LT1720IS8#TRPBF

$10.57

Description：IC COMPARATOR 2 GEN PUR 8SO
Series：UltraFast™
Mfr：Analog Devices Inc.
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:0b7f151219d4 Category: Comparators Brand: Analog Devices Inc.

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Product introduction

Product Detailed Parameters

Description：IC COMPARATOR 2 GEN PUR 8SO
Series：UltraFast™
Mfr：Analog Devices Inc.
Package：Tape & Reel (TR),Cut Tape (CT)
Type：General Purpose
Number of Elements：2
Output Type：CMOS, Rail-to-Rail, TTL
Voltage - Supply, Single/Dual (±)：2.7V ~ 6V
Voltage - Input Offset (Max)：3mV @ 5V
Current - Input Bias (Max)：6µA @ 5V
Current - Output (Typ)：20mA
Current - Quiescent (Max)：7mA
CMRR, PSRR (Typ)：70dB CMRR, 80dB PSRR
Propagation Delay (Max)：10ns
Hysteresis：7mV
Operating Temperature：-40°C ~ 85°C
Package / Case：8-SOIC (0.154", 3.90mm Width)
Mounting Type：Surface Mount
Supplier Device Package：8-SO
Grade：-
Qualification：-

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LT1720IS8#TRPBF

Overview

The LT1720IS8#TRPBF is a dual ultrafast comparator optimized for single-supply operation with a supply voltage range of 2.7V to 6V. It features rail-to-rail outputs compatible with TTL and CMOS logic. The device offers a propagation delay of 4.5ns at 20mV overdrive and 7ns at 5mV overdrive. Quiescent supply current is 4mA per comparator. Input voltage range extends from 100mV below ground to 1.2V below the supply voltage. Internal hysteresis ensures stability with slow-moving signals.

Feature Summary

Ultrafast response time with 4.5ns propagation delay at 20mV overdrive
Rail-to-rail outputs directly interface to TTL and CMOS logic levels
Input voltage range extends 100mV below the negative supply rail
Internal hysteresis prevents oscillation with slow-moving input signals

Applications

Crystal oscillator circuits
High-speed differential line receivers
Window comparators
Threshold detectors and discriminators
Zero-crossing detectors

Procurement Notes

Verify the IS8 suffix indicates the industrial temperature grade (-40°C to +85°C) and SO-8 package. Confirm #TRPBF denotes lead-free finish and tape-and-reel packaging. Ensure the source document explicitly links these suffixes to the specified electrical characteristics and operating conditions before procurement.

Selection Notes

Select this component for applications requiring high speed and low power in a small footprint. The dual configuration suits space-constrained designs. Verify that the 2.7V to 6V supply range meets system requirements. Consider the internal hysteresis for noise immunity without external components.

Part Context

The LT1720 is part of the UltraFast comparator family from Analog Devices, designed for high-speed signal processing. It shares architectural similarities with the quad LT1721 but offers a dual-channel solution. The series is optimized for single-supply operation, making it suitable for portable and battery-powered electronics where power efficiency is critical.