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Dual/Quad, 4.5ns, Single Supply 3V/5V Comparators with Rail-to-Rail Outputs
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LT1720/LT1721
Dual/Quad, 4.5ns, Single
Supply 3V/5V Comparators
with Rail-to-Rail Outputs
DESCRIPTION FEATURES n UltraFast: 4.5ns at 20mV Overdrive
7ns at 5mV Overdrive
Low Power: 4mA per Comparator
Optimized for 3V and 5V Operation
Pinout Optimized for High Speed Ease of Use
Input Voltage Range Extends 100mV
Below Negative Rail
TTL/CMOS Compatible Rail-to-Rail Outputs
Internal Hysteresis with Specified Limits
Low Dynamic Current Drain; 15μA/(V-MHz),
Dominated by Load In Most Circuits
Tiny 3mm × 3mm × 0.75mm DFN Package (LT1720) APPLICATIONS n High Speed Differential Line Receiver
Crystal Oscillator Circuits
Window Comparators
Threshold Detectors/Discriminators
Pulse Stretchers
Zero-Crossing Detectors
High Speed Sampling Circuits The LT®1720/LT1721 are UltraFastTM dual/quad comparators optimized for single supply operation, with a supply
voltage range of 2.7V to 6V. The input voltage range extends …