LM339AD
- Mfr.Part #
- LM339AD
- Manufacturer
- STMicroelectronics
- Package / Case
- 14-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- IC VOLT COMPARATOR QUAD 14-SOIC
- Stock
- 947
- In Stock :
- 947
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- Manufacturer :
- STMicroelectronics
- Product Category :
- Comparators
- Quiescent Current :
- 2.5mA
- Mount :
- Surface Mount
- Base Part Number :
- LM339
- Pbfree Code :
- yes
- Output Current :
- 20mA
- Thickness :
- 1.58mm
- Terminal Pitch :
- 1.27mm
- Peak Reflow Temperature (Cel) :
- 260
- Voltage - Input Offset (Max) :
- 3mV @ 30V
- Number of Terminations :
- 14
- REACH SVHC :
- No SVHC
- Terminal Position :
- Dual
- Pin Count :
- 14
- Power Supplies :
- 5V
- Contact Plating :
- Gold
- Lead Free :
- Lead Free
- Termination :
- SMD/SMT
- Output Type :
- CMOS, MOS, Open-Collector, TTL
- Operating Supply Voltage :
- 28V
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Width :
- 3.91mm
- Packaging :
- Tube
- Number of Circuits :
- 4
- Length :
- 8.65mm
- ECCN Code :
- EAR99
- Height :
- 1.75mm
- Package / Case :
- 14-SOIC (0.154, 3.90mm Width)
- JESD-609 Code :
- e4
- Output Current per Channel :
- 6mA
- Max Supply Current :
- 500μA
- Voltage Gain :
- 106.02dB
- Weight :
- 122.413241mg
- Voltage - Supply, Single/Dual (±) :
- 2V~30V ±1V~15V
- Mounting Type :
- Surface Mount
- Input Bias Current :
- 250nA
- RoHS Status :
- ROHS3 Compliant
- Supply Voltage Limit-Max :
- 36V
- Number of Functions :
- 4
- Lifecycle Status :
- ACTIVE (Last Updated: 2 days ago)
- Supply Voltage :
- 5V
- Terminal Form :
- Gull wing
- Number of Pins :
- 14
- Factory Lead Time :
- 6 Weeks
- Current - Input Bias (Max) :
- 0.25μA @ 5V
- Input Offset Voltage (Vos) :
- 3mV
- Operating Temperature :
- 0°C~70°C
- Dual Supply Voltage :
- 9V
- Response Time :
- 300 ns
- Radiation Hardening :
- No
- Average Bias Current-Max (IIB) :
- 0.05μA
- Type :
- Differential
- Nominal Supply Current :
- 2mA
- Datasheets
- LM339AD

Comparators STMicroelectronics LM339AD Overview
The LM339AD from STMicroelectronics is a high-performance voltage comparator in a 14-pin SOIC package designed to offer precise voltage monitoring across four independent channels. This device is crafted for applications requiring multiple voltage level detections with high accuracy and low power consumption. The Comparators STMicroelectronics LM339AD excels in scenarios demanding robust reliability and versatility, making it an indispensable component in both commercial and industrial electronics. The quad comparator setup allows for flexible integration in complex systems, enhancing system reliability and functionality without the burden of excessive power drain.
LM339AD Features
The LM339AD offers several key features that make it a preferred choice for various applications:
- Quad independent comparator channels enable simultaneous monitoring of four different voltages.
- Wide supply voltage range, suitable for battery-operated devices and automotive applications.
- Low input bias current, ensuring minimal interference with the circuits being monitored.
- Open-collector outputs to directly interface with other logic voltage levels, which is crucial for mixed-voltage systems.
- Capability to operate over a wide temperature range, making it reliable in extreme environmental conditions.
LM339AD Applications
- Power Supply Control: Ensures stable and efficient power supply operation by comparing different voltage levels, essential for over-voltage and under-voltage protection.
- Battery Management: Monitors battery cells in multi-cell configurations, crucial for maintaining balance and extending battery life in portable devices.
- Automotive Electronics: Used in car systems to compare various sensor outputs, critical for engine and safety system functionalities.
- Signal Conditioning: Processes signals in communication infrastructures to maintain signal integrity and avoid data loss.
- Alarm Systems: Integral in security systems for accurate triggering based on specific threshold levels, ensuring timely alerts and responses.
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