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
- Current - Input Bias :
- 100nA
- Terminal Position :
- Dual
- Type :
- Differential
- Response Time :
- 1.3 μs
- Series :
- -
- RoHS Status :
- RoHS Compliant
- Pin Count :
- 14
- Propagation Delay (Max) :
- 300ns (Typ)
- Product Status :
- Active
- Package / Case :
- CDIP
- Lead Free :
- Contains Lead
- Output Type :
- OPEN-COLLECTOR
- Max Operating Temperature :
- 125°C
- Min Supply Voltage :
- 2V
- Mounting Type :
- Through Hole
- Lifecycle Status :
- ACTIVE (Last Updated: 3 days ago)
- Number of Channels :
- 4
- Max Supply Voltage :
- 36V
- Power Supplies :
- 5V
- Current - Quiescent (Max) :
- 2mA
- Average Bias Current-Max (IIB) :
- 0.025μA
- Width :
- 6.67mm
- Number of Elements :
- 4
- Max Dual Supply Voltage :
- 18V
- Hysteresis :
- -
- CMRR, PSRR (Typ) :
- -
- Length :
- 19.56mm
- Amplifier Type :
- Comparator
- Input Offset Voltage (Vos) :
- 2mV
- Min Dual Supply Voltage :
- 1V
- Voltage - Input Offset (Max) :
- 2mV @ 5V
- Number of Pins :
- 14
- Screening Level :
- MIL-STD-883
- Radiation Hardening :
- No
- Voltage - Supply, Single/Dual (±) :
- 2V ~ 30V, ±1V ~ 15V
- Current - Input Bias (Max) :
- 0.1μA @ 5V
- Package :
- Tube
- Mount :
- Through Hole
- Height :
- 5.08mm
- Temperature Grade :
- Military
- ECCN Code :
- EAR99
- Min Operating Temperature :
- -55°C
- Current - Output (Typ) :
- 16mA @ 5V
- Voltage Gain :
- 106.02dB
- Operating Temperature :
- -55°C ~ 125°C
- Packaging :
- Rail/Tube
- Number of Terminations :
- 14
- Number of Functions :
- 4
- Supply Voltage :
- 5V
- Supplier Device Package :
- 14-CDIP
- Thickness :
- 4.57mm
- Nominal Supply Current :
- 2mA
- 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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