O55A
O55A
Ultra high stability, can replace rubidium clock, temperature stability better than ±0.01ppb (-40℃~85℃);
Mainly applied in equipments requiring high for temperature stability, such as 4G LTE, clock reference and satellite timing service.
Feature list
1. Output
Frequency Range 5.00MHz ~ 40.00MHz
| Common Frequencies | ||||||
| 5.00MHz | 10.00MHz | 12.80MHz | 13.00MHz | 16.384MHz | 19.20MHz | 19.44MHz |
| 20.00MHz | 25.60MHz | 26.00MHz | 30.72MHz | 32.768MHz | 38.88MHz | 40.00MHz |
| Customization | ||||||
Waveform
| Waveform | Load | Amplitude（dBm） | Peak- Peak （V） | Harmonic | Stray |
| Sine Wave | 50Ω | 5 | 1.1 | ≤-40dBc | ≤-75dBc |
| 8 | 1.6 | ||||
| Square | 15pF | LVTTL, HCMOS | |||
| wave | |||||
2 Frequency Stability （Typical, @10.00MHz）
Temperature Stability（Refer to the table of Stability Selection & Coding Rules）
Short-term stability 2E-12/S（in stable temperature, without EMI/MEC or other interferences,
test at 25℃after
power-on for one hour）
3 Operating Voltage
5.0V, 12.0V
4 Power consumption @25℃
Warm-up Power Consumption 8.0W
Warm-up Time 3min Max
Stable Power Consumption 4.0W Max
5. Voltage control characteristics
Linearity ≤10%
Slope Positive
6. Phase Noise（Typical, @10.00MHz）
10Hz -125dBc/Hz
100Hz -145dBc/Hz
1KHz -150dBc/Hz
10KHz -155dBc/Hz
100KHz -160dBc/Hz
7 Environment Characteristics
Operable Working Temperature -40℃ ~ +85℃
Storage Temperature -55℃ ~ +105℃
Vibration
Test Condition:
Amplitude: 0.75mm; acceleration: 10g; 10Hz~500Hz; a cycle per 30min, test for 2 hours in 3 directions
（3 directions: X, Y and Z）, IEC 68-2-06 Test Fc.
Shock
50g; 11ms; half sine wave （3 directions: X, Y and Z）, IEC 68-2-27 Test Ea/Severity 50A
Stability Selection & Coding Rules
| Temperature (℃) | Temperature Stability | Day-aging | Year-aging | Stability vs. Voltage | Stability vs. Load | Code |
| *-20 ~ 70 | ±1E-11 | ±5E-11 | ±5E-9 | ±1E-11 | ±1E-11 | A |
| -20 ~ 70 | ±5E-11 | ±5E-11 | ±1E-8 | ±2E-11 | ±2E-11 | D |
| -20 ~ 70 | ±2E-10 | ±1E-10 | ±2E-8 | ±1E-10 | ±1E-10 | F |
| *-30 ~ 75 | ±1E-11 | ±5E-11 | ±5E-9 | ±1E-11 | ±1E-11 | B |
| -30 ~ 75 | ±5E-11 | ±5E-11 | ±1E-8 | ±2E-11 | ±2E-11 | C |
| -30 ~ 75 | ±2E-10 | ±1E-10 | ±2E-8 | ±1E-10 | ±1E-10 | H |
| -40 ~ 80 | ±2E-10 | ±2E-10 | ±2E-8 | ±1E-10 | ±1E-10 | J |
| O55A – X X X X – XX.XX MHz ① ② ③ ④ ⑤ ⑥ ① Series No. ②See the table above ③See Table 1 ④See Table 2 ⑤See Table 3 ⑥Output frequency Note: * stands for not support to analog voltage control Besides the specifications above, this product can be customized according to your requirements. | ||||||
Table 1
| 1 | LVTTL |
| 3 | HCMOS |
| 4 | Sine Wave |
Table 2
| 2 | 5.0V |
| 4 | 12.0V |
Table 3
|
Pull-in Range Central Voltage | 1.65V | 2.5V | 16 Bit I2C |
| ±0.3ppm ~ ±0.5ppm | 1 | 5 | 4 |
| ±0.5ppm ~ ±0.8ppm | 2 | 6 | 0 |
| N/C | 9 | ||
8 Mechanical Structure(mm)
9 Weight: about 56.1g
10 Reflow Soldering Curve (RoHS)
11 Package: PVC tube（mm）