LM139DG4
- Mfr.Part #
- LM139DG4
- Manufacturer
- Texas Instruments
- Package / Case
- 14-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- IC QUAD DIFF COMPARATOR 14-SOIC
- Stock
- 18,311
- In Stock :
- 18,311
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- Manufacturer :
- Texas Instruments
- Product Category :
- Comparators
- Number of Functions :
- 4
- Voltage - Supply, Single/Dual (±) :
- 2V~30V ±1V~15V
- Supply Voltage Limit-Max :
- 36V
- Output Type :
- CMOS, MOS, Open-Collector, TTL
- Output Current per Channel :
- 6mA
- Pin Count :
- 14
- Packing Method :
- TR
- Thickness :
- 1.58mm
- Quiescent Current :
- 2mA
- Radiation Hardening :
- No
- Nominal Supply Current :
- 2mA
- Max Supply Current :
- 2mA
- Height :
- 1.75mm
- Input Bias Current :
- 100nA
- Base Part Number :
- LM139
- Lifecycle Status :
- ACTIVE (Last Updated: 4 days ago)
- Lead Free :
- Lead Free
- Average Bias Current-Max (IIB) :
- 0.025μA
- Operating Supply Voltage :
- 28V
- Width :
- 3.91mm
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Factory Lead Time :
- 6 Weeks
- Terminal Position :
- Dual
- Length :
- 8.65mm
- Number of Pins :
- 14
- Pbfree Code :
- yes
- Peak Reflow Temperature (Cel) :
- 260
- Supply Voltage :
- 5V
- Voltage - Input Offset (Max) :
- 5mV @ 30V
- JESD-609 Code :
- e4
- Weight :
- 133.412856mg
- Output Current :
- 20mA
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Response Time :
- 1.3 μs
- Mounting Type :
- Surface Mount
- Packaging :
- Tube
- RoHS Status :
- ROHS3 Compliant
- Dual Supply Voltage :
- 9V
- Terminal Pitch :
- 1.27mm
- Mount :
- Surface Mount
- Input Offset Voltage (Vos) :
- 5mV
- Number of Terminations :
- 14
- Operating Temperature :
- -55°C~125°C
- Power Supplies :
- 5V
- Terminal Form :
- Gull wing
- Current - Input Bias (Max) :
- 0.1μA @ 5V
- Package / Case :
- 14-SOIC (0.154, 3.90mm Width)
- Voltage Gain :
- 106.02dB
- Number of Elements :
- 4
- Type :
- Differential
- ECCN Code :
- EAR99
- Datasheets
- LM139DG4

Comparators Texas Instruments LM139DG4 Overview
The LM139DG4 by Texas Instruments represents a pinnacle in the design of quad differential comparators, catering to a variety of precision applications where voltage level detection is critical. Engineered for optimal performance, the LM139DG4 integrates four independent voltage comparators in a single 14SOIC package, providing a robust and compact solution for advanced circuit designs. This device is distinguished by its ability to operate over a wide voltage range and its low input bias current, making it ideal for both battery-powered and fixed power supply operations. Its design ensures reduced power consumption while maintaining high accuracy and reliability, essential for high-stake environments.
LM139DG4 Features
The LM139DG4 boasts several key features that make it a go-to choice for developers and engineers. These include low input offset voltage, wide single or dual supply voltage range from 2V to 36V, and low supply current drain, irrespective of the supply voltage. This makes the LM139DG4 highly versatile in various applications, enhancing its utility in energy-sensitive projects. Additionally, the output can directly interface with TTL, MOS, or CMOS, thus simplifying integration into digital systems without needing additional buffering.
LM139DG4 Applications
- Control Systems: Utilized for precise control logic, ensuring threshold activation and system stability within automated processes.
- Alarm Systems: Acts as a critical component in condition monitoring to trigger alerts when parameters exceed set thresholds.
- Voltage Level Sensing: Essential in battery management systems for monitoring and maintaining the correct voltage levels to ensure operational integrity.
- Window Comparators: Enables accurate monitoring and comparison of voltage levels, crucial in applications such as signal conditioning and data conversion.
- Timer Circuits: Used in the timing elements of circuits, where precise voltage comparison dictates the timing accuracy.
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