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首頁技術(shù)支持 32.768KHz振蕩器比普通音叉晶振更為準(zhǔn)確,Q0.032768-JTX210-12.5-20-T3-LF晶振

32.768KHz振蕩器比普通音叉晶振更為準(zhǔn)確,Q0.032768-JTX210-12.5-20-T3-LF晶振

來源:http://www.cecs.net.cn 作者:泰河盛電子 2024年03月08

 


70年代石英表的熱潮已經(jīng)表明:說到精確的時間記錄,沒有什么比石英晶振更好的了!今天也不例外。特征頻率為32.768kHz的頻率控制產(chǎn)品幾乎可用于所有集成時間測量的應(yīng)用,例如筆記本電腦、手機或微波爐。

在其JTX系列中,Jauch提供各種尺寸的SMD音叉晶體,用于與微控制器或RTC組件連接。然而,設(shè)計電路需要精度,以確保組件的可靠性能。例如,必須特別注意確保負(fù)載電容器正確匹配。

32.768kHz振蕩器的優(yōu)勢.如果你 不想為調(diào)諧設(shè)計正確的電路 叉形晶體,您可以依靠Jauch晶體 的32.768kHz振蕩器,配備齊全具有CMOS兼容的輸出信號。這種軌到軌輸出可實現(xiàn)非常輕松連接到所有常見的微控制器和RTC設(shè)備。

通過音叉晶體實現(xiàn)低電流消耗.例如,JRO3232.768kHz振蕩器非常易于使用。它內(nèi)部使用音叉晶體,因此具有特別低的電流消耗。此外,它可以在1.5V至5.0V的可變工作電壓下工作,這使其特別適合電池供電應(yīng)用。由于使用了音叉晶體,其輸出頻率在很大程度上取決于工作溫度。

AT-切割石英坯料確保較少的溫度依賴性

然而,與音叉晶體相比,振蕩器的易用性并不是該組件的唯一優(yōu)勢。上述輸出頻率和工作溫度之間的相關(guān)性說明了Jauch振蕩器JO22和JO3232.768kHz的使用。這些振蕩器使用所謂的AT切割石英坯料而不是音叉晶體,因此它們的輸出頻率對工作溫度的依賴性要小得多。

Jauch晶振的JSO15-TR提供了更好的頻率穩(wěn)定性。它是一款32.768kHzTCXO,在-5°C至+40°C的溫度范圍內(nèi)提供高達(dá)+/-85ppm的無與倫比的頻率穩(wěn)定性。JSO15-TR采用微型CSP封裝。

其 通過精確的溫度補償實現(xiàn)出色的頻率穩(wěn)定性, 在生產(chǎn)過程中在多個溫度下進(jìn)行。這 工廠“修整”也使這款32.768kHz振蕩器非常對工作電壓波動不敏感。在1.5V至3.63V,工作電壓的變化對頻率沒有影響穩(wěn)定性。極低的電流消耗僅為幾μA,也是出色。

 

下圖顯示:JSO15-TR的頻率穩(wěn)定性遠(yuǎn)遠(yuǎn)優(yōu)于普通的32.768K進(jìn)口音叉晶體的典型穩(wěn)定性。這使得JSO15-TR成為需要長時間穩(wěn)定定時功能的應(yīng)用的理想選擇。此外,JSO15-TR的微型尺寸和特別低的功耗使其成為電池供電的便攜式設(shè)備(如醫(yī)療測量儀器,傳感器或可穿戴設(shè)備)的正確選擇。與傳統(tǒng)音叉晶體相比,32.768kHz振蕩器具有一些主要優(yōu)勢:由于溫度補償和使用AT切割石英坯料,它們更易于使用,并且(取決于型號)比經(jīng)典音叉晶體更精確。然而,音叉晶體仍然需要:在正確設(shè)計的電路中,它們還可以確保穩(wěn)定的頻率。

