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LT1720

Part Number	LT1720
Manufacturer	Linear
Description	Single Supply 3V/5V Comparators
Published	Apr 4, 2022
Detailed Description	LT1720/LT1721 FEATURES Dual/Quad, 4.5ns, Single Supply 3V/5V Comparators with Rail-to-Rail Outputs DESCRIPTION n Ultr...
Datasheet	LT1720 PDF File

Overview

LT1720/LT1721 FEATURES Dual/Quad, 4.
5ns, Single Supply 3V/5V Comparators with Rail-to-Rail Outputs DESCRIPTION n UltraFast: 4.
5ns at 20mV Overdrive 7ns at 5mV Overdrive n Low Power: 4mA per Comparator n Optimized for 3V and 5V Operation n Pinout Optimized for High Speed Ease of Use n Input Voltage Range Extends 100mV Below Negative Rail n TTL/CMOS Compatible Rail-to-Rail Outputs n Internal Hysteresis with Speciﬁed Limits n Low Dynamic Current Drain; 15μA/(V-MHz), Dominated by Load In Most Circuits n Tiny 3mm × 3mm × 0.
75mm DFN Package (LT1720) APPLICATIONS n High Speed Differential Line Receiver n Crystal Oscillator Circuits n Window Comparators n Threshold Detectors/Discriminators n Pulse Stretchers n Zero-Crossing Detectors n 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 from 100mV below ground to 1.
2V below the supply voltage.
Internal hysteresis makes the LT1720/LT1721 easy to use even with slow moving input signals.
The rail-to-rail outputs directly interface to TTL and CMOS.
Alternatively, the symmetric output drive can be harnessed for analog applications or for easy translation to other single supply logic levels.
The LT1720 is available in three 8-pin packages; three pins per comparator plus power and ground.
In addition to SO and MSOP packages, a 3mm × 3mm low proﬁle (0.
8mm) dual ﬁne pitch leadless package (DFN) is available for space limited applications.
The LT1721 is available in the 16-pin SSOP and S packages.
The pinouts of the LT1720/LT1721 minimize parasitic effects by placing the most sensitive inputs (inverting) away from the outputs, shielded by the power rails.
The LT1720/LT1721 are ideal for systems where small size and low power are paramount.
L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.
UltaFast is a trademark of Linear Technology Corporation.
All other...

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