LP339N/NOPB

Product Overview

• Category: Integrated Circuit
• Use: Comparator
• Characteristics: Low power consumption, high speed, wide supply voltage range
• Package: DIP-14, SOIC-14
• Essence: Analog IC
• Packaging/Quantity: Tube/50 pieces

Specifications

• Supply Voltage Range: ±2V to ±18V
• Input Offset Voltage: 5mV (maximum)
• Input Bias Current: 250nA (maximum)
• Response Time: 1.3μs (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The LP339N/NOPB has a total of 14 pins arranged as follows:

1. Inverting Input 1 (-IN1)
2. Non-Inverting Input 1 (+IN1)
3. VCC-
4. Output 1 (OUT1)
5. GND
6. Output 2 (OUT2)
7. VCC+
8. Non-Inverting Input 2 (+IN2)
9. Inverting Input 2 (-IN2)
10. Inverting Input 3 (-IN3)
11. Non-Inverting Input 3 (+IN3)
12. Output 3 (OUT3)
13. VCC-
14. GND

Functional Features

• High-speed response for quick comparison operations
• Wide supply voltage range allows for versatile applications
• Low power consumption for energy-efficient designs
• Three independent comparators in a single package for space-saving solutions
• Compatible with TTL and CMOS logic levels

Advantages and Disadvantages

Advantages

• Low power consumption makes it suitable for battery-powered devices
• High-speed operation enables rapid signal processing
• Wide supply voltage range allows for flexibility in various applications
• Three comparators in one package save board space and reduce component count

Disadvantages

• Limited number of comparators compared to other ICs in the same category
• May require additional external components for specific applications

Working Principles

The LP339N/NOPB is a comparator integrated circuit that compares two input voltages and provides a digital output based on their relative magnitudes. It operates by amplifying the voltage difference between the inputs and producing a high or low output depending on the comparison result. The device utilizes internal transistors and resistors to achieve accurate and reliable comparisons.

Detailed Application Field Plans

The LP339N/NOPB is commonly used in various applications, including:

1. Voltage level detection and monitoring
2. Signal conditioning and amplification
3. Threshold detection and triggering
4. Overvoltage/undervoltage protection circuits
5. Battery management systems
6. Motor control circuits
7. Precision measurement instruments

Detailed and Complete Alternative Models

Some alternative models to the LP339N/NOPB include:

1. LM339N: Similar specifications and pin configuration, different manufacturer
2. LT1719IS8: Higher speed and lower power consumption, different package
3. MAX9025EUA+: Lower supply voltage range, smaller package size
4. TS393IDT: Dual comparator with similar characteristics, different pin configuration

These alternative models offer similar functionality and can be considered as substitutes depending on specific requirements.

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