LTC1841

PRODUCTION

Ultralow Power Dual Comparators with Reference

Part Models: 4
1ku List Price: Starting From $1.71

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Overview

Ultralow Quiescent Current: 3.5µA Typ
Open-Drain Outputs Typically Sink Greater Than 20mA
Wide Supply Range: (LTC1841)
- Single: 2V to 11V
- Dual: ±1V to ±5.5V
Input Voltage Range Includes the Negative Supply
12µs Propagation Delay with 10mV Overdrive
No Current Spike When Switching

The LTC1841 is an ultralow power dual comparator featuring less than 5.7µA supply current over temperature, a 1.182V ±1% reference, programmable hysteresis and open-drain outputs that sink current. The reference output can drive a bypass capacitor of up to 0.01µF without oscillation.

The LTC1841 operates from a single 2V to 11V supply or a dual ±1V to ±5.5V supply. The comparator inputs operate from the negative supply to within 1.3V of the positive supply. The comparator outputs can typically sink greater than 20mA. By eliminating the cross-conduction current that normally happens when the comparators change logic states, power supply glitches are eliminated.

The LTC1841 are available in an SO-8 package.

Applications

Battery-Powered System Monitoring
Threshold Detectors
Window Comparators
Oscillator Circuits

Part Models: 4
1ku List Price: Starting From $1.71

Documentation

Data Sheet 1

LTC1841/LTC1842/LTC1843: Ultralow Power Dual Comparators with Reference Data Sheet 08/30/2007

Reliability Data 1

R312 Reliability Data 03/23/2018

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.

Part Model	Pin/Package Drawing	Documentation	CAD Symbols, Footprints, and 3D Models
LTC1841CS8#PBF	8-Lead SOIC (Narrow 0.15 Inch)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LTC1841CS8#TRPBF	8-Lead SOIC (Narrow 0.15 Inch)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LTC1841IS8#PBF	8-Lead SOIC (Narrow 0.15 Inch)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LTC1841IS8#TRPBF	8-Lead SOIC (Narrow 0.15 Inch)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys

Part Models	Product Lifecycle	PCN

Oct 24, 2024 - 24_0246 Migrating Bottom Trace Code Marking to Top Side Laser Marking for SOIC_N Package
		PCN24_0246_Form Material_Report Marking Comparison Delta Qualification Matrix
LTC1841CS8#PBF	PRODUCTION
LTC1841CS8#TRPBF	PRODUCTION
Dec 14, 2023 - 22_0255 Epoxy Change from Henkel 8290 to 8290A for 8-Lead SOIC Package (PCN part 2 of 2)
		PCN22_0255_Form Material_Report Qualification Results Summary Delta Qualification Matrix
LTC1841CS8#PBF	PRODUCTION
LTC1841CS8#TRPBF	PRODUCTION
LTC1841IS8#PBF	PRODUCTION
LTC1841IS8#TRPBF	PRODUCTION
Jun 16, 2021 - 21_0026 Laser Top Mark for 8SOICN Assembled in ADPG, UTL and CRM
		PCN21_0026_Form Material_Report Delta Qualification Matrix
LTC1841CS8#PBF	PRODUCTION
LTC1841CS8#TRPBF	PRODUCTION
LTC1841IS8#PBF	PRODUCTION
LTC1841IS8#TRPBF	PRODUCTION

This is the most up-to-date revision of the Data Sheet.

Software Resources

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Tools & Simulations

LTspice

Models for the following parts are available in LTspice:

LTC1841

LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.

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