TCXO SMD 3225

Nominal Frequency: 44.55MHz
Nominal Frequency Tolerance: ±2ppm
Frequency stability over temperature: ±2ppm
Temperature range： -40~85℃

SMD 3225 高频稳定性温补晶振 (TCXO)

SMD 3225 高频稳定性温补晶体振荡器 (TCXO) 专为以下应用场景而设计：

即那些需要在不同温度范围内保持卓越频率稳定性的应用。

这款 TCXO 是电信、GPS 以及高精度授时应用的理想选择，

在这些领域中，维持精准的频率至关重要。

主要特性：

应用领域：

TCXO 3.2*2.5mm DIMENSIONS尺寸

tcxo stability.png

PIN FUNCTIONS引脚定义

FREQUENCY CHARACTERISTICS

Parameter	Min.	Typ.	Max.	Units	Test Condition
Nominal Frequency	44.55			MHz
Nominal Frequency Tolerance	-2		2	ppm	Frequency at 25°℃, 1 hour after 2 times reflow.
Frequency stability over temperature	-2		2	ppm	Referenced to the midpoint between minimum and maximum frequency value.
Temperature range	-40		85	℃	The operating temperature range over which the frequency stability is measured
Supply voltage stability	-0.2		0.2	ppm	Supply voltage varied ±5% at 25 °℃
Aging	-1		1	ppm	first year at 25°℃

POWER SUPPLY

OSCILLATOR OUTPUT

Parameter	Mini	Type	Max	Unit	Test Condition
Output waveform		CMOS
Output voltage level high	2.97			V
Output voltage level low		0.33		V
Output load capacitance			15	pF	Operating range
Duty cycle	45	50	55	%	Measured at 50% VDD trigger level
Rise and fall times		3		ns	CMOS logic output at 10% to 90%
Start time		5		ms
Tri-State Output Active	2.31			V
Tri-State Output in High-Impedanc			0.99	V