DSA400-0444Q0136KL2TVAO

Clock Generators, PLLs, Frequency Synthesizers Overview

The DSA400-0444Q0136KL2TVAO 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, with LVCMOS limited to 170 MHz. The device features ±25 ppm stability and an operating temperature range of –40°C to +105°C (Automotive Grade 2). Outputs are grouped into two banks with independent power supplies, supporting LVPECL, LVDS, HCSL, or LVCMOS formats. It includes pin-selectable frequency tables and is packaged in a 20-pin QFN.

Clock Generators, PLLs, Frequency Synthesizers Feature Summary

• AEC-Q100 qualified for automotive reliability
• Crystal-less operation using integrated MEMS resonator
• Four format-configurable outputs with independent bank power
• High supply noise rejection capability

Clock Generators, PLLs, Frequency Synthesizers Applications

• Automotive Infotainment
• Automotive ADAS
• Autonomous Driving
• In-Vehicle Network

Clock Generators, PLLs, Frequency Synthesizers Procurement Notes

Verify the specific factory-assigned frequency code corresponding to the Q0136 suffix through Microchip's ClockWorks Configurator tool. Confirm that the Automotive Grade 2 temperature rating aligns with system requirements. Ensure ordering documentation matches the exact part number string to guarantee correct output configurations and packaging specifications.

Clock Generators, PLLs, Frequency Synthesizers Selection Notes

Select this component when AEC-Q100 qualification and high shock immunity are required. Use the ClockWorks Configurator to define the precise frequency sets for each output bank. Verify that the required output formats (LVPECL, LVDS, HCSL, LVCMOS) match the '0444' configuration codes. Ensure the 20-pin QFN footprint fits the PCB layout constraints.

Clock Generators, PLLs, Frequency Synthesizers Part Context

This device belongs to the DSA400 family of automotive-grade MEMS clock generators. It shares the same core architecture and package as other DSA400 variants but differs in factory-programmed frequencies and output interface configurations. The 'VAO' suffix indicates standard automotive compliance.

Clock Generators, PLLs, Frequency Synthesizers Replacement Considerations

Direct substitutes include other DSA400 variants with matching output formats and frequency codes. Cross-family replacements like the DSC400 require verification of automotive qualification status and output compatibility.