LM1558H/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: The LM1558H/NOPB 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: The LM1558H/NOPB is available in a standard 8-pin plastic dual in-line package (DIP).

Essence: This IC is an essential component in audio amplifiers, active filters, oscillators, and other applications where amplification and signal conditioning are required.

Packaging/Quantity: The LM1558H/NOPB is typically sold in reels or tubes containing a specified quantity of ICs, usually ranging from 25 to 1000 units per package.

Specifications

• Supply Voltage Range: ±2V to ±18V
• Input Offset Voltage: 1.5mV (maximum)
• Gain Bandwidth Product: 1MHz (typical)
• Input Bias Current: 30nA (maximum)
• Output Short-Circuit Current: 40mA (maximum)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The LM1558H/NOPB has the following pin configuration:

```

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| | --| V+ V- |-- --| IN+ IN- |-- --| OUT1 OUT2 |-- --| NC NC |-- |___________| ```

Functional Features

• Dual operational amplifier with independent inputs and outputs.
• High gain bandwidth product allows for accurate amplification of signals up to 1MHz.
• Low input offset voltage ensures minimal distortion in amplified signals.
• Wide supply voltage range enables operation in various power supply configurations.
• Low power consumption makes it suitable for battery-powered applications.

Advantages and Disadvantages

Advantages: - High gain bandwidth product for accurate signal amplification. - Low input offset voltage minimizes distortion. - Wide supply voltage range allows for versatile use. - Low power consumption extends battery life in portable devices.

Disadvantages: - Limited output current capability compared to specialized amplifiers. - Not suitable for high-frequency applications above 1MHz.

Working Principles

The LM1558H/NOPB operates based on the principles of operational amplifiers. It amplifies the difference between its two input terminals and produces an output voltage proportional to this difference. The amplifier's gain, bandwidth, and other characteristics are determined by the internal circuitry and external components connected to it.

Detailed Application Field Plans

The LM1558H/NOPB finds extensive application in the following fields:

1. Audio Amplifiers: Used to amplify audio signals in stereo systems, musical instruments, and public address systems.
2. Active Filters: Employed to shape frequency response in audio and communication circuits.
3. Oscillators: Utilized to generate stable oscillations in electronic circuits.
4. Signal Conditioning: Applied to modify and process signals in instrumentation and control systems.

Detailed and Complete Alternative Models

Some alternative models that can be used as substitutes for the LM1558H/NOPB include:

1. LM358: A single operational amplifier with similar characteristics.
2. TL072: A dual operational amplifier with higher gain bandwidth product.
3. NE5532: A dual operational amplifier with low noise characteristics.

These alternatives offer similar functionality and can be chosen based on specific requirements and availability.

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