TF3215R
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
- 便携式电子
- 智能电表
- 通讯设备
- 物联网设备
介绍
Item | Symb. | Electrical spec. | Notes | |
TF3215 | TF3215R | |||
Nominal Frequency | Freq. | 32.768KHz | ||
Operating Temperature | T_use | -40℃~+85℃ | ||
Storage Temperature Range | T_stg | -55～125℃ | ||
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 | 0.5 μW Max. | ||
Load Capacitance | CL | 6pF;7pF;9pF;12.5pF | ||
Effective Resistance | RR | 70kΩ max. | 50kΩ max. | |
Motional Capacitance | C1 | 4.65fF Typ. | ||
Shunt Capacitance | C0 | 1.15pF Typ. | ||
Quality Factor | Q | 13000 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：3.2×1.5mm；TF3215 Series 选择需要的频率：32.768KHz 确定晶体的负载电容值（CL）：12.5pF 确定晶体的等效串联电阻（ESR）：70kΩ max. 选择需要的精度：±20ppm 选择需要的工作温度范围：-40℃~+85℃ 您需要的产品是：TF3215 Series 32.768KHz 12.5pF ±20ppm ESR=70kΩ max. -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 | -40℃~+85℃ | 70kΩ max. | **TF321532768D20F |
| 32.768KHz | 7pF | ±20ppm | -40℃~+85℃ | 70kΩ max. | **TF321532768C20F |
| 32.768KHz | 9pF | ±20ppm | -40℃~+85℃ | 70kΩ max. | **TF321532768G20F |
| 32.768KHz | 12.5pF | ±20ppm | -40℃~+85℃ | 70kΩ max. | **TF321532768A20F |
| 32.768KHz | 6pF | ±20ppm | -40℃~+85℃ | 50kΩ max. | **TF3215R32768D20F |
| 32.768KHz | 7pF | ±20ppm | -40℃~+85℃ | 50kΩ max. | **TF3215R32768C20F |
| 32.768KHz | 9pF | ±20ppm | -40℃~+85℃ | 50kΩ max. | **TF3215R32768G20F |
| 32.768KHz | 12.5pF | ±20ppm | -40℃~+85℃ | 50kΩ max. | **TF3215R32768A20F |