maxim's spread-spectrum generators use proprietary, active frequency dither adjustment for emi peak-noise reduction in printers, copiers, graphics cards, and automotive infotainment.
tiny spread-spectrum clock generators provide best-in-class emi noise reduction
sunnyvale, ca—june 14, 2010—maxim integrated products (nasdaq: mxim) introduces the max31c80/max31d80 spread-spectrum generators, which provide best-in-class emi peak-noise reduction. the max31c80/max31d80 also offer the designer unprecedented flexibility to use any clock frequency or crystal to achieve the desired output frequency. the devices use a high-quality, programmable, fractional pll with low jitter (< 75ns) to provide a 2mhz to 134mhz output, regardless of crystal or clock input. an active, spread-spectrum dither for the emi noise spread achieves the flattest spread available without typical energy/noise spikes at the edges or center of the spread range. the integrated the crystal oscillator, buffered oscillator output, programmable fractional pll, and spread-spectrum generator also reduce component count, size, and ultimately, cost. the devices' unmatched spread-spectrum output is ideal for driving microprocessors, memory, and bus clocking, which generate large emi peaks at specific frequencies. targeted end equipment includes printers, copiers, graphics cards, and automotive infotainment systems.
the max31c80/max31d80 provide a buffered clock-reference output for driving communications where the spread-spectrum output is unacceptable. by combining the crystal oscillator and buffered clock output with the factory-programmable, spread-spectrum output, these clock generators are the only clocking device that many systems need.
the max31c80/max31d80 are specified for operation over a temperature range of -40°c to +125°c. they are available in a 3mm x 3mm x 0.8mm, 10-pin tdfn package. pricing begins at $1.51 (1000-up, fob usa). please contact the factory for custom-programmed versions and user-friendly evaluation (ev) kits to facilitate designs.
maxim integrated products is a publicly traded company that designs, manufactures, and sells high-performance semiconductor products. the company was founded over 25 years ago with the mission to deliver innovative analog and mixed-signal engineering solutions that add value to its customers' products. to date, it has developed over 6300 products serving the industrial, communications, consumer, and computing markets.
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