Manufacturer Part Number
LM311N
Manufacturer
Texas Instruments
Introduction
Linear comparator for voltage level detection and signal conditioning
Product Features and Performance
Single-element general purpose comparator
Wide voltage supply range: 5V to 36V single or ±2.5V to ±18V dual
Multiple output types: DTL, MOS, Open-Collector, Open-Emitter, RTL, TTL
Input offset voltage maximum: 7.5mV at ±15V
Bias current input maximum: 0.25µA at ±15V
Output current typical: 50mA
Quiescent current maximum: 7.5mA
Operational temperature range from 0°C to 70°C
Product Advantages
Compatible with multiple logic types
Low input bias and offset currents
High output current drive capability
Key Technical Parameters
Number of Elements: 1
Output Type: Multiple (DTL, MOS, etc.)
Voltage - Supply Range: 5V ~ 36V, ±2.5V ~ 18V
Input Offset Voltage (Max): 7.5mV
Input Bias Current (Max): 0.25µA
Output Current (Typ): 50mA
Quiescent Current (Max): 7.5mA
Operating Temperature: 0°C ~ 70°C
Package / Case: 8-DIP
Quality and Safety Features
Robust DIP package for through-hole mounting
Proven manufacturing from Texas Instruments
Compatibility
Supports interfacing with various logic families
Application Areas
Voltage level detection
Signal conditioning circuits
Threshold detectors
Motor control
Logic voltage translation
Product Lifecycle
Obsolete status; alternative replacements or upgrades may be necessary
Several Key Reasons to Choose This Product
Performance proven in multiple applications
High current drive for output stage
Suitable for mixed-operational-voltage systems
Established reliability and brand trust in Texas Instruments
Legacy support for mature systems