MAX31091AUA/V+T192

Clock Generators, PLLs, Frequency Synthesizers Overview

The MAX31091AUA/V+T192 is an automotive-grade clock generator housed in an 8-pin µMAX package. It operates on a 3.0V to 3.6V supply and functions within the -40°C to +125°C temperature range. The device outputs a center-spread-spectrum square wave at a factory-trimmed frequency of 1.9MHz with ±0.25% nominal accuracy. Key electrical characteristics include a maximum supply current of 16mA, output high-level voltage of 2.4V, and low-level voltage of 0.4V. It supports pin-selectable dither magnitudes of 0%, ±1%, ±2%, or ±4% and selectable dither rates.

Clock Generators, PLLs, Frequency Synthesizers Feature Summary

• Factory trimmed for 1.9MHz center frequency with ±0.25% initial accuracy
• Pin-selectable center-dithered spread-spectrum output (0%, ±1%, ±2%, ±4%)
• AEC-Q100 qualified for automotive applications
• Operates from 3.0V to 3.6V over -40°C to +125°C

Clock Generators, PLLs, Frequency Synthesizers Applications

• Automotive Infotainment systems
• Navigation units
• Advanced Driver Assistance Systems (ADAS)
• Engine Control Unit (ECU) instrumentation

Clock Generators, PLLs, Frequency Synthesizers Procurement Notes

Verify that the 'T' suffix indicates tape-and-reel packaging as defined in the ordering information. Confirm the '/V' suffix corresponds to AEC-Q100 qualification. Ensure the specific frequency code matches the required 1.9MHz output. Check for RoHS compliance status indicated by the '+' suffix.

Clock Generators, PLLs, Frequency Synthesizers Selection Notes

Select this component when a fixed 1.9MHz clock source with spread-spectrum capabilities is required for automotive electronics. Verify that the load capacitance requirements align with the specified 15pF to 50pF range. Ensure the application environment stays within the -40°C to +125°C operating temperature limits.

Clock Generators, PLLs, Frequency Synthesizers Part Context

This part belongs to the MAX31091 EconOscillator family, which provides low-cost, factory-programmable clock generators. The 'AUA' designation specifies the 8-pin µMAX package type. The 'V' suffix denotes automotive qualification, while 'T' indicates reel packaging. Other variants in the series offer different frequencies such as 33.3MHz or 66.6MHz.

Clock Generators, PLLs, Frequency Synthesizers Replacement Considerations

Direct substitutes are not explicitly listed in the provided documentation. Consider other parts within the MAX31091 family if different frequencies are acceptable. Verify pin compatibility and thermal resistance specifications before substituting with generic oscillators.