手機(jī)版
Q22FA2380004700晶振適用于便捷式電子儀器應(yīng)用,3225mm無源晶振
伴隨著網(wǎng)絡(luò)時(shí)代的進(jìn)步，藍(lán)牙通訊，可穿戴、移動(dòng)互聯(lián)網(wǎng)等技術(shù)的發(fā)展、便捷式攜帶設(shè)備等數(shù)碼電子產(chǎn)品，晶振是少不了的元器件，起著很重要的作用。
愛普生晶振FA-238是一款小體積尺寸3.2x2.5mm無源晶振，石英晶體諧振器，四腳貼片晶振，頻率范圍16MHz至60MHz，工作溫度-40℃至+85℃（+105℃），具有超小型，輕薄型，耐熱及耐環(huán)境特點(diǎn)，特別適用于小型便捷式移動(dòng)通訊，可穿戴設(shè)備，智能手機(jī)，平板電腦，便捷式電子儀器，汽車電子，智能家居等。
Q22FA2380004700晶振適用于便捷式電子儀器應(yīng)用
| 產(chǎn)品編碼 |
  貼片晶振
|
  型號(hào)
|
  頻率
|
  負(fù)載電容
|
  精度
|
      頻率公差
|
   工作溫度
|
| Q22FA2380000100 | 3.2x2.5x0.7mm | FA-238 | 20.000000MHz | 12pF | +/-50ppm | +/-30ppm | -20to+70°C |
| Q22FA2380000200 | 3.2x2.5x0.7mm | FA-238 | 20.000000MHz | 18pF | +/-50ppm | +/-30ppm | -20to+70°C |
| Q22FA2380001100 | 3.2x2.5x0.7mm | FA-238 | 16.934400MHz | 10pF | +/-50ppm | +/-30ppm | -20to+70°C |
| Q22FA2380001300 | 3.2x2.5x0.7mm | FA-238 | 25.000000MHz | 10pF | +/-50ppm | +/-30ppm | -20to+70°C |
| Q22FA2380002200 | 3.2x2.5x0.7mm | FA-238 | 27.000000MHz | 12pF | +/-50ppm | +/-30ppm | -20to+70°C |
| Q22FA2380002800 | 3.2x2.5x0.7mm | FA-238 | 27.000000MHz | 18pF | +/-50ppm | +/-30ppm | -20to+70°C |
| Q22FA2380003500 | 3.2x2.5x0.7mm | FA-238 | 20.000000MHz | 12pF | +/-30ppm | +/-30ppm | -20to+70°C |
| Q22FA2380004100 | 3.2x2.5x0.7mm | FA-238 | 24.000000MHz | 20pF | +/-50ppm | +/-30ppm | -20to+70°C |
| Q22FA2380004400 | 3.2x2.5x0.7mm | FA-238 | 24.000000MHz | 7pF | +/-50ppm | +/-30ppm | -20to+70°C |
| Q22FA2380004700 | 3.2x2.5x0.7mm | FA-238 | 16.000000MHz | 7pF | +/-50ppm | +/-30ppm | -20to+70°C |
| Q22FA2380004800 | 3.2x2.5x0.7mm | FA-238 | 49.152000MHz | 12pF | +/-50ppm | +/-30ppm | -20to+70°C |
| Q22FA2380006300 | 3.2x2.5x0.7mm | FA-238 | 24.576000MHz | 12pF | +/-50ppm | +/-30ppm | -20to+70°C |
| Q22FA2380006500 | 3.2x2.5x0.7mm | FA-238 | 24.000000MHz | 12pF | +/-50ppm | +/-30ppm | -20to+70°C |
| Q22FA2380007500 | 3.2x2.5x0.7mm | FA-238 | 50.000000MHz | 12pF | +/-50ppm | +/-30ppm | -20to+70°C |
| Q22FA2380007600 | 3.2x2.5x0.7mm | FA-238 | 48.000000MHz | 10pF | +/-50ppm | +/-30ppm | -20to+70°C |
| Q22FA2380007800 | 3.2x2.5x0.7mm | FA-238 | 48.000000MHz | 18pF | +/-50ppm | +/-30ppm | -20to+70°C |
| Q22FA2380007900 | 3.2x2.5x0.7mm | FA-238 | 27.000000MHz | 10pF | +/-50ppm | +/-30ppm | -20to+70°C |
| Q22FA2380008500 | 3.2x2.5x0.7mm | FA-238 | 48.000000MHz | 12pF | +/-50ppm | +/-30ppm | -20to+70°C |
| Q22FA2380008800 | 3.2x2.5x0.7mm | FA-238 | 24.576000MHz | 12pF | +/-30ppm | +/-30ppm | -20to+70°C |
| Q22FA2380183800 | 3.2x2.5x0.7mm | FA-238 | 33.330000MHz | 12pF | +/-20ppm | +/-20ppm | -30to+80°C |
| Q22FA2380183900 | 3.2x2.5x0.7mm | FA-238 | 25.000000MHz | 7pF | +/-20ppm | +/-20ppm | -40to+85°C |
| Q22FA2380184300 | 3.2x2.5x0.7mm | FA-238 | 25.000000MHz | 12pF | +/-20ppm | +/-30ppm | -40to+105°C |
