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首頁企業(yè)博客 PETERMANN高精度SXO18-02502-S-E-25-M-32.768kHz-T振蕩器征服可穿戴設(shè)備

PETERMANN高精度SXO18-02502-S-E-25-M-32.768kHz-T振蕩器征服可穿戴設(shè)備

來源：http://eitherspanlaw.com 作者：億金電子 2024年04月17
PETERMANN高精度SXO18-02502-S-E-25-M-32.768kHz-T振蕩器征服可穿戴設(shè)備
只有使用高精度32.768kHz系統(tǒng)時(shí)鐘（來自PETERMANN-TECHNIK的32.768kHz“下一代振蕩器”）才能實(shí)現(xiàn)這一點(diǎn)。使用32.768kHz振蕩器可以節(jié)省50%以上的應(yīng)用功耗。簡直聰明！
PETERMANN進(jìn)口晶振的32.768kHz“下一代振蕩器”(ULPO-RB1、-RB2和ULPPO系列)在-40/+85°C溫度范圍內(nèi)的溫度穩(wěn)定性為±5 ppm，在-40/+85°C溫度范圍內(nèi)的精度是32.768kHz石英的36倍。這款微振蕩器的尺寸為1.5×0.8和2.0×1.2毫米，具有令人印象深刻的業(yè)界最佳功耗:1.8VDC (750nA內(nèi)核)時(shí)小于1.0 A。
其輸出幅度可以調(diào)節(jié)，以進(jìn)一步降低功耗，其非常快速的第一次振蕩行為是獨(dú)一無二的特點(diǎn)。通常，兩個(gè)32.768K晶振用于為BL/BLE芯片和低功耗MCU的睡眠時(shí)鐘提供時(shí)鐘。上述兩個(gè)系列中的一個(gè)超低功耗32.768kHz振蕩器可以同時(shí)為兩個(gè)IC提供時(shí)鐘。通過用一個(gè)振蕩器取代兩個(gè)32.768kHz石英，您可以有多種選擇來節(jié)省電路板空間和大量資金。此外，使用32.768kHz超低功耗振蕩器，電路可以在所有條件和溫度下完美振蕩。與32.768kHz石英晶振相比，32.768kHz超低功耗振蕩器在-40/+85°C溫度下的精度提高了36倍，可提供極高精度的系統(tǒng)時(shí)鐘，從而非常快速地處理高能耗的休眠到處理再休眠過程。此外，由于非常高的系統(tǒng)精度，可以完全跳過通常用于可穿戴設(shè)備與接收器同步的喚醒。測量表明，配備32.768kHz振蕩器的可穿戴設(shè)備比配備32.768kHz石英的可穿戴設(shè)備功耗低50%以上。這完全是因?yàn)榉浅８呔鹊?2.768kHz貼片晶振超低功耗振蕩器可以跳過所有耗能的喚醒和同步過程，從而允許休眠技術(shù)BL/BLE芯片的極短處理序列。
當(dāng)然，彼得曼技術(shù)公司有高性能，低成本MHz石英可用作BL/BLE芯片的參考時(shí)鐘。PETERMANN-TECHNIK也提供樣品和批量生產(chǎn)產(chǎn)品。如果您希望依靠高度創(chuàng)新、極低功耗的技術(shù)，請從PETERMANN-TECHNIK獲得快速簡便的專家建議。還提供汽車解決方案，32.768kHz系統(tǒng)時(shí)鐘的絕對值為40ppm，BL/BLE芯片時(shí)鐘MHz振蕩器的絕對值為40ppm。通過為當(dāng)今客戶使用32.768K振蕩器，確保您的可穿戴設(shè)備在商業(yè)上取得成功，他們需要智能技術(shù)來實(shí)現(xiàn)綠色世界！

PETERMANN高精度SXO18-02502-S-E-25-M-32.768kHz-T振蕩器征服可穿戴設(shè)備
SMD OSCILLATORS 32.768 KHZ CONQUER WEARABLES
This is feasible only with a high-precision 32.768kHz system clock – a 32.768kHz “next-generation oscillator” from PETERMANN-TECHNIK. You can save more than 50% of application power using a 32.768kHz oscillator. Simply smart!
The 32.768kHz “next-generation oscillators” from PETERMANN-TECHNIK (Series ULPO-RB1, -RB2 and ULPPO) offer temperature stabilities from ±5ppm at -40/+85°C, and with ±5ppm, they are 36x more precise within the temperature range of -40/+85°C than a 32.768kHz quartz. This micro-oscillator with dimensions of 1.5×0.8 and 2.0×1.2mm features an impressive industry-best power consumption of <1.0µA@1.8VDC (750nA core).
Its output amplitude, which is adjustable to further reduce power consumption, and its very quick first-oscillation behaviour are unique features. Normally, two 32.768kHz quartzes are used to clock the sleep clock of a BL/BLE chip and a low-power MCU. An ultra-low power 32.768kHz oscillator from one of the two series named above can clock both ICs simultaneously. By replacing the two 32.768kHz quartzes with one oscillator, you get a multitude of options to save both board space and lots of money. In addition, with a 32.768kHz ultra-low power oscillator the circuit starts oscillating perfectly under all conditions and temperatures. With 36x more precision at -40/+85°C compared to a 32.768kHz quartz, the 32.768kHz ultra-low power oscillators provide an extremely high-precision system clock, resulting in the very quick processing of the highly energy-intensive sleep-to-process-to-sleep procedure. In addition, the wake-ups often used for the synchronization of the wearable with the receiver can be skipped completely thanks to the very high system precision. Measurements have shown that wearables equipped with a 32.768kHz oscillator consume >50% less power than wearables which are equipped with 32.768kHz quartzes. This is simply due to the fact that all the energy-consuming wake-ups and synchronization processes can be skipped thanks to the very high-precision 32.768kHz ultra-low power oscillator, allowing for an extremely short process sequence of the hibernation technology BL/BLE chip.
Of course, PETERMANN-TECHNIK have high-performance, low-cost MHz quartzes available as reference clocks for the BL/BLE chip. Samples and serial-production quantities are also available ex-warehouse from PETERMANN-TECHNIK. If you want to count on highly innovative, extremely low-power technology, get quick and easy expert advice from PETERMANN-TECHNIK. Automotive solutions with ±40ppm absolute for the 32.768kHz system clock and ±40ppm absolute for the BL/BLE chip clocking MHz oscillator are also available. Ensure the commercial success of your wearables by using 32.768kHz oscillators for today’s customers, who are demanding Smart Technology for a Green World!
 

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