Overview
The LM339AN is a quad voltage comparator integrated circuit produced by Harris Corporation, now part of Texas Instruments. It features four independent voltage comparators within a single 14-pin package. This component is highly versatile, capable of operating over a wide range of supply voltages and supporting both single and dual power supply configurations. The LM339AN is known for its low supply current, low input bias current, and low input offset voltage, making it suitable for various applications in consumer electronics, automotive systems, and industrial control mechanisms.
Key Specifications
| Attribute | Attribute Value |
|---|---|
| Manufacturer | Harris Corporation (now Texas Instruments) |
| Package / Case | 14-DIP (0.300, 7.62mm) |
| Mounting Type | Through Hole |
| Number of Elements | 4 Elements |
| Operating Temperature | 0°C ~ 70°C |
| Max Operating Temperature | 125 °C |
| Min Operating Temperature | -55 °C |
| Output Type | CMOS, DTL, ECL, MOS, Open-Collector, TTL |
| Supply Voltage (Single/Dual) | 2 V ~ 36 V, ±1 V ~ ±18 V |
| Quiescent Current (Max) | 2.5 mA |
| Input Bias Current (Max) | 0.1 µA @ 5 V |
| Input Offset Voltage (Max) | 2 mV @ 30 V |
| Response Time | 1.3 µs |
| Power Dissipation | 1.05 W |
| Technology | Bipolar |
Key Features
- Wide supply voltage range: Single supply from 2 V to 36 V and dual supplies from ±1 V to ±18 V.
- Low supply current: Independent of supply voltage, typically 0.8 mA.
- Low input bias current: Typically 25 nA.
- Low input offset voltage: Typically 2 mV.
- Common-mode input voltage range includes ground.
- Differential input voltage range equal to maximum-rated supply voltage: ±36 V.
- Output compatible with TTL, MOS, and CMOS systems.
- Adjustable output potential setting.
Applications
The LM339AN is widely used in various applications due to its versatility and robust performance. It is commonly found in:
- Consumer electronics: For signal processing and voltage monitoring.
- Automotive systems: Ensuring stability and performance across different temperatures.
- Industrial control mechanisms: Where maintaining temperature stability is crucial.
- Precision instrumentation: For accurate measurements and sensitive detections.
- Power supply monitoring and overvoltage protection: Due to its reliability and adaptability.
Q & A
- What is the LM339AN?
The LM339AN is a quad voltage comparator integrated circuit produced by Harris Corporation, now part of Texas Instruments. It features four independent voltage comparators within a single package.
- What are the supply voltage ranges for the LM339AN?
The LM339AN can operate with a single supply voltage from 2 V to 36 V and with dual supplies from ±1 V to ±18 V.
- What is the typical quiescent current of the LM339AN?
The typical quiescent current is 0.8 mA, which is independent of the supply voltage.
- What is the input bias current of the LM339AN?
The input bias current is typically 25 nA.
- What is the input offset voltage of the LM339AN?
The input offset voltage is typically 2 mV.
- Is the LM339AN compatible with TTL, MOS, and CMOS systems?
- What is the operating temperature range of the LM339AN?
- What are some common applications of the LM339AN?
- What is the response time of the LM339AN?
- Is the LM339AN RoHS compliant?