| Q22FA2380184500 | 3.2x2.5x0.7mm | FA-238 | 25.000000MHz | 8pF | +/-30ppm | +/-30ppm | -40to+85°C |
| Q22FA2380184900 | 3.2x2.5x0.7mm | FA-238 | 24.000000MHz | 20pF | +/-15ppm | +/-30ppm | -40to+85°C |
| Q22FA2380185100 | 3.2x2.5x0.7mm | FA-238 | 18.432000MHz | 12pF | +/-20ppm | +/-30ppm | -40to+85°C |
| Q22FA2380185200 | 3.2x2.5x0.7mm | FA-238 | 48.000000MHz | 12pF | +/-50ppm | +/-30ppm | -20to+70°C |
| Q22FA2380185300 | 3.2x2.5x0.7mm | FA-238 | 25.000000MHz | 10pF | +/-30ppm | +/-50ppm | -20to+105°C |
| Q22FA2380185400 | 3.2x2.5x0.7mm | FA-238 | 30.000000MHz | 10pF | +/-30ppm | +/-50ppm | -20to+105°C |
| Q22FA2380185900 | 3.2x2.5x0.7mm | FA-238 | 28.636360MHz | 20pF | +/-50ppm | +/-30ppm | -20to+70°C |
| Q22FA2380186000 | 3.2x2.5x0.7mm | FA-238 | 16.000000MHz | 10.5pF | +/-30ppm | +/-30ppm | -20to+70°C |
| Q22FA2380186100 | 3.2x2.5x0.7mm | FA-238 | 25.000000MHz | 8pF | +/-15ppm | +/-30ppm | -20to+70°C |
| Q22FA2380186300 | 3.2x2.5x0.7mm | FA-238 | 25.000000MHz | 20pF | +/-20ppm | +/-30ppm | -40to+85°C |
| Q22FA2380186500 | 3.2x2.5x0.7mm | FA-238 | 25.000000MHz | 12.5pF | +/-20ppm | +/-30ppm | -40to+85°C |
| Q22FA2380186700 | 3.2x2.5x0.7mm | FA-238 | 24.000000MHz | 9pF | +/-20ppm | +/-30ppm | -40to+85°C |
| Q22FA2380186800 | 3.2x2.5x0.7mm | FA-238 | 50.000000MHz | 9pF | +/-20ppm | +/-30ppm | -20to+70°C |
| Q22FA2380186900 | 3.2x2.5x0.7mm | FA-238 | 24.524132MHz | 7pF | +/-50ppm | +/-30ppm | -20to+70°C |
| Q22FA2380187400 | 3.2x2.5x0.7mm | FA-238 | 50.000000MHz | 10pF | +/-20ppm | +/-30ppm | -20to+70°C |
| Q22FA2380187600 | 3.2x2.5x0.7mm | FA-238 | 20.000000MHz | 12pF | +/-50ppm | +/-50ppm | -40to+105°C |
| Q22FA2380187700 | 3.2x2.5x0.7mm | FA-238 | 25.572219MHz | 7pF | +/-50ppm | +/-30ppm | -20to+70°C |
| Q22FA2380187900 | 3.2x2.5x0.7mm | FA-238 | 16.000000MHz | 18pF | +/-20ppm | +/-30ppm | -40to+85°C |
| Q22FA2380188100 | 3.2x2.5x0.7mm | FA-238 | 48.000000MHz | 18pF | +/-50ppm | +/-50ppm | 0to+85°C |
| Q22FA2380188300 | 3.2x2.5x0.7mm | FA-238 | 27.000000MHz | 10pF | +/-50ppm | +/-50ppm | -40to+105°C |
便捷式電子儀器，使用率最高的額溫槍(紅外線測(cè)溫儀)，1秒可準(zhǔn)確測(cè)溫，無鐳射點(diǎn)，免除對(duì)眼睛之潛在傷害，不需接觸人體皮膚，避免交叉感染。為我們快速控制疫情，起著非常大的重要作用，在疫情早期，紅外線測(cè)溫儀一度供不應(yīng)求，可想而知它的需求量有多大。
紅外測(cè)溫槍針對(duì)測(cè)量人體額溫基準(zhǔn)設(shè)計(jì)，實(shí)現(xiàn)非接觸式測(cè)溫之目的，操作簡(jiǎn)單方便。1秒可準(zhǔn)確測(cè)溫，有效降低人與人之間的交叉感染之隱患。晶振的作用是為MCU提供基準(zhǔn)時(shí)鐘信號(hào)，以確保MCU各項(xiàng)指令順利進(jìn)行并完成，
晶振在實(shí)際工作中若出現(xiàn)不穩(wěn)定，如頻偏過大或不起振，會(huì)直接造成MCU失去指令功能，不良現(xiàn)象表現(xiàn)為不開機(jī)、LCD顯示屏無法點(diǎn)亮、或測(cè)溫遲緩等問題。
紅外測(cè)溫槍為便攜式電子儀器，需要電池供電，因此對(duì)晶振存在低功耗需求，晶振選型多為貼片式、小體積、低功耗?？傊?，晶振工作越穩(wěn)定且精度越高，紅外測(cè)溫槍測(cè)溫反應(yīng)越快，越精準(zhǔn)。
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