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LM2901D
+NomenclatureQUAD DIFFERENTIAL COMPARATOR
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FabricantSemi - conducteurs nationaux
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Pièce fabricant #LM2901D
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Fiche technique LM2901D DataSheet
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Package SOIC-14
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En stock7764
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Spécifications
| Attribut | Valeur |
| Package / Case | Tube |
| Part Status | Obsolete |
| Type | General Purpose |
| Number of Elements | 4 |
| Output Type | CMOS, DTL, ECL, MOS, Open-Collector, TTL |
| Voltage - Supply, Single/Dual (±) | 2V ~ 32V, ±1V ~ 16V |
| Voltage - Input Offset (Max) | 7mV @ 5V |
| Current - Input Bias(Max) | 0.25µA @ 5V |
| Current - Output (Typ) | 16mA @ 5V |
| Current - Quiescent (Max) | 2.5mA |
| Operating Temperature | -40°C ~ 125°C |
| Mounting Type | Surface Mount |
Présentation
Description
Key features of the LM2901D include low input bias current, low offset voltage, and the ability to operate with dual or single power supplies. It is capable of driving loads such as LED indicators, which is useful in various electronic devices. The LM2901D is often used in automotive, industrial, and consumer electronics due to its robustness and reliability.
The IC is available in a standard SOIC-14 package, making it easy to integrate into circuit designs. Its versatility and performance make the LM2901D a popular choice for designers needing reliable voltage comparison functionality.
Equivalent
1. LM339 - A similar quad comparator with comparable specifications.
2. LM3302 - Another quad comparator with similar functionalities.
3. LM324(when used as a comparator) - Though primarily an operational amplifier, it can function similarly in comparator applications.
4. MC3302 - A quad comparator with equivalent performance.
5. TLC3704 - A CMOS quad comparator with similar capabilities.
Always verify the specifications and pin configurations to ensure compatibility.
Features
1. Wide Supply Voltage Range: It operates over a range of 2V to 36V for single supply or ±1V to ±18V for dual supplies, making it versatile for various applications.
2. Low Input Offset Voltage: Typically around 2mV, which enhances the accuracy of voltage comparisons.
3. Low Power Consumption: Due to its low quiescent current, it's efficient for battery-powered devices.
4. Output Compatibility: Open-collector output allows it to interface with various logic families and drive loads directly, such as relays and LEDs.
5. Wide Common-Mode Range: The inputs can go slightly below ground, extending its application range.
6. Temperature Range: Designed to operate over a wide temperature range, typically from -40°C to +85°C, suitable for industrial environments.
7. High Gain: It offers a high voltage gain, crucial for amplification purposes.
This combination of features makes the LM2901D suitable for a variety of tasks, including zero-crossing detectors, voltage level detectors, and oscillators.
Pinout
The LM2901D typically comes in a 14-pin dual in-line package (DIP) or surface-mount package. Here is a concise description of the pin functions:
1. VCC (Pin 14): Positive power supply voltage.
2. GND (Pin 7): Ground or negative power supply voltage.
3. IN1- (Pin 2): Inverting input of comparator 1.
4. IN1+ (Pin 3): Non-inverting input of comparator 1.
5. OUT1 (Pin 1): Output of comparator 1.
6. IN2- (Pin 6): Inverting input of comparator 2.
7. IN2+ (Pin 5): Non-inverting input of comparator 2.
8. OUT2 (Pin 7): Output of comparator 2.
9. IN3- (Pin 9): Inverting input of comparator 3.
10. IN3+ (Pin 8): Non-inverting input of comparator 3.
11. OUT3 (Pin 14): Output of comparator 3.
12. IN4- (Pin 11): Inverting input of comparator 4.
13. IN4+ (Pin 10): Non-inverting input of comparator 4.
14. OUT4 (Pin 13): Output of comparator 4.
Note that pin numbers may vary slightly based on the specific package type. Always refer to the manufacturer's datasheet for precise information.
Manufacturer
Texas Instruments (TI) is a global technology company that designs and manufactures semiconductors and various integrated circuits. They serve industries such as automotive, industrial, personal electronics, and communications equipment. TI is known for its innovation in producing analog chips and embedded processors.
STMicroelectronics is a multinational electronics and semiconductor manufacturer headquartered in Switzerland. They provide a broad range of products, including microcontrollers, sensors, and power management devices, serving sectors like consumer electronics, industrial, and automotive. STMicroelectronics is noted for its commitment to innovation, sustainability, and technology development.
Both TI and STMicroelectronics are key players in the semiconductor industry, contributing significantly to technological advancements across multiple sectors.