LM339N

• Quad Comparators: The LM339N includes four individual voltage comparators, making it ideal for applications requiring multiple voltage comparisons.

• Low Input Offset Voltage: It has a low input offset voltage, minimizing errors in voltage comparisons.

• Wide Voltage Range: The IC can operate from a single supply voltage as low as 2V and up to 36V or ±1 V to ±18 V , making it versatile for various applications.

• Open Collector Outputs: The outputs are typically open collector, allowing for easy interfacing with microcontrollers or other digital logic.

• Low Power Consumption: The LM339N is power-efficient and suitable for battery-powered devices.

• Hysteresis: It often features hysteresis in its comparators, which helps prevent oscillations in cases of small voltage fluctuations around the comparison threshold.

• Extremely low supply current (merely 1.1 mA), unaffected by the supply voltage

• Minimal input bias current, typically 25 nA

• Negligible input offset current, typically within ±5 nA

• Inconsiderable input offset voltage, typically within ±1 mV

• Encompasses ground in the input common-mode voltage range

• Exceptionally low output saturation voltage, typically 250 mV (under ISINK = 4 mA)

• Differential input voltage range extends up to the supply voltage

• Compatible outputs with TTL, DTL, ECL, MOS, and CMOS technologies

• Standard DIP Package: The LM339N is typically available in a standard dual-inline package (DIP) for easy integration into circuit designs.

• Industrial Applications: The LM339N is used in industrial automation and control systems, including motor control, level sensing, and process monitoring.

• Automotive: In the automotive industry, it is employed for functions such as monitoring and controlling engine parameters, battery management, and safety systems.

• Infotainment and Clusters: In vehicles, it contributes to infotainment systems and instrument clusters by managing sensors and switches.

• Body Control Modules: LM339N helps control functions like door locks, window motors, and lighting systems within a vehicle.

• Power Supervision: It is used in power supply supervision and management to ensure the proper functioning of power sources and battery charging systems.

• Oscillators: LM339N can be part of oscillator circuits, generating clock signals and waveforms for various applications.

• Peak Detectors: It is employed in peak detection circuits, commonly found in radio receivers and communication systems.

• Logic Voltage Translation: In mixed-signal systems, it helps to translate voltage levels between different logic families, ensuring compatibility.

LM339N equivalent parts

The equivalents of LM339 are:

LM311: The LM311 is a high-speed voltage comparator with differential inputs. It is used in applications requiring precise voltage comparisons.

LM2901: The LM2901 is a quad voltage comparator designed for low-power applications. It offers four independent comparators in a single package.

LM239: Similar to the LM2901, the LM239 is a quad voltage comparator that operates with low power consumption.

LM139: The LM139 is a quad voltage comparator with tight voltage reference tolerance. It is suitable for applications requiring precision voltage comparisons.

LM397: The LM397 is a voltage comparator with high-speed operation. It is often used in applications where rapid response is needed.

LM324: Although the LM324 is not identical to the LM339, it is a quad operational amplifier. While it's not a voltage comparator like the LM339, it can be used in similar applications when op-amp functionality is required.