SMD Voltage Controlled Temperature Compensated Crystal Oscillator VCTCXO
Classification:
• Typical 5.0*3.2*1.85mm ceramic SMD package • High Stability for Stratum ll • High Precision for ±0.lppm @ -40~+85°C,±0.2ppm @-40~+105°C • Frequency support from 10MHz to 52MHz • Wide temperature range • Tri-state Enable/Disable function • Pb-free/RoHS compliant
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Wide temperature range
Ultra miniaturization
Ultra low jitter
High stability
Ultra-high frequency
Products
Product Details
FEATURES
• Typical 5.0*3.2*1.85mm ceramic SMD package
• High Stability for Stratum ll
• High Precision for ±0.lppm @ -40~+85°C,±0.2ppm @-40~+105°C
• Frequency support from 10MHz to 52MHz
• Wide temperature range
• Tri-state Enable/Disable function
• Pb-free/RoHS compliant
TYPICAL APPLICATION
• Time Synchronization
• Microwave Communication
• Test & Measurement
• Telecom Systems
• Satellite Communation
DIMENSIONS
ELECTRICAL SPECIFICATION
| Specifications | 3.3/3.0/2.8V | 2.5V | Unit | |||
| Min. | Max. | Min. | Max. | |||
| Supply Voltage Variation (VDD) | Vdd-5% | Vdd+5% | Vdd-5% | Vdd+5% | V | |
| Frequency Range | 10 | 52 | 10 | 52 | MHz | |
| Frequency Accuracy(25°C) | - | ±1.0 | - | ±1.0 | ppm | |
| Frequency Stability | Vs Supply Voltage(±5%)change | - | ±0.1 | - | ±0.1 | ppm |
| Vs Load(±10%)change | - | ±0.05 | - | ±0.05 | ||
| Vs Aging(@1st year) | - | ±1.0 | - | ±1.0 | ||
| Output Waveform | CMOS | |||||
| Supply Current | 10 MHz < FO≤ 38 MHZ | - | 6.5 | - | 6.5 | mA |
| 38 MHz < FO≤ 52 MHZ | - | 7.5 | - | 7.5 | ||
| Supply Current(Clipped Sine) 10 MHz < FO≤ 52 MHZ | - | 3.5 | - | 3.5 | mA | |
| Output Level | Output High | 90%Vdd | - | 90%Vdd | - | V |
| Output Low | - | 10%Vdd | - | 10%Vdd | ||
| Transition Time (10%~90%) |
Rise Time | - | 6.5 | - | 6.5 | nSec |
| Fall Time | - | 6.5 | - | 6.5 | ||
| Duty Cycle | 45 | 55 | 45 | 55 | % | |
| Load | - | 15 | - | 15 | pF | |
| Output Waveform | Clipped sine wave | |||||
| Supply Current | 10 MHz < FO≤ 38 MHZ | - | 4.5 | - | 4.5 | mA |
| 38 MHz < FO≤ 52 MHZ | - | 5.0 | - | 5.0 | ||
| Output Level | 0.8 | - | 0.8 | - | Vp-p | |
| Load | 10KΩ // 10pF | 10KΩ // 10pF | ||||
| Parameter | 3.3V | 2.5V | Unit | |||
| Min. | Max. | Min. | Max. | |||
| Tri-State Control | Enable | 80%Vdd | - | 80%Vdd | - | V |
| Disable | - | 20%Vdd | - | 20%Vdd | ||
| Startup time | - | 5 | - | 5 | mSec | |
| Control Voltage Range(VCTCXO) | 0.5 | 2.5 | 0.5 | 2.5 | V | |
| Pulling Range(VCTCXO) | ±5.0 | - | ±5.0 | - | ppm | |
| Vc Input Impedance | 100 | - | 100 | - | KΩ | |
|
Phase Noise @TCXO VDD=3.3 V, Fout=20 MHz |
100 Hz | -122 | -122 | dBc/Hz | ||
| 1 kHz | -142 | -142 | ||||
| 10 kHz | -154 | -154 | ||||
| 100 kHz | -157 | -157 | ||||
| 1 MHz | -159 | -159 | ||||
Standard frequencies are frequencies which the crystalhas been designed and does not imply a stock position.
*Frequency at 25°C,1 hour after reflow.
FREO.STABILITY vs.TEMP. RANGE
| Temp.(℃) / ppm | ±0.05 | ±0.1 | ±0.2 | ±0.28 | ±0.5 |
| -10~+60 | ⚪ | ⚪ | ⚪ | ⚪ | ⚪ |
| -20~+70 | ⚪ | ⚪ | ⚪ | ⚪ | ⚪ |
| -40~+85 | ▲ | ⚪ | ⚪ | ⚪ | ⚪ |
| -40~+95 | ▲ | ▲ | ⚪ | ⚪ | ⚪ |
| -40~+105 | ❌ | ▲ | ⚪ | ⚪ | ⚪ |
⚪:Available ▲:Condition ❌:Not available
Note: not all combination of options are available. Other specifications may be available upon request.
Specifications subject to change without notice.
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