SIT5156AE-FD-28VT-19.440000

Oscillators Overview

The SiTime SIT5156AE-FD-28VT-19.440000 is a MEMS-based Voltage-Controlled Temperature Compensated Crystal Oscillator (VCTCXO) operating at a nominal frequency of 19.44 MHz. It features an LVCMOS output format and operates within a supply voltage range of 2.75 V to 2.8 V, with a typical nominal voltage of 2.8 V. The device is housed in a 10-SMD, No Lead package with dimensions of 5.00 mm x 3.20 mm x 1.06 mm. It supports an industrial temperature range from -40 °C to +85 °C and offers high stability suitable for demanding applications.

Oscillators Feature Summary

• MEMS Super-TCXO technology engineered for superior dynamic performance compared to traditional quartz solutions
• Integrated voltage control capability allowing precise frequency tuning via external control signals
• High frequency stability designed to maintain accuracy under varying environmental conditions

Oscillators Applications

• Wireless communication systems requiring stable clock sources
• Industrial equipment needing reliable timing in variable thermal environments
• Test and measurement instruments demanding low phase noise and high stability

Oscillators Procurement Notes

Verify the specific ordering suffixes to ensure compatibility with your design requirements, particularly regarding the output format and enable/disable functionality. Confirm that the 10-SMD no-lead package footprint matches your PCB layout constraints. Ensure the supply voltage provided aligns with the specified 2.8 V nominal requirement for optimal performance. Check for any specific handling precautions related to MEMS devices during assembly.

Oscillators Selection Notes

Select this component when high stability and dynamic performance are critical, especially in applications where traditional quartz oscillators may struggle with shock or vibration. The integrated voltage control feature makes it suitable for designs requiring frequency adjustment capabilities. Consider the compact 10-SMD package size if space is limited on the circuit board. Evaluate the need for LVCMOS output levels against your downstream logic requirements.

Oscillators Part Context

This part belongs to the SiT5156 series, which represents SiTime's MEMS Super-TCXO platform. This series is characterized by its ability to provide tight frequency stability across a wide temperature range while offering better resilience to mechanical stress than quartz alternatives. The SIT5156AE variant specifically denotes the package type and pin configuration within this family.

Oscillators Replacement Considerations

Direct replacements should be sought within the SiT5156 series or other MEMS TCXOs with similar frequency, package, and stability specifications. Verify that any substitute supports the same LVCMOS output and voltage control interface. Cross-reference the pinout and electrical characteristics to ensure functional equivalence without redesigning the surrounding circuitry.