2026年01月09日 09:03:13 来源：深圳市晶诺威科技有限公司 >> 进入该公司展台 阅读量：6
8MHz TCXO-DIP8外形尺寸图(Unit:mm)
晶诺威产8MHz TCXO-DIP8半尺寸高精度温补晶体振荡器电气参数说明如下：
8MHz TCXO-DIP8 Electrical Characteristics电气参数
| 参数 | 特性 | 技术参数 |
| 频率参数 | 标称频率 | 8.000MHz |
| 频率准确度 | ±0.25ppm Max(25±3℃) | |
| 温度特性 | 频率温度稳定度 | ≤±1ppm/-30℃to +85℃ |
| 工作温度 | -30℃to +85℃ | |
| 电源特性 | 供电电压 | +3.3Vdc±10% |
| 工作电流 | 30 mA Max | |
| 电源稳定度 | ≤±0.1ppm Max | |
| 负载稳定度 | ≤±0.1ppm Max | |
| 输出特性 | 波形 | 方波CMOS |
| 上升/下降时间（方波） | ≤10ns | |
| 输出电平“0” | ≤10%vdd/0.4v | |
| 输出电平“1” | ≥90%vdd/2.4v | |
| 输出对称 | 50%±5 | |
| 输出负载 | 15PF/10TTL | |
| 起振时间 | 5ms Max | |
| 相位噪声 | -100dbc/100Hz -130dbc/1KHz -140dbc/10KHz -148dbc/100KHz | |
| 存储温度 | -40℃to +85℃ | |
| 老化率/年 | 1ppm Max | |
| 外形尺寸 | 12.7*12.7*5.4mm |
8MHz TCXO-DIP8 TEST Circuit测试电路
What is a voltage controlled temperature compensated crystal oscillator?
Temperature Compensated Crystal Oscillators (TCXOs) deliver excellent temperature characteristics combined with low power consumption and fast warmup. Voltage Controlled Temperature Compensated Crystal Oscillators (VC-TCXOs) combine the same excellent temperature characteristics, low power consumption and fast warmup with a voltage control function to allow precise tuning of the output frequency after PCB assembly.
Voltage control can also be used during operational life, to compensate for any effects of aging as well as offering the ability to pull back to nominal frequency where there is a change of circuit conditions. TCXOs and VC-TCXOs are used where the stability of a standard Crystal Clock Oscillator is insufficient.
