LM2904M8-13

Product Overview

Category: Integrated Circuit (IC)

Use: Operational Amplifier

Characteristics: - Low power consumption - Wide operating voltage range - High gain bandwidth product - Rail-to-rail input and output - Low input offset voltage - Unity-gain stable

Package: SOIC-8

Essence: The LM2904M8-13 is a dual operational amplifier that belongs to the LM2904 series. It is designed for general-purpose applications requiring low power consumption and high precision amplification.

Packaging/Quantity: The LM2904M8-13 is available in a surface-mount SOIC-8 package. It is typically sold in reels of 2500 units.

Specifications

• Supply Voltage Range: 3V to 32V
• Input Offset Voltage: 2mV (maximum)
• Input Bias Current: 20nA (maximum)
• Gain Bandwidth Product: 1MHz (typical)
• Slew Rate: 0.5V/µs (typical)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The LM2904M8-13 has a total of 8 pins, which are assigned as follows:

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

Functional Features

1. Low Power Consumption: The LM2904M8-13 is designed to operate with minimal power consumption, making it suitable for battery-powered applications.

2. Wide Operating Voltage Range: It can operate from a supply voltage as low as 3V up to 32V, providing flexibility in various applications.

3. High Gain Bandwidth Product: With a typical gain bandwidth product of 1MHz, the LM2904M8-13 can handle a wide range of signal frequencies.

4. Rail-to-Rail Input and Output: The operational amplifier supports rail-to-rail input and output voltage swing, allowing it to work with signals close to the supply rails.

5. Low Input Offset Voltage: The input offset voltage is kept minimal (maximum 2mV), ensuring accurate amplification of small input signals.

6. Unity-Gain Stable: The LM2904M8-13 remains stable even at unity-gain configuration, eliminating the need for external compensation components.

Advantages and Disadvantages

Advantages: - Low power consumption extends battery life in portable devices. - Wide operating voltage range enables versatile applications. - High gain bandwidth product allows amplification of a broad range of frequencies. - Rail-to-rail input and output capability enhances signal handling capabilities. - Low input offset voltage ensures accurate amplification of small signals. - Unity-gain stability simplifies circuit design.

Disadvantages: - Limited slew rate may not be suitable for high-speed applications. - Single-supply operation only, not suitable for dual-supply applications.

Working Principles

The LM2904M8-13 is based on a differential amplifier configuration that amplifies the voltage difference between its two input terminals. It utilizes internal transistors and resistors to achieve the desired amplification characteristics. The operational amplifier operates in a closed-loop configuration, where feedback is used to control the gain and performance of the circuit.

Detailed Application Field Plans

The LM2904M8-13 is commonly used in various applications, including but not limited to: - Audio amplifiers - Signal conditioning circuits - Sensor interfaces - Active filters - Voltage regulators - Oscillators

Detailed and Complete Alternative Models

1. LM358: Dual operational amplifier with similar characteristics, available in various package options.
2. TL072: Low-noise dual operational amplifier with higher slew rate and wider temperature range.
3. MCP6002: Low-power dual operational amplifier with rail-to-rail input and output.

These alternative models offer similar functionality to the LM2904M8-13 and can be considered as replacements depending on specific application requirements.

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