MAX31091AUA/V+T200

Clock Generators, PLLs, Frequency Synthesizers Overview

The MAX31091AUA/V+T200 is an automotive-grade spread-spectrum clock generator in an 8-pin µMAX package. It outputs a center-dithered square wave at a factory-trimmed frequency of 200kHz with ±0.25% nominal accuracy. The device operates on a 3.0V to 3.6V supply across the -40°C to +125°C temperature range. Key electrical parameters include a maximum supply current of 16mA, output high voltage of 2.4V, and low voltage of 0.4V. It features pin-selectable dither magnitudes (0%, ±1%, ±2%, ±4%) and selectable dither rates.

Clock Generators, PLLs, Frequency Synthesizers Feature Summary

• Factory trimmed for a precise 200kHz output frequency
• Pin-selectable center-dither magnitude: 0%, ±1%, ±2%, or ±4%
• AEC-Q100 qualified for automotive reliability
• 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 the 'T' suffix indicates tape-and-reel packaging and the '200' suffix specifies the 200kHz factory-programmed frequency. Confirm AEC-Q100 qualification status and RoHS compliance via official documentation before procurement.

Clock Generators, PLLs, Frequency Synthesizers Selection Notes

Select this component when a fixed 200kHz clock source with spread-spectrum capabilities is required for automotive applications. Ensure the load capacitance requirements are met and that the power supply remains within the 3.0V to 3.6V operating range.

Clock Generators, PLLs, Frequency Synthesizers Part Context

This part belongs to the MAX31091 EconOscillator family, which offers various factory-programmed frequencies ranging from 200kHz to 66.6MHz. The 'V' designation denotes automotive qualification, while the 'T' suffix indicates reel packaging.

Clock Generators, PLLs, Frequency Synthesizers Replacement Considerations

Other MAX31091 variants with different frequency suffixes (e.g., +066 for 66.6MHz) are pin-compatible but require verification of the specific output frequency requirement.

Clock Generators, PLLs, Frequency Synthesizers FAQ

How is the dither magnitude selected?

The dither magnitude is controlled by the logic levels applied to the SEL0 and SEL1 pins, allowing selection of 0%, ±1%, ±2%, or ±4%.

What is the typical rise time of the output?

The typical rise time is 1.02ns at a 12pF load.

Does the device have an internal oscillator?

Yes, the MAX31091 contains a factory-programmed master oscillator and does not require an external crystal.