DSA400-4334Q0167KI2TVAO

Clock Generators, PLLs, Frequency Synthesizers Overview

The DSA400-4334Q0167KI2TVAO 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 provides ±25 ppm stability and features low RMS phase jitter under 1 ps. It includes two independent banks with pin-selectable frequency tables and output enable controls. Packaged in a 20-pin QFN (5.0 mm x 3.2 mm), it meets AEC-Q100 Grade 3 qualification for operation between –40°C and +85°C.

Clock Generators, PLLs, Frequency Synthesizers Feature Summary

• AEC-Q100 Automotive Grade 3 qualified for high reliability environments
• Four format-configurable outputs supporting LVPECL, LVDS, HCSL, and LVCMOS
• Integrated MEMS resonator eliminates the need for external crystals
• Dual independent power supplies optimize noise isolation between output banks

Clock Generators, PLLs, Frequency Synthesizers Applications

• Automotive ADAS systems
• Autonomous driving platforms
• In-vehicle network interfaces

Clock Generators, PLLs, Frequency Synthesizers Procurement Notes

Verify the specific factory-assigned frequency code corresponding to the Q0167 suffix through Microchip ClockWorks Configurator or authorized distributors. Confirm that the KI2 designation matches the required automotive grade temperature range and packing quantity specifications before finalizing orders.

Clock Generators, PLLs, Frequency Synthesizers Selection Notes

Select this component when designing automotive circuits requiring crystal-less clock generation with strict jitter constraints. Ensure the design accommodates the 20-pin QFN footprint and utilizes separate VDD1 and VDD2 pins with appropriate filtering capacitors for optimal performance across the specified voltage range.

Clock Generators, PLLs, Frequency Synthesizers Part Context

This part belongs to the DSA400 family of configurable MEMS clock generators designed specifically for automotive applications. Unlike standard oscillators, these devices are factory-programmed via the ClockWorks Configurator tool to meet precise customer frequency and format requirements, ensuring tailored solutions for complex system timing needs.

Clock Generators, PLLs, Frequency Synthesizers Replacement Considerations

Direct substitutes include other DSA400 variants with different output formats or frequency codes. Verify compatibility regarding package dimensions, operating temperature ranges, and electrical characteristics before implementing any cross-model replacements.

Clock Generators, PLLs, Frequency Synthesizers FAQ

What is the maximum frequency supported by the LVCMOS output format?

The LVCMOS output format supports a maximum frequency of 170 MHz.

How are the two frequency sets selected on each bank?

Frequency sets are selected using the FSB1 and FSB2 input pins, which allow independent selection between two pre-configured frequency sets per bank.

Does the DSA400 require an external crystal to operate?

No, the device utilizes an integrated MEMS resonator and does not require an external crystal.