SiT1566 Super-TCXOs

Product Highlights > SiT1566 Super-TCXOs

            SiT1566 Super-TCXOs
                    SiTime presents the world’s smallest low power TCXOs for wearable, IoT, mobile, and consumer applications
    

Image of SiTime's SiT1566 Super-TCXO SiTime's SiT1566 series of MEMs TCXOs are ultra-small, micropower 32.768 kHz TCXOs optimized for battery-powered applications. SiTime's patented TempFlat MEMS™ technology enables the first 32 kHz ±5 ppm super-TCXO in a 1.2 mm² chip-scale package, the world's smallest footprint. Typical core supply current is only 4.5 μA. The SiT1566 is factory calibrated over multiple temperature points to guarantee extremely precise ±5 ppm all-inclusive frequency stability over a -40°C to +85°C temperature range.

SiTime's MEMS oscillator consists of a MEMS resonator and a programmable analog circuit. SiT1566 MEMS resonator is built with SiTime's unique MEMS First™ process. A key manufacturing step is EpiSeal™ during which the MEMS resonator is annealed with temperatures over 1000°C. EpiSeal creates an extremely strong, clean, vacuum chamber that encapsulates the MEMS resonator and ensures the best performance and reliability.

Features and Benefits

±5 ppm frequency stability over temperature

Improved local timekeeping and improved system power with less dependency on network timekeeping updates with mobile and wearable devices

Smallest footprint in chip-scale (CSP): 1.5 mm x 0.8 mm

Saves board space

Ultra-low power: 4.5 µA (typ)

Maximizes battery life

Low jitter 4 ns_RMS integrated phase jitter (IPJ)

Suitable for audio applications

Internal V_DD supply filtering

Eliminates external V_DD bypass capacitor to maintain ultra-small footprint

Drives multiple loads

Eliminates multiple discrete XTALs + load caps

Applications

Smart watches
Health and wellness monitors
Internet of Things