LM2902M

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LM2902M

+Nomenclature

IC OPAMP GP 4 CIRCUIT 14SOIC

  • FabricantTexas Instruments

  • Pièce fabricant #LM2902M

  • Fiche technique LM2902M DataSheet

  • 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 a quad operational amplifier, designed by Texas Instruments, suitable for a wide range of analog applications. Housed in a small-outline integrated circuit (SOIC) package, it features four independent high-gain, internally frequency-compensated operational amplifiers capable of operating from a single power supply or split supply. The wide supply voltage range (3V to 32V or ±1.5V to ±16V) makes it versatile for various applications.
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

The LM2902M is a quad operational amplifier. Equivalent products include the LM324 series, such as LM324N or LM324Mand other similar op-amps like MC33072, TL084, and MCP6004. These alternatives generally serve similar functions, but it's important to verify specific parameters like bandwidth, slew rate, and supply voltage to ensure compatibility with your application.

Features

The LM2902M is a quad operational amplifier featuring four independent, high-gain, internally frequency-compensated op-amps. Key features include:
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

The LM2902M is a quad operational amplifier IC that contains four independent high-gain operational amplifiers. It is commonly used in various applications such as signal amplification, filtering, and mathematical operations. The LM2902M is housed in a 14-pin SOIC (Small Outline Integrated Circuit) package.
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

The LM2902M is manufactured by Texas Instruments, an American technology company known for its development and production of semiconductors and various integrated circuits. Texas Instruments is a major player in the electronics industry and is recognized for its contributions to innovation in analog and embedded processing components. The company serves a wide range of industries, including automotive, industrial, personal electronics, communications, and enterprise systems. Texas Instruments is renowned for its focus on research and development, which allows it to offer a diverse portfolio of products that cater to various technological needs.

Application

The LM2902M is a quad operational amplifier designed for various applications. It is commonly used in analog signal processing tasks such as amplification, filtering, and integration. In the automotive industry, it is utilized for sensor signal conditioning and control systems. In industrial applications, it is employed in motor control circuits and process control systems. It also finds use in consumer electronics for audio processing and power supply regulation. The LM2902M's ability to operate on a wide voltage range makes it suitable for battery-powered devices. Additionally, it is utilized in instrumentation for data acquisition and transducer interfacing.

Package

The LM2902M is an operational amplifier IC commonly housed in a SOIC-14 (Small Outline Integrated Circuit) package. This package type is surface-mount, featuring 14 pins which allow for compact and efficient layout on printed circuit boards (PCBs).

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.