JAUCH原廠編碼 生產(chǎn)商品牌 型號 頻率 頻率容差 頻率穩(wěn)定度
Q 0.032768-JTX310-12.5-20-T1-HMR-LF Jauch晶振 JTX310 32.768kHz - ±20ppm
Q 0.032768-JTX310-12.5-20-T2-HMR-LF Jauch晶振 JTX310 32.768kHz - ±20ppm
Q 0.032768-JTX310-9-20-T1-HMR-LF Jauch晶振 JTX310 32.768kHz - ±20ppm
Q 0.032768-JTX310-12.5-20-T3-HMR-LF Jauch晶振 JTX310 32.768kHz - ±20ppm
Q 0.032768-JTX310-12.5-20-T1-HMR-50K-LF Jauch晶振 JTX310 32.768kHz - ±20ppm
Q 0.032768-JTX310-12.5-20-T1-HMR-60K-LF Jauch晶振 JTX310 32.768kHz - ±20ppm
Q 0.032768-JTX310-7-20-T1-HMR-LF Jauch晶振 JTX310 32.768kHz - ±20ppm
Q 0.032768-JTX310-9-20-T2-HMR-LF Jauch晶振 JTX310 32.768kHz - ±20ppm
Q 0.032768-JTX310-7-20-T2-HMR-LF Jauch晶振 JTX310 32.768kHz - ±20ppm
Q 0.032768-JTX310-9-20-T3-HMR-LF Jauch晶振 JTX310 32.768kHz - ±20ppm
Q 0.032768-JTX310-12.5-20-T2-HMR-70K-LF Jauch晶振 JTX310 32.768kHz - ±20ppm
Q 0.032768-JTX310-7-20-T3-HMR-LF Jauch晶振 JTX310 32.768kHz - ±20ppm
Q 0.032768-JTX310-12.5-20-T3-HMR-70K-LF Jauch晶振 JTX310 32.768kHz - ±20ppm
Q 0.032768-JTX310-6-20-T1-HMR-LF Jauch晶振 JTX310 32.768kHz - ±20ppm
Q 0.032768-JTX310-6-20-T2-HMR-LF Jauch晶振 JTX310 32.768kHz - ±20ppm
Q 0.032768-JTX210-12.5-20-T1-LF Jauch晶振 JTX210 32.768kHz - ±20ppm
Q 0.032768-JTX210-9-20-T1-LF Jauch晶振 JTX210 32.768kHz - ±20ppm
Q 0.032768-JTX310-6-20-T3-HMR-LF Jauch晶振 JTX310 32.768kHz - ±20ppm
Q 19.2-JXS32-10-10/10-WA-LF Jauch晶振 JXS32-WA 19.2MHz ±10ppm ±10ppm
Q 19.2-JXS32-12-10/10-WA-LF Jauch晶振 JXS32-WA 19.2MHz ±10ppm ±10ppm
Q 19.2-JXS32-8-10/10-WA-LF Jauch晶振 JXS32-WA 19.2MHz ±10ppm ±10ppm
Q 19.2-JXS32-9-10/10-WA-LF Jauch晶振 JXS32-WA 19.2MHz ±10ppm ±10ppm
Q 20.0-JXS32-10-10/10-FU-WA-LF Jauch晶振 JXS32-WA 20MHz ±10ppm ±10ppm
Q 20.0-JXS32-12-10/10-FU-WA-LF Jauch晶振 JXS32-WA 20MHz ±10ppm ±10ppm
Q 20.0-JXS32-8-10/10-FU-WA-LF Jauch晶振 JXS32-WA 20MHz ±10ppm ±10ppm
Q 20.0-JXS32-9-10/10-FU-WA-LF Jauch晶振 JXS32-WA 20MHz ±10ppm ±10ppm
Q 24.0-JXS32-10-10/10-FU-WA-LF Jauch晶振 JXS32-WA 24MHz ±10ppm ±10ppm
Q 24.0-JXS32-12-10/10-FU-WA-LF Jauch晶振 JXS32-WA 24MHz ±10ppm ±10ppm
Q 24.0-JXS32-8-10/10-FU-WA-LF Jauch晶振 JXS32-WA 24MHz ±10ppm ±10ppm
Q 24.0-JXS32-9-10/10-FU-WA-LF Jauch晶振 JXS32-WA 24MHz ±10ppm ±10ppm
Q 26.0-JXS32-10-10/10-FU-WA-LF Jauch晶振 JXS32-WA 26MHz ±10ppm ±10ppm
