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LM339NSR
+Lista de MateriaisIC COMPARATOR 4 DIFF 14SO
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FabricanteTexas Instruments
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Peça do Fabricante #LM339NSR
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Especificações
| Atributo | Valor |
| Part Status | Active |
| Type | General Purpose |
| Number of Elements | 4 |
| Output Type | Open-Collector |
| Voltage - Supply, Single / Dual (±) | 2V ~ 30V, ±1V ~ 15V |
| Voltage - Input Offset (Max) | 5mV @ 30V |
| Current - Input Bias (Max) | 0.25µA @ 5V |
| Current - Output (Typ) | 20mA |
| Current - Quiescent (Max) | 2.5mA |
| Operating Temperature | 0°C ~ 70°C |
| Package / Case | 14-SOIC (0.209", 5.30mm Width) |
| Mounting Type | Surface Mount |
| Supplier Device Package | 14-SO |
| Base Product Number | LM339 |
Visão Geral
Description
Key features of the LM339NSR include low power consumption, a wide operating voltage range, and open-collector outputs, which allow for wired-AND connections. This IC is typically used in applications such as voltage level detection, oscillators, and signal conditioning.
Operating from a single supply ranging from 2V to 36V, or dual supplies of ±1V to ±18V, the LM339NSR is highly versatile. Its open-collector output stage requires a pull-up resistor to a positive voltage for proper operation. The device is commonly available in an SOIC-14 package, making it suitable for various compact circuit designs.
Overall, the LM339NSR is a reliable choice for engineers needing multiple, low-power voltage comparison functionalities in their projects.
Equivalent
- LM339 series from other manufacturers, like ON Semiconductor LM339N.
- TI's updated versions, such as TLV1704 or LM2901.
- STMicroelectronics' LM339
- NXP's LMx39 series.
- Microchip's MCP6541 series might serve as an alternative, depending on specific requirements.
When choosing an equivalent, ensure compatibility in terms of voltage, current ratings, and package type.
Features
1. Quad Comparator: Contains four independent voltage comparators in a single package.
2. Wide Supply Voltage Range: Operates from 2V to 36V, suitable for various digital and analog systems.
3. Low Input Offset Voltage: Typically around 2mV, ensuring precise voltage comparison.
4. Low Input Bias Current: Approximately 25nA, minimizing errors related to input current.
5. Low Output Saturation Voltage: Allows for efficient operation in low-voltage systems.
6. Open Collector Output: Can drive loads connected to different supply voltages.
7. Wide Temperature Range: Suitable for industrial and commercial applications, typically -40°C to 85°C.
8. High Gain: Provides a large differential gain, enhancing signal processing.
9. Fast Response Time: Capable of rapid voltage comparison, suitable for high-speed applications.
10. Compact Package: Available in surface-mount packages like SOIC, saving board space.
These features make the LM339NSR effective for use in voltage level detection, waveform generation, and sensor interface applications.
Pinout
Pin configuration for the LM339NSR is as follows:
1. Output 1
2. Input 1- (Inverting)
3. Input 1+ (Non-Inverting)
4. Output 2
5. Input 2- (Inverting)
6. Input 2+ (Non-Inverting)
7. GND (Ground)
8. Input 3+ (Non-Inverting)
9. Input 3- (Inverting)
10. Output 3
11. Input 4+ (Non-Inverting)
12. Input 4- (Inverting)
13. Output 4
14. VCC (Positive Supply Voltage)
The LM339NSR can operate over a wide range of supply voltages and is used in various applications like zero-crossing detectors, voltage level shifters, and many other analog signal processing tasks.
Manufacturer
Application
1. Voltage Comparison: It compares input voltages and provides a digital output, useful in analog-to-digital conversion.
2. Threshold Detectors: Used in applications like level detection and battery voltage monitoring.
3. Oscillators: Helps build relaxation oscillators for timing and waveform generation.
4. Zero-Crossing Detectors: Converts AC signals into square waves for phase-locked loops.
5. Pulse Width Modulation (PWM): Used in motor speed control and light dimming circuits.
6. Signal Conditioning: Enhances sensor signal processing by converting analog inputs to digital outputs.
These versatile uses make it suitable for automotive, consumer electronics, and industrial applications.