LT1712
LT1712 is Rail-to-Rail Comparators manufactured by Linear Technology.
Features s Ultrafast: 4.5ns at 20m V Overdrive 5.5ns at 5m V Overdrive s Rail-to-Rail Inputs s Rail-to-Rail plementary Outputs (TTL/CMOS patible) s Specified at 2.7V, 5V and ±5V Supplies s Output Latch s Inputs Can Exceed Supplies Without Phase Reversal s LT1711: 8-Lead MSOP Package s LT1712: 16-Lead Narrow SSOP Package
U APPLICATIO S s High Speed Automatic Test Equipment s Current Sense for Switching Regulators s Crystal Oscillator Circuits s High Speed Sampling Circuits s High Speed A/D Converters s Pulse Width Modulators s Window parators s Extended Range V/F Converters s Fast Pulse Height/Width Discriminators s Line Receivers s High Speed Triggers
LT1711/LT1712
Single/Dual 4.5ns, 3V/5V/±5V, Rail-to-Rail parators
DESCRIPTIO
The LT®1711/LT1712 are Ultra Fast TM 4.5ns parators featuring rail-to-rail inputs, rail-to-rail plementary outputs and an output latch. Optimized for 3V and 5V power supplies, they operate over a single supply voltage range from 2.4V to 12V or from ±2.4V to ±6V dual supplies.
The LT1711/LT1712 are designed for ease of use in a variety of systems. In addition to wide supply voltage flexibility, rail-to-rail input mon mode range extends 100m V beyond both supply rails, and the outputs are protected against phase reversal for inputs extending further beyond the rails. Also, the rail-to-rail inputs may be taken to opposite rails with no significant increase in input current. The rail-to-rail matched plementary outputs interface directly to TTL or CMOS logic and can sink 10m A to within 0.5V of GND or source 10m A to within 0.7V of V +.
The LT1711/LT1712 have internal TTL/CMOS patible latches for retaining data at the outputs. Each latch holds data as long as the latch pin is held high. Latch pin hysteresis provides protection against slow moving or noisy latch signals. The LT1711 is available in the 8-pin MSOP package. The LT1712 is available in the 16-pin narrow SSOP package.
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