Q 26.0-JXS32-12-10/10-FU-WA-LF Jauch晶振 JXS32-WA 26MHz ±10ppm ±10ppm
Q 26.0-JXS32-8-10/10-FU-WA-LF Jauch晶振 JXS32-WA 26MHz ±10ppm ±10ppm
Q 26.0-JXS32-9-10/10-FU-WA-LF Jauch晶振 JXS32-WA 26MHz ±10ppm ±10ppm
Q 27.12-JXS32-10-10/10-FU-WA-LF Jauch晶振 JXS32-WA 27.12MHz ±10ppm ±10ppm
Q 27.12-JXS32-12-10/10-FU-WA-LF Jauch晶振 JXS32-WA 27.12MHz ±10ppm ±10ppm
Q 27.12-JXS32-8-10/10-FU-WA-LF Jauch晶振 JXS32-WA 27.12MHz ±10ppm ±10ppm
Q 27.12-JXS32-9-10/10-FU-WA-LF Jauch晶振 JXS32-WA 27.12MHz ±10ppm ±10ppm
Q 16.0-JXS32-10-10/10-WA-LF Jauch晶振 JXS32-WA 16MHz ±10ppm ±10ppm
Q 16.0-JXS32-12-10/10-WA-LF Jauch晶振 JXS32-WA 16MHz ±10ppm ±10ppm
Q 16.0-JXS32-8-10/10-WA-LF Jauch晶振 JXS32-WA 16MHz ±10ppm ±10ppm
Q 16.0-JXS32-9-10/10-WA-LF Jauch晶振 JXS32-WA 16MHz ±10ppm ±10ppm
Q 38.4-JXS32-10-10/10-FU-WA-LF Jauch晶振 JXS32-WA 38.4MHz ±10ppm ±10ppm
Q 38.4-JXS32-12-10/10-FU-WA-LF Jauch晶振 JXS32-WA 38.4MHz ±10ppm ±10ppm
Q 38.4-JXS32-8-10/10-FU-WA-LF Jauch晶振 JXS32-WA 38.4MHz ±10ppm ±10ppm
Q 38.4-JXS32-9-10/10-FU-WA-LF Jauch晶振 JXS32-WA 38.4MHz ±10ppm ±10ppm
Q 32.0-JXS32-10-10/10-FU-WA-LF Jauch晶振 JXS32-WA 32MHz ±10ppm ±10ppm
Q 32.0-JXS32-12-10/10-FU-WA-LF Jauch晶振 JXS32-WA 32MHz ±10ppm ±10ppm
Q 32.0-JXS32-8-10/10-FU-WA-LF Jauch晶振 JXS32-WA 32MHz ±10ppm ±10ppm
Q 32.0-JXS32-9-10/10-FU-WA-LF Jauch晶振 JXS32-WA 32MHz ±10ppm ±10ppm
Q 0.032768-JTX310-12.5-10-T1-HMR-LF Jauch晶振 JTX310 32.768kHz - ±10ppm
Q 0.032768-JTX210-12.5-20-T2-LF Jauch晶振 JTX210 32.768kHz - ±20ppm
Q 19.2-JXS32-10-10/15-T1-WA-LF Jauch晶振 JXS32-WA 19.2MHz ±15ppm ±10ppm
Q 19.2-JXS32-12-10/15-T1-WA-LF Jauch晶振 JXS32-WA 19.2MHz ±15ppm ±10ppm
Q 19.2-JXS32-8-10/15-T1-WA-LF Jauch晶振 JXS32-WA 19.2MHz ±15ppm ±10ppm
Q 19.2-JXS32-9-10/15-T1-WA-LF Jauch晶振 JXS32-WA 19.2MHz ±15ppm ±10ppm
Q 20.0-JXS32-10-10/15-T1-FU-WA-LF Jauch晶振 JXS32-WA 20MHz ±15ppm ±10ppm
Q 20.0-JXS32-12-10/15-T1-FU-WA-LF Jauch晶振 JXS32-WA 20MHz ±15ppm ±10ppm
Q 20.0-JXS32-8-10/15-T1-FU-WA-LF Jauch晶振 JXS32-WA 20MHz ±15ppm ±10ppm
Q 20.0-JXS32-9-10/15-T1-FU-WA-LF Jauch晶振 JXS32-WA 20MHz ±15ppm ±10ppm
Q 24.0-JXS32-10-10/15-T1-FU-WA-LF Jauch晶振 JXS32-WA 24MHz ±15ppm ±10ppm
 

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