--THIS PRODUCT CONTAINS 1 PIECE--The LM339N is a quad voltage comparator IC containing four independent precision voltage comparators. This versatile IC is designed for use in level detection, voltage monitoring, and switching applications with open collector outputs for flexible interfacing.Key Features: Four independent voltage comparators Package: 14-pin DIP (Dual In-line Package) Supply Voltage: 2V to 30V (single supply) or ±1V to ±15V (dual supply) Open collector outputs for flexible interfacing Low input offset voltage: 5mV maximum Low input bias current: 0.25µA maximum Wide common-mode input voltage range Output current capability: 20mA typical Applications: Voltage level detection and monitoring Window comparators Oscillators and multivibrators A/D converters (flash type) Pulse generators and shapers Battery voltage monitors Limit detectors and alarms Line receivers and drivers Technical Specifications: Part Number: LM339N Manufacturer: Texas Instruments Package Type: 14-DIP Operating Temperature: 0°C to +70°C Supply Voltage Range: 2V to 30V (single), ±1V to ±15V (dual) Input Offset Voltage: 5mV maximum @ 30V Input Bias Current: 0.25µA maximum @ 5V Quiescent Current: 2.5mA maximum Output Type: Open collector, 20mA capability LM339N Technical Datasheet PDF