LM139AJB
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- Mfr.Part #
- LM139AJB
- Manufacturer
- National Semiconductor
- Package / Case
- CDIP
- Datasheet
- Download
- Description
- LM139A-MIL QUAD DIFFERENTIAL COM
- Stock
- 6,404
- In Stock ：
- 6,404
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- Manufacturer :
- National Semiconductor
- Product Category :
- Comparators
- Package / Case :
- CDIP
- ECCN Code :
- EAR99
- Response Time :
- 1.3 μs
- Lead Free :
- Contains Lead
- Temperature Grade :
- Military
- Width :
- 6.67mm
- Operating Temperature :
- -55°C ~ 125°C
- Mounting Type :
- Through Hole
- Voltage - Supply, Single/Dual (±) :
- 2V ~ 30V, ±1V ~ 15V
- Packaging :
- Rail/Tube
- Voltage Gain :
- 106.02dB
- CMRR, PSRR (Typ) :
- -
- RoHS Status :
- RoHS Compliant
- Current - Output (Typ) :
- 16mA @ 5V
- Type :
- Differential
- Number of Pins :
- 14
- Thickness :
- 4.57mm
- Lifecycle Status :
- ACTIVE (Last Updated: 3 days ago)
- Current - Quiescent (Max) :
- 2mA
- Series :
- -
- Height :
- 5.08mm
- Max Supply Voltage :
- 36V
- Terminal Position :
- Dual
- Number of Terminations :
- 14
- Voltage - Input Offset (Max) :
- 2mV @ 5V
- Max Dual Supply Voltage :
- 18V
- Number of Channels :
- 4
- Min Dual Supply Voltage :
- 1V
- Number of Functions :
- 4
- Product Status :
- Active
- Radiation Hardening :
- No
- Current - Input Bias :
- 100nA
- Package :
- Tube
- Input Offset Voltage (Vos) :
- 2mV
- Min Supply Voltage :
- 2V
- Amplifier Type :
- Comparator
- Supplier Device Package :
- 14-CDIP
- Average Bias Current-Max (IIB) :
- 0.025μA
- Length :
- 19.56mm
- Propagation Delay (Max) :
- 300ns (Typ)
- Mount :
- Through Hole
- Current - Input Bias (Max) :
- 0.1μA @ 5V
- Nominal Supply Current :
- 2mA
- Pin Count :
- 14
- Supply Voltage :
- 5V
- Screening Level :
- MIL-STD-883
- Number of Elements :
- 4
- Hysteresis :
- -
- Min Operating Temperature :
- -55°C
- Output Type :
- OPEN-COLLECTOR
- Max Operating Temperature :
- 125°C
- Power Supplies :
- 5V
- Datasheets
- LM139AJB
Comparators National Semiconductor LM139AJB Overview
The LM139AJB from National Semiconductor represents a highly versatile component, indispensable in the world of electronic design, particularly for critical decision-making circuits. As a quad differential comparator, this integrated circuit excels in providing reliable performance across various applications. Its robust design ensures high precision and functionality even under challenging conditions. The LM139AJB's ability to compare multiple voltages simultaneously makes it an ideal choice for systems requiring fast and accurate decision-making capabilities. This characteristic is particularly beneficial for industrial automation, instrumentation, and safety critical systems, where precise voltage differentiation is crucial.
LM139AJB Features
The LM139AJB quad differential comparator boasts several key features that enhance its suitability for a wide range of applications. These include low power consumption, which is crucial for energy-sensitive systems, and a wide operating voltage range, accommodating various types of circuits and systems. The device also offers improved noise immunity, ensuring reliable performance in environments with high interference. Furthermore, its fast response time is essential for applications requiring quick feedback and adjustments.
LM139AJB Applications
- Control Systems: In control circuits, the LM139AJB is used to manage operational thresholds and ensure system stability by providing swift and accurate voltage comparisons.
- Safety Mechanisms: This comparator is crucial in safety-critical applications such as fault detection in power supplies and emergency shut-offs, where rapid response to changing conditions is necessary.
- Alarm Systems: Utilized in alarm systems to detect and respond to abnormal or threshold-crossing signals, ensuring timely alerts and actions.
- Battery Management: In battery management systems, the LM139AJB helps monitor and control battery charge states, vital for maintaining battery health and longevity.
- Data Acquisition Systems: This IC is integral in data acquisition systems, where precise comparisons of input signals are needed to accurately collect and process data.
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