LM2902KAVQDRG4

Overview

Product Category: Integrated Circuit (IC)

Use: Operational Amplifier

Characteristics: - Low power consumption - Wide supply voltage range - High input impedance - Rail-to-rail output swing capability - Low input offset voltage and current - High common-mode and differential voltage ranges

Package: VQFN-14

Essence: The LM2902KAVQDRG4 is a quad operational amplifier designed for general-purpose applications. It is part of the LM2902 series, which consists of four independent amplifiers in a single package.

Packaging/Quantity: The LM2902KAVQDRG4 is available in tape and reel packaging with 2500 units per reel.

Specifications

• Supply Voltage Range: ±1.5V to ±16V
• Input Offset Voltage: 2mV (maximum)
• Input Bias Current: 20nA (maximum)
• Input Common-Mode Voltage Range: -0.3V to +26V
• Output Voltage Swing: -0.1V to +13.6V
• Gain Bandwidth Product: 1.3MHz (typical)
• Slew Rate: 0.5V/µs (typical)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The LM2902KAVQDRG4 has a VQFN-14 package with the following pin configuration:

___________ NC |1 14| VCC+ IN- |2 13| OUT1 IN+ |3 12| IN4 VCC-|4 LM 11| OUT4 OUT-|5 2902 10| IN3 OUT+|6 9 | IN2 IN- |7 8 | OUT2 ‾‾‾‾‾‾‾‾‾‾‾

Functional Features

• Low power consumption makes it suitable for battery-powered applications.
• Wide supply voltage range allows operation in various voltage levels.
• High input impedance minimizes loading effects on the signal source.
• Rail-to-rail output swing capability enables maximum utilization of the supply voltage range.
• Low input offset voltage and current ensure accurate amplification of small signals.
• High common-mode and differential voltage ranges provide flexibility in different circuit configurations.

Advantages

• Versatile operational amplifier suitable for a wide range of applications.
• Compact package with multiple amplifiers saves board space and reduces component count.
• Low power consumption extends battery life in portable devices.
• Wide supply voltage range allows compatibility with different power sources.
• High input impedance minimizes signal degradation and improves overall system performance.

Disadvantages

• Limited gain bandwidth product may not be suitable for high-frequency applications.
• Slew rate may limit the amplifier's ability to accurately reproduce fast-changing signals.
• Input offset voltage and current may introduce errors in precision applications.

Working Principles

The LM2902KAVQDRG4 is an operational amplifier that amplifies the difference between two input voltages. It consists of four independent amplifiers, each with a differential input stage, gain stage, and output stage. The input stage provides high input impedance, while the gain stage amplifies the input signal. The output stage drives the output voltage to match the amplified input signal.

Detailed Application Field Plans

The LM2902KAVQDRG4 can be used in various applications, including: 1. Audio amplifiers 2. Signal conditioning circuits 3. Active filters 4. Voltage and current measurement circuits 5. Sensor interfaces 6. Data acquisition systems 7. Industrial control systems

Detailed and Complete Alternative Models

Some alternative models to the LM2902KAVQDRG4 are: 1. LM324: Similar quad operational amplifier with a DIP-14 package. 2. LM358: Dual operational amplifier with a SOIC-8 package. 3. TL074: Quad operational amplifier with a DIP-14 package. 4. MCP6004: Quad operational amplifier with a DIP-14 package.

These alternative models offer similar functionality and can be used as replacements depending on specific requirements.

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