) | ±0.5 |
| Phase Jitter (rms) | 0.31 ps |
| Output Type | LVCMOS, Clipped sinewave |
| 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 | Production |
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Image: Elite TCXO Ceramic 5032 10-pin package, top & bottom
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SiT5155 pin assignments
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SiT5155 block diagram
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
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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
- Industrial GNSS
- Telecom GNSS
- Precision GNSS
- GPS/GNSS modules
- SiT5155 10.949297MHz LVCMOS
- SiT5155 10MHz LVCMOS
- SiT5155 16.368MHz LVCMOS
- SiT5155 16.369MHz LVCMOS
- SiT5155 16.384MHz LVCMOS
- SiT5155 16.3676MHz LVCMOS
- SiT5155 16.367667MHz LVCMOS
- SiT5155 20MHz LVCMOS
- SiT5155 24.5535MHz LVCMOS
- SiT5155 25MHz LVCMOS
- SiT5155 40MHz LVCMOS
- SiT5155 10.949297MHz Clipped Sinewave
- SiT5155 10MHz Clipped Sinewave
- SiT5155 16.368MHz Clipped Sinewave
- SiT5155 16.369MHz Clipped Sinewave
- SiT5155 16.384MHz Clipped Sinewave
- SiT5155 16.3676MHz Clipped Sinewave
- SiT5155 16.367667MHz Clipped Sinewave
- SiT5155 20MHz Clipped Sinewave
- SiT5155 24.5535MHz Clipped Sinewave
- SiT5155 25MHz Clipped Sinewave
- SiT5155 40MHz Clipped Sinewave
SiT6722 (5032) Evaluation Board User Manual – 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 – Calculate frequency slope over temperature
Time Error Simulation Software – Simulate and analyze the impact of the local oscillator
Ceramic 5032 10-Pins 3D Step Model – Preview oscillator packages in 3D
