LM2902NG4

Product Overview

Category: Integrated Circuit (IC)

Use: The LM2902NG4 is a quad operational amplifier designed for general-purpose applications. It is commonly used in various electronic circuits that require amplification, filtering, and signal conditioning.

Characteristics: - Low input offset voltage - Low input bias current - High open-loop gain - Wide supply voltage range - Rail-to-rail output swing capability

Package: The LM2902NG4 is available in a DIP-14 package, which stands for Dual In-line Package with 14 pins. This package provides easy mounting and soldering onto printed circuit boards.

Essence: The essence of the LM2902NG4 lies in its ability to amplify and process analog signals accurately and efficiently.

Packaging/Quantity: The LM2902NG4 is typically sold in reels or tubes containing multiple units. The exact quantity may vary depending on the manufacturer and distributor.

Specifications

The LM2902NG4 has the following specifications:

• Supply Voltage Range: ±1.5V to ±18V
• Input Offset Voltage: 2 mV (maximum)
• Input Bias Current: 45 nA (maximum)
• Open-Loop Gain: 100 dB (typical)
• Output Swing: Rail-to-Rail
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LM2902NG4 has a total of 14 pins, each serving a specific function. The pin configuration is as follows:

1. Non-Inverting Input (Op-Amp 1)
2. Inverting Input (Op-Amp 1)
3. Output (Op-Amp 1)
4. VCC+
5. Non-Inverting Input (Op-Amp 2)
6. Inverting Input (Op-Amp 2)
7. Output (Op-Amp 2)
8. VCC-
9. Non-Inverting Input (Op-Amp 3)
10. Inverting Input (Op-Amp 3)
11. Output (Op-Amp 3)
12. Ground
13. Non-Inverting Input (Op-Amp 4)
14. Inverting Input (Op-Amp 4)

Functional Features

The LM2902NG4 offers the following functional features:

• Low input offset voltage ensures accurate signal amplification.
• High open-loop gain allows for precise signal conditioning.
• Wide supply voltage range enables flexibility in various power supply configurations.
• Rail-to-rail output swing capability ensures maximum utilization of the available voltage range.

Advantages and Disadvantages

Advantages: - Accurate amplification and signal conditioning. - Versatile application in various electronic circuits. - Wide supply voltage range for flexible power supply options. - Rail-to-rail output swing capability for maximum signal utilization.

Disadvantages: - Limited bandwidth compared to specialized operational amplifiers. - Higher power consumption compared to low-power op-amps.

Working Principles

The LM2902NG4 operates based on the principles of operational amplifiers. It utilizes differential input stages, gain stages, and output stages to amplify and process analog signals. The internal circuitry is designed to minimize input offset voltage, input bias current, and provide high open-loop gain.

Detailed Application Field Plans

The LM2902NG4 finds applications in various fields, including but not limited to: - Audio amplification and filtering circuits - Sensor signal conditioning - Active filters - Voltage and current measurement circuits - Signal generators

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to the LM2902NG4 are: - LM324 - TL074 - MC34074 - LM358

These alternatives offer similar functionality and can be used interchangeably in many applications.

In conclusion, the LM2902NG4 is a versatile quad operational amplifier that provides accurate amplification and signal conditioning. Its wide supply voltage range and rail-to-rail output swing capability make it suitable for various electronic circuits. While it has some limitations, it remains a popular choice in many applications.