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LM339D Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
LM339DUTC5000Yes

LM339D is a quad voltage comparator manufactured by UTC (Unitech).

The LM339D is a quad voltage comparator manufactured by UTC (Unitech). Below are its key specifications, descriptions, and features:

Specifications:

  • Manufacturer: UTC (Unitech)
  • Type: Quad Differential Comparator
  • Number of Channels: 4
  • Supply Voltage Range: Single Supply: 2V to 36V, Dual Supply: ±1V to ±18V
  • Input Offset Voltage: 2mV (Typical), 5mV (Maximum)
  • Input Bias Current: 25nA (Typical)
  • Response Time: 1.3μs (Typical)
  • Output Type: Open Collector
  • Operating Temperature Range: -40°C to +85°C
  • Package: SOIC-14

Descriptions:

  • The LM339D consists of four independent precision voltage comparators designed to operate from a single or dual power supply.
  • It features low input bias current and offset voltage, making it suitable for precision applications.
  • The open-collector outputs allow for flexible interfacing with different logic levels and loads.

Features:

  • Wide Supply Voltage Range: Operates from 2V to 36V (single supply) or ±1V to ±18V (dual supply).
  • Low Input Bias Current: 25nA typical.
  • Low Input Offset Voltage: 2mV typical.
  • Fast Response Time: 1.3μs typical.
  • Open-Collector Outputs: Compatible with TTL, CMOS, and other logic families.
  • ESD Protection: Provides robustness in harsh environments.
  • Industrial Temperature Range: -40°C to +85°C.

The LM339D is commonly used in voltage monitoring, level detection, oscillator circuits, and analog-to-digital conversion applications.

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