EE Product News

Dual-Voltage Comparator Features 300-ps Propagation Delay

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Claiming to be the fastest dual-voltage comparator on the market, the AD53519 has a 300-ps propagation delay and a better than 75-ps overdrive dispersion that promises minimal timing variation across the full input amplitude range. The device provides an ECL logic output indicating the relative potentials on its two inputs for use in clock recovery, clock distribution, and to adjust timing. It also incorporates a latch function that captures and stores events, allowing slower speed logic to respond at a later time. Other features include a true differential input, a 5 Gb/s toggle rate for high-speed data conditioning, a 200 ps minimum pulse width or 2.5 GHz equivalent bandwidth for reshaping single event waveforms, and an input differential voltage range from -2V to 3V. AD53519 comparator in a 20-lead PLCC costs $4.50 each/1,000. ANALOG DEVICES INC., Wilmington, MA. (800) 262-5643.

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