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低功耗晶體振蕩器X1G004481012800適用于千兆以太網(wǎng)應(yīng)用
愛普生晶振推出的一款SPXO晶振系列，型號(hào)SG7050CAN是一款CMOS輸出石英晶體振蕩器，常規(guī)的7050尺寸擴(kuò)展溫度有源貼片晶振，頻率范圍4MHz至72MHz，1.6V至3.63V的寬工作電源電壓和寬工作溫度范圍從-40℃到85℃，此外，最高工作溫度可達(dá)105℃。 這些SPXO提供從2.0x1.6mm到7.0x5.0mm的五種不同封裝尺寸，四腳貼片石英晶振，并提供標(biāo)準(zhǔn)引腳排列。具有輸出頻率穩(wěn)定和低功耗，低電源電壓，低抖動(dòng)的特點(diǎn)，符合工業(yè)級(jí)標(biāo)準(zhǔn)，在空載條件下輸出最大頻率時(shí)，元件的電流損耗僅為3.0mA。降低系統(tǒng)待機(jī)功耗的同時(shí)可有效延長(zhǎng)電源裝置的使用壽命。通過控制引腳ST的高低電平還可實(shí)現(xiàn)待機(jī)模式的切換，其中待機(jī)模式下電流損耗可低至2.7μA，進(jìn)一步降低了元件的待機(jī)功耗。此外，最大啟動(dòng)時(shí)間3ms，保證了低功耗設(shè)計(jì)對(duì)設(shè)備喚醒速度的要求。非常適用于物聯(lián)網(wǎng)、移動(dòng)設(shè)備，USB、GPS系統(tǒng)、光纖通道、千兆以太網(wǎng)以及工控類IC時(shí)鐘芯片，為網(wǎng)絡(luò)設(shè)備提供穩(wěn)定的時(shí)鐘信號(hào)。
低功耗晶體振蕩器X1G004481012800適用于千兆以太網(wǎng)應(yīng)用
| 產(chǎn)品編碼 |
 型號(hào)
|
 頻率
|
 貼片晶振
|
 輸出波
|
 電源電壓
|
 工作溫度
|
| X1G004481000100 | SG7050CAN | 12.288000MHz | 7.00x5.00x1.30mm | CMOS | 1.620 to 3.630 V | -40 to 85 °C |
| X1G004481000200 | SG7050CAN | 24.000000MHz | 7.00x5.00x1.30mm | CMOS | 1.620 to 3.630 V | -40 to 85 °C |
| X1G004481000300 | SG7050CAN | 25.000000MHz | 7.00x5.00x1.30mm | CMOS | 1.620 to 3.630 V | -40 to 85 °C |
| X1G004481000400 | SG7050CAN | 27.000000MHz | 7.00x5.00x1.30mm | CMOS | 1.620 to 3.630 V | -40 to 85 °C |
| X1G004481000500 | SG7050CAN | 10.000000MHz | 7.00x5.00x1.30mm | CMOS | 1.620 to 3.630 V | -40 to 85 °C |
| X1G004481000600 | SG7050CAN | 12.000000MHz | 7.00x5.00x1.30mm | CMOS | 1.620 to 3.630 V | -40 to 85 °C |
| X1G004481000700 | SG7050CAN | 16.000000MHz | 7.00x5.00x1.30mm | CMOS | 1.620 to 3.630 V | -40 to 85 °C |
| X1G004481000800 | SG7050CAN | 20.000000MHz | 7.00x5.00x1.30mm | CMOS | 1.620 to 3.630 V | -40 to 85 °C |
| X1G004481000900 | SG7050CAN | 32.000000MHz | 7.00x5.00x1.30mm | CMOS | 1.620 to 3.630 V | -40 to 85 °C |
| X1G004481001100 | SG7050CAN | 48.000000MHz | 7.00x5.00x1.30mm | CMOS | 1.620 to 3.630 V | -40 to 85 °C |
| X1G004481001200 | SG7050CAN | 50.000000MHz | 7.00x5.00x1.30mm | CMOS | 1.620 to 3.630 V | -40 to 85 °C |
| X1G004481001400 | SG7050CAN | 8.000000MHz | 7.00x5.00x1.30mm | CMOS | 1.620 to 3.630 V | -40 to 85 °C |
| X1G004481001500 | SG7050CAN | 40.000000MHz | 7.00x5.00x1.30mm | CMOS | 1.620 to 3.630 V | -40 to 85 °C |
