LM1458N

Product Overview

Category: Integrated Circuit (IC)

Use: The LM1458N is a dual operational amplifier that is widely used in various electronic circuits for amplification and signal processing purposes.

Characteristics: - Dual operational amplifier - High gain bandwidth product - Low input offset voltage - Wide supply voltage range - Low power consumption

Package: DIP (Dual In-line Package)

Essence: The LM1458N is an essential component in electronic devices where amplification and signal conditioning are required.

Packaging/Quantity: The LM1458N is typically packaged in tubes or trays, with quantities ranging from 25 to 1000 units per package.

Specifications

• Supply Voltage Range: ±3V to ±18V
• Input Offset Voltage: 2mV (maximum)
• Gain Bandwidth Product: 1MHz (typical)
• Input Bias Current: 500nA (maximum)
• Slew Rate: 0.5V/µs (typical)
• Output Current: 20mA (maximum)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The LM1458N has a total of 8 pins, which are assigned specific functions as follows:

1. Non-Inverting Input (Op-Amp 1)
2. Inverting Input (Op-Amp 1)
3. Negative Power Supply (V-)
4. Output (Op-Amp 1)
5. Positive Power Supply (V+)
6. Output (Op-Amp 2)
7. Inverting Input (Op-Amp 2)
8. Non-Inverting Input (Op-Amp 2)

Functional Features

• High voltage gain
• Low input offset voltage
• Wide bandwidth
• Low noise
• High output current capability
• Short-circuit protection

Advantages and Disadvantages

Advantages: - Versatile and widely used in various applications - High gain bandwidth product allows for accurate amplification - Low input offset voltage ensures precise signal processing - Wide supply voltage range enables flexibility in power supply selection - Low power consumption contributes to energy efficiency

Disadvantages: - Limited output current compared to some other operational amplifiers - Relatively higher input bias current may affect certain precision applications

Working Principles

The LM1458N operates based on the principles of operational amplifiers. It amplifies the difference between the voltages applied to its inputs, providing a high gain output signal. The internal circuitry of the LM1458N is designed to minimize noise and distortion while maintaining stability and accuracy.

Detailed Application Field Plans

The LM1458N finds extensive use in various electronic applications, including but not limited to: 1. Audio amplifiers 2. Active filters 3. Instrumentation amplifiers 4. Voltage regulators 5. Signal generators 6. Oscillators 7. Power supplies 8. Data acquisition systems

Detailed and Complete Alternative Models

Some alternative models that can be considered as replacements or substitutes for the LM1458N include: - LM358 - TL072 - NE5532 - OP07 - AD822

These alternatives offer similar functionality and characteristics, allowing for flexibility in design choices.

In conclusion, the LM1458N is a dual operational amplifier with versatile applications in various electronic circuits. Its high gain, low input offset voltage, and wide supply voltage range make it suitable for amplification and signal processing tasks. While it has limitations in terms of output current and input bias current, there are alternative models available to suit specific requirements.