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LM2902
+Lista de MateriaisFOUR CHANNELS 0.4V/US 1.3MHZ 7MV
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FabricanteShenzhen Slkormicro Semicon Co., Ltd.
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Peça do Fabricante #LM2902
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Em Estoque28792
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Especificações
| Atributo | Valor |
| Part Status | Active |
| Amplifier Type | Standard (General Purpose) |
| Number of Circuits | 4 |
| Output Type | Push-Pull |
| Slew Rate | 0.4V/µs |
| Gain Bandwidth Product | 1.3 MHz |
| Current - Input Bias | 20 nA |
| Voltage - Input Offset | 2 mV |
| Supply Current | 375µA (x4 Channels) |
| Current - Output / Channel | 40 mA |
| Voltage - Supply Span (Min) | 3 V |
| Voltage - Supply Span (Max) | 30 V |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 14-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 14-SOP |
| Packaging | Cut Tape (CT), Tape & Reel (TR) |
Visão Geral
Description
Key specifications include a wide operating voltage range from 3V to 32V, low power consumption, and a common-mode input voltage range that includes ground, even in single-supply operation. This makes it suitable for battery-powered devices. The LM2902 is also characterized by low offset voltage and current, which enhances precision in analog signal processing tasks.
Typical applications of the LM2902 include signal amplification, active filters, integrators, and voltage followers. Its robust performance, combined with cost-effectiveness, makes it a popular choice for both professional engineers and hobbyists in the electronics field.
Equivalent
Features
1. Quad Configuration: It contains four independent op-amps in a single package, ideal for applications requiring multiple amplifiers.
2. Wide Supply Voltage Range: Operates on a single power supply ranging from 3V to 32V, or dual supplies ranging from ±1.5V to ±16V.
3. Low Power Consumption: Designed for low power applications with minimal quiescent current.
4. High Gain Bandwidth: Offers a gain bandwidth product of around 1 MHz, suitable for a variety of applications.
5. Low Input Bias Current: Features a low input bias current, enhancing performance in high-impedance circuits.
6. Short-Circuit Protection: Built-in protection against output short circuits.
7. Wide Temperature Range: Operates effectively over a temperature range from -40°C to +125°C.
8. Common Mode Range: Includes a wide common-mode voltage range, extending to ground level.
These features make the LM2902 suitable for a range of applications, including signal processing, sensor interfacing, and general-purpose amplification.
Pinout
1. Pin 1: Output of Op-Amp 1
2. Pin 2: Inverting Input of Op-Amp 1
3. Pin 3: Non-Inverting Input of Op-Amp 1
4. Pin 4: VCC+ (Positive Supply Voltage)
5. Pin 5: Non-Inverting Input of Op-Amp 2
6. Pin 6: Inverting Input of Op-Amp 2
7. Pin 7: Output of Op-Amp 2
8. Pin 8: Output of Op-Amp 3
9. Pin 9: Inverting Input of Op-Amp 3
10. Pin 10: Non-Inverting Input of Op-Amp 3
11. Pin 11: VCC- (Negative Supply Voltage or Ground)
12. Pin 12: Non-Inverting Input of Op-Amp 4
13. Pin 13: Inverting Input of Op-Amp 4
14. Pin 14: Output of Op-Amp 4
The LM2902 is commonly used for signal amplification and conditioning, and it operates over a wide range of power supply voltages, making it versatile for various applications.
Manufacturer
Texas Instruments is an American technology company known for designing and manufacturing semiconductors and various integrated circuits. It is one of the largest semiconductor companies globally.
STMicroelectronics is a multinational electronics and semiconductor manufacturer headquartered in Switzerland. It serves a wide range of industries, including automotive, industrial, personal electronics, and communications.
ON Semiconductor, now known as onsemi, is an American semiconductor supplier company that specializes in power and signal management, logic, discrete, and custom devices for various sectors, including automotive, communications, computing, and consumer electronics.
Each of these companies produces the LM2902, which is widely used in electronic circuits for its reliability and versatility in amplifying electrical signals.
Application
1. Signal Conditioning: Used to amplify and filter signals in sensor interfaces.
2. Data Acquisition: Integral in analog-to-digital conversion systems.
3. Active Filters: Employed in audio and communication systems for signal filtering.
4. Voltage Followers: Used in buffer circuits due to high input impedance.
5. Oscillators: Utilized in generating waveforms for electronic devices.
6. Industrial Controls: Applied in control systems for process automation.
7. Consumer Electronics: Used in audio equipment, TVs, and home appliances.
The LM2902's versatility makes it suitable for both commercial and industrial applications.