SiTime SiT-515x Elite Platform™ Super-TCXOs
SiTime SiT-515x Elite Platform™ Super-TCXOs deliver stable timing in the presence of environmental stressors like air flow, temperature perturbation, vibration, shock, and electromagnetic interference. These TCXOs leverage SiTime’s unique DualMEMS™ temperature sensing and TurboCompensation™ technology. The SiT5155 TCXOs are engineered for high-accuracy GNSS systems in precision farming, survey, construction, and other industrial equipment. The SiT5156 and SiT5157 TCXOs are highly flexible, tight-stability oscillators capable of supporting up to 220MHz. The Elite Platform™ Super-TCXOs are ideal for high-reliability telecom, wireless and networking, industrial, precision GNSS, and audio/video applications.
The SiT51x Super-TCXOs allow factory programming to any combination of frequency, stability, voltage, and pull range. This programmability enables designers to optimize the clock configuration while eliminating the long lead time and customization cost of quartz TCXOs with custom-built frequencies.
Features
- Offers three device configurations
- TCXO with non-pullable output frequency
- VCTCXO allows voltage control of output frequency
- DCTCXO enables digital control of the output frequency through the I2C interface
- 13x common GNSS frequencies
- Excellent dynamic stability under airflow and rapid temperature change
- No activity dips or micro jumps
- Resistant to shock, vibration, and board bending
- Up to ±3200ppm pull range (VCTCXO or DCTCXO)
- Digital frequency pulling (DCTCXO) via I2C
- Digital control of output frequency and pull range
- Frequency pull resolution as low as 5ppt (0.005ppb)
- On-chip regulators, eliminating the need for the external LDO
- LVCMOS or clipped sinewave output
Applications
- SiT-5155
- Precision GNSS for agriculture, construction, and surveying
- Precision GNSS for mobile mapping, marine, and aerospace
- GPS, Galileo, Beidou, and other GNSS systems
- SiT-5156 and SiT-5157
- Precision GNSS
- Microwave backhaul
- Network switches and routers
- Professional audio and video equipment
- Storage and servers
- Test and measurement
Specifications
- ±0.5ppm over-temperature stability
- 15pF load capacitance
- ±15ppb/°C frequency slope (ΔF/ΔT)
- 3e-11 ADEV at 10s averaging time
- 10MHz to 100MHz frequency range
- 55% duty cycle
- -40°C to +105°C operating temperature range
- 2.5V, 2.8V, 3.0V, and 3.3V supply voltages
SiT-515x Block Diagram
Videos
發佈日期: 2018-06-27
| 更新日期: 2022-10-06