STH21K Series – 2.0MM x 1.6MM Ceramic SMD 4 Pad Clipped Sinewave (VC)TCXO
Part Numbering Guide
Electrical Parameters
| Parameters | Units | Min | Typical | Max | Remarks |
|---|---|---|---|---|---|
| Frequency Range | MHz | 13 | 52 | ||
| Frequency Tolerance at +25ºC | ppm | -2.5 | +2.5 | ||
| 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 1 Year | ppm | -1.0 | +1.0 | 1 year | |
| Freq. Stability vs. Aging 10 Years | ppm | 5.0 | 5.0 | ||
| Operating Temperature | °C | -30 | +85 | See part numbering guide for options. | |
| Storage Temperature | °C | -40 | +85 | ||
| Supply Voltage (VDD) | V | 1.8 | 3.3 | See part numbering guide for options. | |
| Current (IDD) | mA | 2.0 | |||
| Current Voltage (VC, VCTCXO) | V | 0.4 | 2.4 | ||
| Pullability (VCTCXO) | ppm | ±7.0 | ±16.0 | See part numbering guide for options. | |
| Linearity (VCTCXO) | % | -10 | +10 | ||
| 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 | 5.0 | |||
| VC Input Impedance (VCTCXO) | kΩ | 500 | |||
| Phase Noise (Typical) 1KHz Offset | dBc/Hz | -130 | At 19.2MHz |
Outline Drawing & Recommended Landed Pattern
