LM2904DR

Product Overview

Category: Integrated Circuit (IC)

Use: Operational Amplifier

Characteristics: - Dual operational amplifier - Low power consumption - Wide supply voltage range - High input impedance - Output swing close to the supply voltage - Rail-to-rail output capability

Package: SOIC (Small Outline Integrated Circuit)

Essence: The LM2904DR is a dual operational amplifier that provides high-performance amplification for various applications.

Packaging/Quantity: The LM2904DR is typically sold in reels or tubes, containing a specific quantity of ICs per package.

Specifications

The LM2904DR has the following specifications:

• Supply Voltage Range: 3V to 32V
• Input Offset Voltage: ±2mV (maximum)
• Input Bias Current: ±20nA (maximum)
• Input Offset Current: ±5nA (maximum)
• Gain Bandwidth Product: 1MHz (typical)
• Slew Rate: 0.6V/µs (typical)
• Common Mode Rejection Ratio: 70dB (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LM2904DR has eight pins arranged as follows:

___________ V+ |1 8| V- IN-|2 7| OUT IN+|3 6| NC NC |4 5| NC ¯¯¯¯¯¯¯¯¯¯¯

Functional Features

• Dual operational amplifier allows for independent amplification of two signals.
• Low power consumption makes it suitable for battery-powered devices.
• Wide supply voltage range enables compatibility with various power sources.
• High input impedance minimizes loading effects on the input signal.
• Output swing close to the supply voltage allows for maximum utilization of the available dynamic range.
• Rail-to-rail output capability ensures accurate amplification even at the extremes of the supply voltage.

Advantages and Disadvantages

Advantages: - Dual amplifier configuration provides flexibility in signal processing. - Low power consumption extends battery life in portable devices. - Wide supply voltage range enhances compatibility with different systems. - High input impedance minimizes signal degradation. - Rail-to-rail output capability enables accurate amplification across the entire voltage range.

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.

Working Principles

The LM2904DR operates as a voltage amplifier, taking an input signal and amplifying it to a higher level. It utilizes internal circuitry to provide amplification while maintaining low power consumption and high performance characteristics. The operational amplifier's inputs and outputs are designed to work within a specified voltage range, allowing for accurate signal processing.

Detailed Application Field Plans

The LM2904DR is commonly used in various applications, including: 1. Audio amplification 2. Signal conditioning 3. Sensor interfaces 4. Active filters 5. Voltage regulators 6. Oscillators

Detailed and Complete Alternative Models

Some alternative models to the LM2904DR include: - LM358 - TL072 - NE5532 - OP07 - MCP6002

These alternatives offer similar functionality and can be used as substitutes depending on specific requirements.

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