SMD OCXO 50MHz

Frequency: 50MHz
Waveform: Square Wave
Ambient: ≤50ppb
Aging: ≤±5ppb/day
Dimension: 14.4*9.2*6.5mm

这是一款高性能 50MHz 恒温晶体振荡器（OCXO），具备极佳的环境稳定性（≤50ppb）及极低的年老化率（≤±5ppb/天）。其紧凑的设计（14.4×9.2×6.5mm）专为精密授时应用而打造，可提供可靠的方波输出。它是各类对频率源稳定性要求极高的严苛应用的理想之选。

	Parameters	Technical Indicators	Remarks
Output Characteristics	Nominal Frequency	50.000MHz
	Waveform	Squarewave	Load 15PF
	"0“ level	＜0.4V
	"1" level	＞2.4V
	Rise/fall Time	＜6ns
	Duty Cycle	45% ~ 55%
Frequency Stability	Ambient	≤±50ppb	-40～+85℃, fref=(fmax+fmin )/2
	Voltage	≤±5ppb	5.0V±5%
	Load	≤±5ppb	15pF±5%
	Aging	≤±5ppb/day	After 30days
		≤±0.5ppm/year
	Frequency Accuracy	≤±0.3ppm	Factory calibration value，+25℃
Power Characteristics	Current	＜400mA	@turn on
	Steady Current	＜200mA	@+25℃
	Voltage	+5.0VDC	Vcc±5%
	Power-on Characteristics	≤±0.1ppm	The frequency deviation after 5 minutes of power on is equivalent to 1 hour.
Voltage Control（Frequency Fine Tuning）	Tuning Voltage Range	0~5V	Center Voltage +2.5V
	Tuning Range	＞±3ppm
	Slope	Positive
	Linearity	＜10%
	Input Impedance	≥100KΩ

	Parameters	Technical Indicators		Remarks
Phase Noise		Typ.	Max.	dBc/Hz
	10Hz	-100	-95
	100Hz	-135	-130
	1KHz	-150	-145
	10KHz	-153	-148
	100KHz	-153	-148
Work Environment	Operating temperature	-40℃~85℃
Work Environment	Storage Temperature	-55℃~105℃
Vibration	Test conditions: Amplitude: 0.75mm (5～26HZ); Acceleration: 10g; 10Hz～500Hz; 30min per cycle, 2 hours in each direction (3 directions, X, Y and Z), IEC 68-2-06 Test Fc.
Shocking	50g; 11ms; half sine wave (3 directions, X, Y and Z), IEC 68-2-27 TestEa/Severity 50A
Dimension	14.49.26.5mm
Weight	2.2g