| X1G004481001600 | SG7050CAN | 24.576000MHz | 7.00x5.00x1.30mm | CMOS | 1.620 to 3.630 V | -40 to 85 °C |
| X1G004481002200 | SG7050CAN | 24.000000MHz | 7.00x5.00x1.30mm | CMOS | 1.620 to 3.630 V | -20 to 70 °C |
| X1G004481002500 | SG7050CAN | 14.745600MHz | 7.00x5.00x1.30mm | CMOS | 1.620 to 3.630 V | -40 to 85 °C |
| X1G004481003300 | SG7050CAN | 33.333300MHz | 7.00x5.00x1.30mm | CMOS | 1.620 to 3.630 V | -40 to 85 °C |
| X1G004481003500 | SG7050CAN | 26.000000MHz | 7.00x5.00x1.30mm | CMOS | 1.620 to 3.630 V | -40 to 85 °C |
| X1G004481005100 | SG7050CAN | 4.000000MHz | 7.00x5.00x1.30mm | CMOS | 1.620 to 3.630 V | -40 to 85 °C |
| X1G004481011200 | SG7050CAN | 50.000000MHz | 7.00x5.00x1.30mm | CMOS | 1.620 to 3.630 V | -20 to 70 °C |
| X1G004481011600 | SG7050CAN | 25.000000MHz | 7.00x5.00x1.30mm | CMOS | 1.620 to 3.630 V | -20 to 70 °C |
| X1G004481012800 | SG7050CAN | 20.000000MHz | 7.00x5.00x1.30mm | CMOS | 1.620 to 3.630 V | -20 to 70 °C |
| X1G004481016000 | SG7050CAN | 50.000000MHz | 7.00x5.00x1.30mm | CMOS | 1.620 to 3.630 V | -40 to 105 °C |
| X1G004481017900 | SG7050CAN | 33.330000MHz | 7.00x5.00x1.30mm | CMOS | 1.620 to 3.630 V | -40 to 85 °C |
| X1G004481018300 | SG7050CAN | 72.000000MHz | 7.00x5.00x1.30mm | CMOS | 1.710 to 3.630 V | -40 to 85 °C |
| X1G004481022600 | SG7050CAN | 48.000000MHz | 7.00x5.00x1.30mm | CMOS | 1.620 to 3.630 V | -20 to 70 °C |
| X1G004481025200 | SG7050CAN | 4.000000MHz | 7.00x5.00x1.30mm | CMOS | 1.620 to 3.630 V | -40 to 105 °C |
| X1G004481025300 | SG7050CAN | 8.000000MHz | 7.00x5.00x1.30mm | CMOS | 1.620 to 3.630 V | -40 to 105 °C |
| X1G004481025400 | SG7050CAN | 10.000000MHz | 7.00x5.00x1.30mm | CMOS | 1.620 to 3.630 V | -40 to 105 °C |
| X1G004481025500 | SG7050CAN | 12.000000MHz | 7.00x5.00x1.30mm | CMOS | 1.620 to 3.630 V | -20 to 70 °C |
| X1G004481025600 | SG7050CAN | 12.000000MHz | 7.00x5.00x1.30mm | CMOS | 1.620 to 3.630 V | -40 to 105 °C |
| X1G004481025700 | SG7050CAN | 12.288000MHz | 7.00x5.00x1.30mm | CMOS | 1.620 to 3.630 V | -20 to 70 °C |
| X1G004481025800 | SG7050CAN | 12.288000MHz | 7.00x5.00x1.30mm | CMOS | 1.620 to 3.630 V | -40 to 105 °C |
| X1G004481025900 | SG7050CAN | 14.745600MHz | 7.00x5.00x1.30mm | CMOS | 1.620 to 3.630 V | -40 to 105 °C |
