LM2904FJ-E2

Overview

Category: Integrated Circuit (IC)

Use: Operational Amplifier

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

Package: DIP-8 (Dual In-line Package 8 pins)

Essence: The LM2904FJ-E2 is a dual operational amplifier designed for general-purpose applications. It provides high-performance amplification with low power consumption.

Packaging/Quantity: The LM2904FJ-E2 is typically sold in reels or tubes, containing a quantity of 2500 units per reel/tube.

Specifications

The LM2904FJ-E2 has the following specifications:

• Supply Voltage Range: ±1.5V to ±15V
• Input Offset Voltage: 2mV (maximum)
• Input Bias Current: 45nA (maximum)
• Slew Rate: 0.3V/µs (typical)
• Gain Bandwidth Product: 1MHz (typical)
• Output Current: 20mA (maximum)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The LM2904FJ-E2 has a DIP-8 package with the following pin configuration:

___________ VCC | 1 8 | Vout2 Vin+| 2 7 | Vin- Vin-| 3 6 | Vout1 GND | 4_______5 | NC

Functional Features

The LM2904FJ-E2 offers the following functional features:

1. Dual Operational Amplifier: It contains two independent operational amplifiers in a single package, allowing for versatile circuit designs.

2. Low Power Consumption: The LM2904FJ-E2 is designed to operate with low power consumption, making it suitable for battery-powered applications.

3. Wide Supply Voltage Range: It can be powered by a wide range of supply voltages, from ±1.5V to ±15V, providing flexibility in various applications.

4. High Input Impedance: The operational amplifiers have high input impedance, enabling them to interface with different signal sources without loading them significantly.

5. Rail-to-Rail Output Swing Capability: The output voltage swing of the LM2904FJ-E2 extends close to the supply rails, allowing for maximum utilization of the available dynamic range.

Advantages and Disadvantages

Advantages: - Versatile dual operational amplifier - Low power consumption - Wide supply voltage range - High input impedance - Rail-to-rail output swing capability

Disadvantages: - Limited gain bandwidth product (1MHz)

Working Principles

The LM2904FJ-E2 operates based on the principles of operational amplifiers. It amplifies the difference between its two input voltages and provides an output voltage proportional to this difference. The internal circuitry of the LM2904FJ-E2 ensures stability, accuracy, and reliable performance.

Detailed Application Field Plans

The LM2904FJ-E2 finds applications in various fields, including but not limited to:

1. Audio Amplification: It can be used in audio amplifiers to amplify low-level audio signals.

2. Signal Conditioning: The LM2904FJ-E2 can be employed for signal conditioning tasks, such as amplifying weak sensor signals or filtering unwanted noise.

3. Active Filters: It can be utilized in active filter circuits to shape the frequency response of a signal.

4. Voltage Comparators: The LM2904FJ-E2 can function as a voltage comparator, comparing two input voltages and providing a digital output based on the comparison result.

Detailed and Complete Alternative Models

Some alternative models to the LM2904FJ-E2 include:

1. LM358: Dual operational amplifier with similar characteristics and pin configuration.
2. TL072: Dual JFET-input operational amplifier with higher gain bandwidth product.
3. LM324: Quad operational amplifier with similar characteristics but additional amplifiers in a single package.

These alternative models offer different features and specifications, allowing users to choose the most suitable option for their specific application requirements.

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