深圳市星通时频电子有限公司
产品详情
特点
- 低功耗
- 高精度
- 高稳定性
- 低老化
产品应用
- 实时时钟
- 消费类设备
- 便携式电子产品
- 时间显示装置
介绍
Item | Symb. | Electrical spec. | Notes |
Nominal Frequency | Freq. | 32.768KHz | |
Operating Temperature | T_use | -10℃~+60℃/-20℃~+70℃ | |
Storage Temperature Range | T_stg | -40℃~+85℃ | |
Oscillation Mode | - | Fundamental | |
Frequency Tolerance | f_tol | ±10ppm / ±20ppm | at 25℃±3℃ |
Turnover Temperature | Ti | 25℃±5℃ | |
Parabolic curvature constant | B | -0.042ppm/(△℃)² max. | Over Operating Temp. Range (Reference 25℃) |
Drive Level | DL | 1 μW Max. | |
Load Capacitance | CL | 6pF , 7pF , 9pF, 12.5pF | |
Effective Resistance | RR | 30kΩ max. | |
Motional Capacitance | C1 | 2.5fF Typ. | |
Shunt Capacitance | C0 | 3pF Typ. | |
Quality Factor | Q | 50000 Min | |
Aging | f_age | ±3 ppm Max. | 1st. Year at 25℃ |
⑴. 需求描述 | |||||
选择需要的封装规格及产品系列:φ2.0×6.0mm;TF206 Series 选择需要的频率:32.768KHz 确定晶体的负载电容值(CL):12.5pF 选择需要的精度:±20ppm 选择需要的工作温度范围:-20℃~+70℃ 您需要的产品是:TF206 Series 32.768KHz 12.5pF ±20ppm -40~+85℃ | |||||
⑵. 标准规格及型号 | |||||
Nominal Frequency | Load Capacitance(CL) | Frequency Tolerance | Operating Temperature | Effective Resistance(ESR) | Product Number |
32.768KHz | 6pF | ±20ppm | -20℃~+70℃ | 30kΩ max. | **DB32.768KD20E |
32.768KHz | 7pF | ±20ppm | -20℃~+70℃ | 30kΩ max. | **DB32.768KC20E |
32.768KHz | 9pF | ±20ppm | -20℃~+70℃ | 30kΩ max. | **DB32.768KG20E |
32.768KHz | 12.5pF | ±20ppm | -20℃~+70℃ | 30kΩ max. | **DB32.768KA20E |