SMD3225 VCTCXO 16.8MHz ±0.5ppm High-Precision Temperature Compensated Crystal Oscillator

SMD3225 VCTCXO 16.8MHz
Nominal Frequency： 16.8MHz
Nominal Frequency Tolerance: ±2ppm
Frequency stabiity over temperature: ±0.5ppm
Temperature range： -30~85℃
Supply voltage： 3.3V

产品概览：

我们这款 16.8MHz VCTCXO（压控温补晶体振荡器）专为高性能无线通信及导航系统而设计。在工业级温度范围（-30℃ 至 +85℃）内，该振荡器可提供 ±0.5ppm 的频率稳定性，确保在严苛环境下实现可靠的同步。凭借其削峰正弦波输出特性及低功耗优势，它是 GNSS（全球导航卫星系统）及移动通信领域的理想时钟源。

主要特性：

频率：16.800000 MHz
高稳定性：在全温度范围内实现 ±0.5ppm 的频率稳定性
压控功能：具备 ±5ppm 的牵引范围，支持精密频率微调
低相位噪声：性能卓越（在 10kHz 频偏处达 -150dBc/Hz）
超紧凑与高效：采用 3.3V 供电，电流消耗仅为 1.5mA
快速启动：启动时间仅需 2ms，助力系统快速部署

Electrical Specifications 电气特性

	Parameter	Min.	Typ.	Max.	Units	Remarks
Frequency Characteristics	Nominal Frequency	16.800000			MHz
	Nominal Frequency Tolerance	-2.0		+2.0	ppm	Frequencyat 25℃,1 hour after 2 times reflow
	Frequency stabiity over temperature	-0.5		+0.5	ppm	Referenced to the midpoint between minimum and maximum frequency value.
	Temperature range	-30		+85	℃	The operating temperature range over which the frequency stability ismeasured
	Supply voltage stability	-0.2		+0.2	ppm	Supply voltage varied ±5%at 25℃
	Load sensitivity	-0.2		+0.2	ppm	±10%load change
	Aging	-1.0		+1.0	ppm	first year at 25℃
	Storage temperature	-40		+85	℃
Power Supply	Supply voltage	3.135	3.3	3.465	V
Power Supply	Current			1.5	mA	At maximum supply voltage
Control Voltage	Controlvoltage range	0.5	1.5	2.5	V
	Pulling range	±5			ppm	Referenced to VCONat 1.5V
	Vcon input impedance	500			kOhm	Measured between VCON and GND pin
	Linearity			10	%
Oscillator Output	Output waveform	Clipped sine wave				DC Coupled clipped sine wave
	Output voltage level	0.8			Vp-p
	Output load	10Kohm//10pF
	Start time			2	ms
Phase Noise	10Hz offset		-90		dBc/Hz
	100Hz offset		-116		dBc/Hz
	1KHz offset		-136		dBcHz
	10KHz offset		-150		dBc/Hz
	100KHz offset		-152		dBc/Hz