LM2904EDR2G

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: SOIC-8

Essence: The LM2904EDR2G is a dual operational amplifier that offers low power consumption and high performance. It is commonly used in various electronic applications.

Packaging/Quantity: The LM2904EDR2G is typically sold in reels or tubes, with a quantity of 2500 units per reel or tube.

Specifications

The LM2904EDR2G has the following specifications:

• Supply Voltage Range: 3V to 32V
• Input Offset Voltage: ±2mV
• Input Bias Current: ±45nA
• Input Offset Current: ±5nA
• Gain Bandwidth Product: 1MHz
• Slew Rate: 0.6V/µs
• Common Mode Rejection Ratio: 70dB
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The LM2904EDR2G has a standard pin configuration for a dual operational amplifier in an SOIC-8 package. The pinout is as follows:

```

---

| | -| IN- VCC |-+ -| IN+ OUT |- -| VEE NC |- -| OUT IN- |- -| NC IN+ |- -| NC VEE |- -|___________| ```

Functional Features

The LM2904EDR2G offers the following functional features:

• Low power consumption makes it suitable for battery-powered applications.
• Wide supply voltage range allows for flexibility in various power supply configurations.
• High input impedance minimizes loading effects on the signal source.
• Rail-to-rail output swing capability enables maximum utilization of the available supply voltage.

Advantages and Disadvantages

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

Disadvantages: - Relatively low gain bandwidth product compared to some other operational amplifiers - Limited slew rate may not be suitable for high-speed applications

Working Principles

The LM2904EDR2G is based on a differential amplifier configuration, which amplifies the difference between the two input voltages. It utilizes internal transistors and resistors to achieve the desired amplification and signal processing characteristics.

Detailed Application Field Plans

The LM2904EDR2G can be used in various applications, including but not limited to:

1. Audio Amplification: The low power consumption and rail-to-rail output swing capability make it suitable for audio amplification circuits in portable devices.
2. Sensor Signal Conditioning: The high input impedance and wide supply voltage range allow for accurate and flexible conditioning of sensor signals in industrial applications.
3. Active Filters: The LM2904EDR2G can be used in active filter circuits to shape and process analog signals in communication systems.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the LM2904EDR2G are:

1. LM358: Dual operational amplifier with similar specifications and pin configuration.
2. TL072: Dual JFET-input operational amplifier with higher gain bandwidth product and faster slew rate.
3. MCP6002: Dual operational amplifier with low power consumption and rail-to-rail input/output capabilities.

These alternative models can be considered depending on specific application requirements and design constraints.

In conclusion, the LM2904EDR2G is a dual operational amplifier that offers low power consumption, high performance, and flexibility in various electronic applications. Its wide supply voltage range, high input impedance, and rail-to-rail output swing capability make it suitable for a wide range of designs.