| X1G004481026000 | SG7050CAN | 16.000000MHz | 7.00x5.00x1.30mm | CMOS | 1.620 to 3.630 V | -40 to 105 °C |
| X1G004481026100 | SG7050CAN | 20.000000MHz | 7.00x5.00x1.30mm | CMOS | 1.620 to 3.630 V | -40 to 105 °C |
| X1G004481026200 | SG7050CAN | 24.000000MHz | 7.00x5.00x1.30mm | CMOS | 1.620 to 3.630 V | -40 to 105 °C |
| X1G004481026300 | SG7050CAN | 24.576000MHz | 7.00x5.00x1.30mm | CMOS | 1.620 to 3.630 V | -40 to 85 °C |
| X1G004481026400 | SG7050CAN | 25.000000MHz | 7.00x5.00x1.30mm | CMOS | 1.620 to 3.630 V | -40 to 105 °C |
| X1G004481026500 | SG7050CAN | 26.000000MHz | 7.00x5.00x1.30mm | CMOS | 1.620 to 3.630 V | -40 to 105 °C |
| X1G004481026600 | SG7050CAN | 27.000000MHz | 7.00x5.00x1.30mm | CMOS | 1.620 to 3.630 V | -40 to 105 °C |
| X1G004481026700 | SG7050CAN | 32.000000MHz | 7.00x5.00x1.30mm | CMOS | 1.620 to 3.630 V | -40 to 105 °C |
| X1G004481026800 | SG7050CAN | 33.330000MHz | 7.00x5.00x1.30mm | CMOS | 1.620 to 3.630 V | -40 to 105 °C |
| X1G004481026900 | SG7050CAN | 33.333300MHz | 7.00x5.00x1.30mm | CMOS | 1.620 to 3.630 V | -40 to 105 °C |
| X1G004481027000 | SG7050CAN | 40.000000MHz | 7.00x5.00x1.30mm | CMOS | 1.620 to 3.630 V | -40 to 105 °C |
| X1G004481027100 | SG7050CAN | 48.000000MHz | 7.00x5.00x1.30mm | CMOS | 1.620 to 3.630 V | -40 to 105 °C |
| X1G004481027200 | SG7050CAN | 72.000000MHz | 7.00x5.00x1.30mm | CMOS | 1.710 to 3.630 V | -20 to 70 °C |
| X1G004481027300 | SG7050CAN | 72.000000MHz | 7.00x5.00x1.30mm | CMOS | 2.250 to 3.630 V | -40 to 105 °C |
低功耗晶體振蕩器X1G004481012800適用于千兆以太網(wǎng)應(yīng)用
石英晶體振蕩器（以下簡(jiǎn)稱晶振）是利用石英晶體壓電效應(yīng)而制成的器件，它的作用是輸出高精度和高穩(wěn)定度的脈沖信號(hào)，為整個(gè)電路提供時(shí)序基準(zhǔn)。我們知道，現(xiàn)在電路中有越來越多的時(shí)序電路，它們之間的協(xié)同運(yùn)行必須要有一個(gè)時(shí)間基準(zhǔn)，才能統(tǒng)一一致的行動(dòng)，就像電視劇里特種行動(dòng)小隊(duì)在出發(fā)前都要對(duì)下表一樣，晶振在系統(tǒng)中起的作用就如同隊(duì)長(zhǎng)的手表，它如果穩(wěn)定性或準(zhǔn)確性不好的話，那整個(gè)系統(tǒng)就會(huì)錯(cuò)誤頻出，故障率很高。所以又把晶振稱為單板的“心臟”。 石英晶體振蕩器是由品質(zhì)因數(shù)Q極高的石英晶體諧振器和振蕩電路組成。晶體的品質(zhì)因數(shù)、切割取向、晶體振子的結(jié)構(gòu)及電路形式等，共同決定振蕩器的性能。國(guó)際電工委員會(huì)（IEC）將石英晶體振蕩器分為4類：普通晶體振蕩（SPXO），電壓控制式晶體振蕩（VCXO），溫度補(bǔ)償式晶體振蕩（TCXO），恒溫控制式晶體振蕩（OCXO）。目前發(fā)展中的還有數(shù)字補(bǔ)償式晶體振蕩（DCXO）以及混合式的VOCXO振蕩等。
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