STC22K Series – 2.5MM X 2.0MM Ceramic SMD 4 Pad Clipped Sinewave (VC)TCXO
Part Numbering Guide
![](https://suntsu.com/wp-content/uploads/2020/10/STC22K-PARTN-1200x329.jpg)
Electrical Parameters
Parameters | Units | Min | Typical | Max | Remarks |
---|---|---|---|---|---|
Frequency Range | MHz | 13 | 52 | ||
Frequency Tolerance at +25ºC | ppm | -2.0 | +2.0 | 1 Hour after reflow | |
Freq. Stability vs. Op Temp. | ppm | -0.5 | +0.5 | See part numbering guide for options. | |
Freq. Stability vs. Supply Voltage | ppm | -0.2 | +0.2 | VDD ±5% Change | |
Freq. Stability vs. Load | ppm | -0.2 | +0.2 | ±10% Change | |
Freq. Stability vs. Aging/Year | ppm | -1.0 | +1.0 | 1 year | |
Operating Temperature | °C | -30 | +85 | See part numbering guide for options. | |
Storage Temperature | °C | -40 | +125 | ||
Supply Voltage (VDD) - 3.0 V Option | V | 2.985 | 3.0 | 3.015 | See part numbering guide for options. |
Current (IDD) | mA | 2.0 | |||
Current Voltage (VC, VCTCXO) | V | 0 | VDD | Center Voltage: VDD*50% | |
Pullability (VCTCXO) | ppm | ±12.0 | See part numbering guide for options. | ||
Output Load (Clipped Sinewave) | kΩ//pF | 10//10 | |||
Output Logic Levels | VP-P | 0.8 | |||
Symmetry (Duty Cycle) | % | 40 | 50 | 60 | |
Start-Up Time | ms | 2 | |||
VC Input Impedance (VCTCXO) | kΩ | 100 | |||
Phase Noise (Typical) 10Hz Offset | dBc/Hz | -85 | |||
Phase Noise (Typical) 100Hz Offset | dBc/Hz | -115 | |||
Phase Noise (Typical) 1KHz Offset | dBc/Hz | -135 | |||
Phase Noise (Typical) 10KHz Offset | dBc/Hz | -145 | |||
Phase Noise (Typical) 100KHz Offset | dBc/Hz | -150 |
Outline Drawing & Recommended Landed Pattern
All dimensions are in millimeters (mm) unless otherwise noted. Drawings are not to scale.
![STC22K Outline Drawing](https://suntsu.com/wp-content/uploads/2021/09/stc22k-outline-drawing.png)