Overview
The LM339AN/NOPB is a quad comparator integrated circuit produced by Texas Instruments. It is part of the LMx39 series, designed to provide high-precision voltage comparison with a wide range of supply voltage options. This component is particularly useful in applications requiring multiple independent comparisons and is known for its low power consumption and compatibility with various logic systems.
Key Specifications
| Parameter | Value |
|---|---|
| Package / Case | 14-DIP (0.300", 7.62mm) |
| Operating Temperature | -25°C ~ 85°C |
| Input Bias Current (Max.) | 0.25µA @ 5V |
| Output Current (Typ.) | 16mA @ 5V |
| Quiescent Current (Max.) | 2.5mA |
| Mounting Style | Through Hole |
| Number of Elements | 4 |
| Output Type | Open-Collector |
| Package Type | 14-PDIP |
| Type | General Purpose |
| Input Offset Voltage (Max.) | 2mV @ 5V |
| Supply Voltage Range | Single Supply: 2V to 36V, Dual Supply: ±1V to ±18V |
Key Features
- 4 Independent Comparators: Suitable for multi-channel comparison tasks.
- Wide Supply Voltage Range: Operates from 2V to 36V (single supply) or ±1V to ±18V (dual supply).
- Low Input Bias Current: Max 0.25µA, ensuring minimal loading on input signals.
- Open-Collector Outputs: Allows flexible output configuration and interfacing with other logic levels.
- Low Quiescent Current: Max 2.5mA, making it power-efficient.
- Through-Hole Package: 14-Pin PDIP for easy prototyping and mounting.
- High-Precision Comparators: Offset voltage specification as low as 2 mV maximum for all four comparators.
- Compatible With All Forms of Logic: TTL, DTL, ECL, MOS, and CMOS logic systems.
Applications
The LM339AN/NOPB is versatile and can be used in a variety of applications, including:
- Multi-channel comparison tasks: Ideal for systems that require multiple independent voltage comparisons.
- Analog to Digital Conversion: Can be used in ADC circuits to compare analog signals.
- Temperature Sensing: Suitable for temperature sensing applications due to its high precision and low offset voltage.
- Audio and RF Amplifiers: Used in both audio frequency (AF) and radio frequency (RF) amplifiers.
- Logic Interface: Directly interfaces with TTL, CMOS, and other logic systems, making it a useful component in digital circuits.
Q & A
- What is the LM339AN/NOPB?
The LM339AN/NOPB is a quad comparator integrated circuit produced by Texas Instruments, designed for high-precision voltage comparison. - What is the operating temperature range of the LM339AN/NOPB?
The operating temperature range is -25°C to 85°C. - What is the supply voltage range for the LM339AN/NOPB?
The supply voltage range is 2V to 36V for single supply and ±1V to ±18V for dual supply. - How many independent comparators does the LM339AN/NOPB have?
The LM339AN/NOPB has 4 independent comparators. - What is the maximum input bias current of the LM339AN/NOPB?
The maximum input bias current is 0.25µA at 5V. - Is the LM339AN/NOPB compatible with TTL and CMOS logic?
Yes, it is compatible with TTL, DTL, ECL, MOS, and CMOS logic systems. - What is the typical output current of the LM339AN/NOPB?
The typical output current is 16mA at 5V. - What is the maximum quiescent current of the LM339AN/NOPB?
The maximum quiescent current is 2.5mA. - What type of package does the LM339AN/NOPB use?
The LM339AN/NOPB uses a 14-Pin PDIP (Through-Hole) package. - What are some common applications of the LM339AN/NOPB?
Common applications include multi-channel comparison tasks, analog to digital conversion, temperature sensing, and interfacing with various logic systems.
