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