DSA400-0444Q0136KL2VAO

Clock Generators, PLLs, Frequency Synthesizers Overview

The DSA400-0444Q0136KL2VAO is a configurable four-output low jitter clock generator utilizing PureSilicon™ MEMS technology. It operates within a supply voltage range of 2.25V to 3.6V and supports frequencies from 2.3 MHz to 460 MHz for differential outputs, and up to 170 MHz for LVCMOS. The device features ±25 ppm stability and an operating temperature range of –40°C to +105°C (Automotive Grade 2). Outputs include LVDS, LVPECL, HCSL, and LVCMOS formats. It is housed in a 20-pin QFN package measuring 5.0 mm x 3.2 mm.

Clock Generators, PLLs, Frequency Synthesizers Feature Summary

• AEC-Q100 qualified for automotive applications with high reliability and shock immunity
• Crystal-less operation using integrated MEMS resonator for improved stability
• Four format-configurable outputs supporting LVDS, LVPECL, HCSL, and LVCMOS
• Pin-selectable frequency table allowing two independent frequency sets per bank

Clock Generators, PLLs, Frequency Synthesizers Applications

• Automotive Infotainment systems
• Automotive Advanced Driver Assistance Systems (ADAS)
• Autonomous Driving platforms
• In-Vehicle Network interfaces

Clock Generators, PLLs, Frequency Synthesizers Procurement Notes

Verify the specific factory-assigned frequency code corresponding to the 'Q0136' suffix via Microchip ClockWorks Configurator or official datasheet tables. Confirm that the 'L' suffix matches the required –40°C to +105°C temperature grade and the 'K' suffix corresponds to the 20-pin QFN package. Ensure the ordering suffix aligns with the desired packing quantity and automotive standard requirements.

Clock Generators, PLLs, Frequency Synthesizers Selection Notes

Select this component when designing automotive circuits requiring low phase jitter and high stability without external crystals. Verify that the required output formats (LVDS, LVPECL, HCSL, LVCMOS) match the destination logic levels. Ensure the power supply filtering meets the 0.1 μF capacitor recommendation for each VDD pin to maintain noise rejection performance.

Clock Generators, PLLs, Frequency Synthesizers Part Context

This part belongs to the DSA400 family of configurable MEMS clock generators designed specifically for automotive environments. It replaces traditional quartz oscillators by integrating the resonator on-chip, offering superior resistance to vibration and shock while maintaining tight frequency stability across wide temperature variations.

Clock Generators, PLLs, Frequency Synthesizers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.