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STMICROELECTRONICS LM139DT Voltage Comparator

The LM139 family includes low-power quad voltage comparators designed for precise performance over a wide voltage range of +2 to +36 V or +1 to +18 V. These comparators feature very low supply current of 1.1 mA, low input bias current of 25 nA, and low input offset voltage of +1 mV. Designed for single or split power supply operation, their input voltage range includes ground, making them suitable for various analog and digital applications. Available in multiple packages including SO14, TSSOP14, and QFN16, they are ideal for precision measurement, signal processing, and control systems requiring high accuracy and stability.

Authorized Distributors
Source:Newark
Part No:LM139DT
Stock:1625
Inv Date:06-11-2026
Price: Unit price: $1.42
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Source:DigiKey
Part No:LM139DT
Stock:6476
Inv Date:06-11-2026
Price: Unit price: $1.67
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Part No:LM139DT
Stock:5437
Inv Date:06-12-2026
Price: Unit price: $1.07
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Part No:LM139DT
Stock:0
Inv Date:06-11-2026
Price: Unit price: $0.44
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Part No:LM139DT
Stock:5
Inv Date:06-12-2026
Price: N/A
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STMICROELECTRONICS LM139DT Voltage Comparator Specifications:

  • Supply Voltage Range: +2 to +36 V or +1 to +18 V
  • Input Bias Current: 25 nA typ
  • Input Offset Voltage: +1 mV typ
  • Input Common-Mode Voltage Range Includes Ground
  • Low Supply Current: 1.1 mA
  • Output Compatibility: TTL, DTL, ECL, MOS, CMOS
  • Package Options: SO14, TSSOP14, QFN16
  • Junction Temperature: +150°C
  • Storage Temperature Range: -65°C to +150°C
  • Peak Power Dissipation, Package Specific: 100 mW (TSOP14), 45 mW (QFN16)
  • Lead Temperature (Soldering): 260°C for 10 seconds

Buy the Buy STMicroelectronics LM139 Series High-Precision Voltage Comparator Part Number LM139DT Online

Get the STMicroelectronics LM139 family voltage comparators online today to ensure high precision and reliability in your electronic projects. These versatile comparators operate from a wide supply voltage range of +2 to +36 V, and feature ultra-low input bias current of 25 nA, along with low input offset voltage of +1 mV for accurate signal comparison. Available in convenient packages including SO14, TSSOP14, and QFN16, they are perfect for measurement, control, and analog signal processing applications. Order now for fast delivery and superior performance.

Order your STMicroelectronics Series LM139 low-power quad voltage comparator today and enhance your measurement and control projects with dependable, high-accuracy performance.

Frequently Asked Questions

Where can I buy STMICROELECTRONICS LM139DT?

You can click on the BUY or RFQ button to purchase LM139DT from an authorized STMICROELECTRONICS distributor.

How do I troubleshoot issues or seek technical support for part LM139DT?

You can download the LM139DT datasheet or visit the STMICROELECTRONICS website for support.

Who is the manufacturer of LM139DT?

STMICROELECTRONICS

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