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LM2902M
+NomenclatureIC OPAMP GP 4 CIRCUIT 14SOIC
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FabricantTexas Instruments
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Pièce fabricant #LM2902M
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Fiche technique LM2902M DataSheet
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En stock1598
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Spécifications
| Attribut | Valeur |
| Series | LinCMOS™ |
| Part Status | Obsolete |
| Base Product Number | LM2902 |
| Amplifier Type | Standard (General Purpose) |
| Number of Circuits | 4 |
| Gain Bandwidth Product | 1 MHz |
| Current - Input Bias | 45 nA |
| Voltage - Input Offset | 2 mV |
| Current - Supply | 1.5mA |
| Current - Output / Channel | 40 mA |
| Voltage - Supply Span (Min) | 3 V |
| Voltage - Supply Span (Max) | 32 V |
| Operating Temperature | -40°C ~ 85°C (TJ) |
| Mounting Type | Surface Mount |
| Package | 14-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 14-SOIC |
| Packaging | Tube |
Présentation
Description
The LM2902M is known for its low power consumption, typically drawing only 0.7 mA per amplifier, and offers a large output voltage swing, making it suitable for battery-operated devices. It supports common-mode input voltage including ground, making it ideal for single-supply applications. Typical uses include sensor interfacing, signal conditioning, and buffer amplifiers. The device is valued for its robustness and affordability in consumer electronics, automotive systems, and industrial controls. Its design, emphasizing stability and low noise, makes it a reliable choice for precision analog circuits.
Equivalent
Features
1. Wide Supply Voltage Range: It operates from ±1.5V to ±16V, making it suitable for a variety of applications.
2. Low Input Bias Current: This feature minimizes errors due to input currents, enhancing precision.
3. Low Power Consumption: The design ensures efficient operation with minimal power usage.
4. Wide Common-Mode and Differential Voltage Ranges: This allows for flexibility in signal handling.
5. Low Offset Voltage and Offset Current: Enhances accuracy by reducing deviations from true zero in output.
6. Internally Frequency Compensated: Ensures stability across a wide range of applications without requiring external components for frequency compensation.
7. Large Output Voltage Swing: Output can approach supply rails, maximizing the dynamic range.
The LM2902M is commonly used in automotive, industrial, and consumer electronics for tasks such as signal conditioning, filtering, and amplification.
Pinout
Here is a concise description of the pin functions:
1. V+ (Pin 4): Positive power supply voltage.
2. V- (Pin 11): Negative power supply voltage or ground.
3. Non-Inverting Inputs (Pins 3, 5, 10, 12): Positive inputs for each of the four op-amps.
4. Inverting Inputs (Pins 2, 6, 9, 13): Negative inputs for each of the four op-amps.
5. Outputs (Pins 1, 7, 8, 14): Outputs of the four operational amplifiers.
The LM2902M is designed to operate from a single power supply over a wide range of voltages, making it versatile for many low-power applications.
Manufacturer
Application
Package
Frequently Asked Questions
Q: Can the LM2902M operate from a single supply?
A: Yes, it can operate from a single supply from 3V to 32V, or dual supplies from ±1.5V to ±16V.
Q: What is the gain bandwidth of this quad op-amp?
A: The gain bandwidth product is 1 MHz, suitable for general-purpose signal conditioning.
Q: What is the maximum supply voltage for this device?
A: The maximum supply span is 32V, ensuring robust operation in industrial applications.
Q: Is the LM2902M suitable for low-power applications?
A: Yes, it draws only 1.5mA typical supply current per device, ideal for power-sensitive designs.
Q: Does this amplifier have input offset voltage issues?
A: Typical input offset voltage is 2 mV, offering good precision for standard applications.
Q: Can this device drive capacitive loads?
A: Yes, it incorporates stabilization mechanisms; however, design verification is recommended for heavy loads.
Q: What is the operating temperature range?
A: It operates from -40°C to +85°C, suitable for industrial and automotive environments.