LM2904N

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Operational Amplifier
• Characteristics:
  • Low power consumption
  • Wide supply voltage range
  • High input impedance
  • Low input offset voltage
• Package: DIP-8 (Dual Inline Package with 8 pins)
• Essence: Dual Operational Amplifier
• Packaging/Quantity: Tube packaging, 50 pieces per tube

Specifications

• Supply Voltage Range: ±1.5V to ±15V
• Input Offset Voltage: 2mV (maximum)
• Input Bias Current: 45nA (maximum)
• Input Offset Current: 2nA (maximum)
• Gain Bandwidth Product: 1MHz (typical)
• Slew Rate: 0.3V/µs (typical)
• Common Mode Rejection Ratio: 70dB (typical)
• Operating Temperature Range: -40°C to +105°C

Detailed Pin Configuration

The LM2904N has a total of 8 pins arranged as follows:

___________ | | 1 | OUT1 | 8 2 | IN-1 | 7 3 | IN+1 | 6 4 | VCC+ | 5 |___________|

Functional Features

• Dual operational amplifier in a single package
• Low power consumption makes it suitable for battery-powered applications
• Wide supply voltage range allows for flexibility in various circuits
• High input impedance minimizes loading effects on the signal source
• Low input offset voltage ensures accurate amplification

Advantages and Disadvantages

Advantages

• Low power consumption extends battery life in portable devices
• Wide supply voltage range enables compatibility with different power sources
• High input impedance reduces signal distortion and improves accuracy
• Low input offset voltage ensures precise amplification

Disadvantages

• Limited gain bandwidth product compared to some other operational amplifiers
• Relatively low slew rate may limit its use in high-frequency applications

Working Principles

The LM2904N is a dual operational amplifier that amplifies the difference between its two input terminals. It operates by using an internal feedback mechanism to maintain a stable output voltage. The input signals are amplified and then fed back to the inverting and non-inverting inputs, which helps regulate the output.

Detailed Application Field Plans

The LM2904N is commonly used in various applications, including: 1. Audio amplification circuits 2. Signal conditioning circuits 3. Voltage and current measurement circuits 4. Active filters 5. Oscillators 6. Comparators

Detailed and Complete Alternative Models

Some alternative models to the LM2904N include: - LM358 - TL072 - NE5532 - OP07 - LM324

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

In conclusion, the LM2904N is a dual operational amplifier with low power consumption, wide supply voltage range, and high input impedance. It is commonly used in audio amplification, signal conditioning, and measurement circuits. While it has limitations in terms of gain bandwidth and slew rate, it offers advantages such as low input offset voltage and extended battery life. Alternative models like LM358, TL072, and NE5532 provide similar features and can be considered based on specific needs.