（Measurement Circuit 测试电路）

压控温补晶振12.288MHz VC-TCXO 2.5ppm 电压3.3V数据手册说明如下：

Main Chacteristics 主要电气参数

• Device Name名称: 压控温补晶振VC-TCXO3225
• Nominal Frequency标称频率: 12.288MHz
• Size尺寸: 3.2mm*2.5mm
• Model Name型号: DSA321SDN
• Spec. No. 料号 : 1XXTV12288PAA
• Frequency Stability vs Temperature频率精度: ±2.5PPM
• Supply Voltage额定输入电压范围: 3.3V
• Control Range压控范围: Vcont=+1.5V ±1.0V
• Frequency Control 频率控制范围： ±9ppm~±15ppm
• Start Up Time启动时间: 2ms

Absolute Maximum Rating 绝对最大值

Recommended Operating Conditions建议工作条件

Electrical Characteristics 电气参数特性

Notes:
1. Clipped sine wave (DC-coupled)  削峰正弦波
2. Ta=+25℃
3. Please leave after reflow in 2 hours or more at room ambient.
4. Positive slope (Frequency becomes high in proportion to frequency control voltage.) 正斜率

Outline, Pin Connections外形尺寸及脚位连接说明

注：Pin Connections 引脚说明

#1：Vcont 电压控制
#2：GND 接地
#3：Output 信号输出
#4：VCC 电压