Mobile Clock Generator For 5G Devices

The mobile clock generator offers precise timing for 5G and GNSS devices, ensuring efficient power use and better performance in mobile and IoT applications.

SiTime Corporation, the Precision Timing company, has launched Symphonic, its first mobile clock generator with an integrated MEMS resonator (SiT30100). Symphonic delivers precise and reliable clock signals for 5G and GNSS chipsets, ensuring efficient power consumption in mobile and IoT devices like smartphones, tablets, laptops, and asset trackers. 

The Symphonic clock generator features an integrated MEMS resonator and combines the functions of up to four separate timing devices, simplifying system design and saving board space. An integrated temperature sensor provides precise data for compensation algorithms, ensuring superior stability. This improves GPS accuracy, reduces lock time, and enhances performance in challenging environmental conditions.

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Some of the key features of the Symphonic include:

• ​​4-output clock generator with 76.8 MHz, 38.4 MHz, or 19.2 MHz options for baseband, RF, and GNSS uses.
• Built-in MEMS resonator replaces the need for an external one, offering a smaller, single-chip solution (2.22 mm²).
• A precise temperature-to-digital converter (TDC) with an UART interface for temperature compensation ensures frequency stability within ±0.5ppm.
• Excellent performance and stability under airflow and temperature changes.
• Multiple Output Enable pins to control clock outputs for power saving and reducing electromagnetic interference (EMI).
• Operates in temperatures from -30°C to +90°C (contact SiTime for wider ranges).

“Every generation of mobile devices becomes smarter, delivering greater functionality, personalisation and automation,” said Rajesh Vashist, CEO and chairman of SiTime. “Timing devices must withstand thermal and mechanical stressors as processing and connectivity speeds increase. Our newest mobile clock generator delivers the precision timing required for advanced connectivity of next-generation mobile devices.”

“Ensuring that wireless and GPS protocol-dependent systems and services run reliably is essential for meeting the requirements of increasingly sophisticated wireless devices and use cases,” said Dave Altavilla, president and principal analyst at HotTech Vision & Analysis. “SiTime’s new clock generator is an example of how precision timing technology is a critical enabler of AI-first mobile experiences.”