深圳市星通時(shí)頻電子有限公司
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訪問次數(shù):168更新時(shí)間:2023-08-29 18:21:45
產(chǎn)品詳情
特點(diǎn)
- 低功耗
- 高精度
- 高穩(wěn)定性
- 低老化
產(chǎn)品應(yīng)用
- 實(shí)時(shí)時(shí)鐘
- 便攜式電子
- 智能電表
- 通訊設(shè)備
- 物聯(lián)網(wǎng)設(shè)備
介紹
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 | |||||
選擇需要的封裝規(guī)格及產(chǎn)品系列:3.2×1.5mm;TF3215 Series 選擇需要的頻率:32.768KHz 確定晶體的負(fù)載電容值(CL):12.5pF 確定晶體的等效串聯(lián)電阻(ESR):70kΩ max. 選擇需要的精度:±20ppm 選擇需要的工作溫度范圍:-40℃~+85℃ 您需要的產(chǎn)品是:TF3215 Series 32.768KHz 12.5pF ±20ppm ESR=70kΩ max. -40~+85℃ | |||||
⑵. 標(biāo)準(zhǔn)規(guī)格及型號 | |||||
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 |