QTM216E-37.400MBM-T

Overview

The QTM216E-37.400MBM-T is a low EMI CMOS oscillator from QST, operating at a fixed frequency of 37.4 MHz with a supply voltage of 3.3V. It features a frequency stability of ±50ppm and utilizes a compact 4-SMD, no lead package measuring 2mm x 1.6mm x 0.76mm. The device supports an enable/disable function and operates within a temperature range of -40°C to 125°C. Its design integrates phase modulation capabilities to reduce electromagnetic interference, making it suitable for space-constrained applications requiring precise clock signals without additional filtering components.

Feature Summary

• Integrates low EMI phase modulation technology directly into the oscillator to suppress radiated emissions.
• Features an enable/disable control pin for flexible power management and system synchronization.
• Utilizes a thin, compact surface-mount package designed for high-density PCB layouts.

Applications

• High-definition video transmission systems requiring precise clock synchronization
• Embedded computing platforms with strict electromagnetic compatibility requirements
• Industrial control equipment operating in wide temperature environments

Procurement Notes

Verify the specific suffix codes against the manufacturer's official datasheet to ensure correct frequency tolerance and package variant. Confirm that the 3.3V supply requirement aligns with the target system's power rails. Check for any recent revisions to the enable/disable logic or thermal specifications before finalizing component selection for production.

Selection Notes

Select this component when a stable 37.4 MHz clock signal is required with minimal electromagnetic interference. Ensure the system design accommodates the 3.3V supply voltage and utilizes the enable pin if power cycling is necessary. Consider the ±50ppm stability specification against the timing requirements of the connected digital interfaces to guarantee reliable data transmission.

Part Context

This part belongs to the QTM216E series of low EMI oscillators from QST. The series is characterized by its ability to reduce radiated noise through internal phase modulation, eliminating the need for external filtering components. The 2016 package size offers a balance between performance and footprint efficiency for modern electronic designs.

Replacement Considerations

Direct substitutes must match the 37.4 MHz frequency, 3.3V supply, and 4-SMD package dimensions. Verify that alternative components support the same ±50ppm stability and low EMI characteristics. Ensure pinout compatibility, particularly for the enable/disable function, to maintain existing circuit functionality without redesign.