SIT1532

SIT1532 | 32.768kHz Oscillators

Product Introduction

The SIT1532 is a SiTime ultra-low power 32.768kHz MEMS oscillator with a typical current of just 900nA and less than 1µA maximum — one of the world's smallest and lowest-power 32kHz oscillators. It supports NanoDrive™ programmable output swing to adapt the clock signal to the downstream chip's input requirements and further reduce power; it connects directly to the chip's XTAL input without external load capacitors, and integrates VDD filtering so no external bypass capacitor is needed. Packaged in a 1.5×0.8mm 1508 CSP, it is the ideal clock source for smart watches, fitness bands, hearables, smartphones, sport video camcorders and other space- and power-constrained designs.

Core Advantages

• Ultra-low power — 900nA typical, <1µA max: optimized for battery-powered devices, with typical current consumption of just 900nA and maximum below 1µA. The NanoDrive™ programmable output swing technology further reduces power according to the downstream chip's needs, effectively extending both standby and operating time of the device.
• High integration and ease of use — zero external components: it connects directly to the chip's XTAL input pin with no external load capacitors, simplifying circuit design. Integrated VDD filtering eliminates the need for an external bypass capacitor, saving PCB space and reducing bill-of-materials (BOM) cost.
• Ultra-small 1508 CSP package (1.5×0.8×0.55mm): perfectly meets the miniaturization demands of smart wearable products.

Key Features

Alternative Products and Reasons

• Cross-reference: in the same 32.768KHz Oscillators category on YQM, the SiTime SIT1533 (same 1.5×0.8mm CSP family, ±100ppm) and other low-power 32.768kHz oscillators are also available. Contact YQM for drop-in replacement and selection support.

Applications

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