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PETERMANN高精度SXO18-02502-S-E-25-M-32.768kHz-T振荡器征服可穿戴设备

来源：http://yijindz.com 作者：亿金电子 2024年04月17

PETERMANN高精度SXO18-02502-S-E-25-M-32.768kHz-T振荡器征服可穿戴设备
只有使用高精度32.768kHz系统时钟（来自PETERMANN-TECHNIK的32.768kHz“下一代振荡器”）才能实现这一点。使用32.768kHz振荡器可以节省50%以上的应用功耗。简直聪明！

PETERMANN进口晶振的32.768kHz“下一代振荡器”(ULPO-RB1、-RB2和ULPPO系列)在-40/+85°C温度范围内的温度稳定性为±5 ppm，在-40/+85°C温度范围内的精度是32.768kHz石英的36倍。这款微振荡器的尺寸为1.5×0.8和2.0×1.2毫米，具有令人印象深刻的业界最佳功耗:1.8VDC (750nA内核)时小于1.0 A。

其输出幅度可以调节，以进一步降低功耗，其非常快速的第一次振荡行为是独一无二的特点。通常，两个32.768K晶振用于为BL/BLE芯片和低功耗MCU的睡眠时钟提供时钟。上述两个系列中的一个超低功耗32.768kHz振荡器可以同时为两个IC提供时钟。通过用一个振荡器取代两个32.768kHz石英，您可以有多种选择来节省电路板空间和大量资金。此外，使用32.768kHz超低功耗振荡器，电路可以在所有条件和温度下完美振荡。与32.768kHz石英晶振相比，32.768kHz超低功耗振荡器在-40/+85°C温度下的精度提高了36倍，可提供极高精度的系统时钟，从而非常快速地处理高能耗的休眠到处理再休眠过程。此外，由于非常高的系统精度，可以完全跳过通常用于可穿戴设备与接收器同步的唤醒。测量表明，配备32.768kHz振荡器的可穿戴设备比配备32.768kHz石英的可穿戴设备功耗低50%以上。这完全是因为非常高精度的32.768kHz贴片晶振超低功耗振荡器可以跳过所有耗能的唤醒和同步过程，从而允许休眠技术BL/BLE芯片的极短处理序列。
当然，彼得曼技术公司有高性能，低成本MHz石英可用作BL/BLE芯片的参考时钟。PETERMANN-TECHNIK也提供样品和批量生产产品。如果您希望依靠高度创新、极低功耗的技术，请从PETERMANN-TECHNIK获得快速简便的专家建议。还提供汽车解决方案，32.768kHz系统时钟的绝对值为40ppm，BL/BLE芯片时钟MHz振荡器的绝对值为40ppm。通过为当今客户使用32.768K振荡器，确保您的可穿戴设备在商业上取得成功，他们需要智能技术来实现绿色世界！

PETERMANN高精度SXO18-02502-S-E-25-M-32.768kHz-T振荡器征服可穿戴设备

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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