The AD96685BRZ is an ultrafast single Voltage Comparator with 2.5ns propagation delay, the AD96687 is an equally fast dual comparator. This device features 50ps propagation delay dispersion which is a particularly important characteristic of high-speed comparators. It is a measure of the difference in propagation delay under differing overdrive conditions. A fast, high precision differential input stage permits consistent propagation delay with a wide variety of signals in the common-mode range from -2.5 to 5V. Outputs are complementary digital signals fully compatible with ECL 10K and 10KH logic families. The outputs provide sufficient drive current to directly drive transmission lines terminated in 50R to -2V. A level sensitive latch input which permits tracking, track-hold or sample-hold modes of operation is included.
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