KA4558

Product Overview

Category: Integrated Circuit (IC)

Use: The KA4558 is a dual operational amplifier IC primarily used in audio applications.

Characteristics: - Low noise - High gain bandwidth product - Wide supply voltage range - Low distortion - High slew rate

Package: The KA4558 is available in various packages, including DIP (Dual Inline Package) and SOP (Small Outline Package).

Essence: The KA4558 is designed to provide high-quality audio amplification with low noise and distortion.

Packaging/Quantity: The KA4558 is typically sold in reels or tubes containing multiple units. The exact quantity depends on the manufacturer and distributor.

Specifications

The specifications of the KA4558 include:

• Supply Voltage Range: ±3V to ±22V
• Input Offset Voltage: 2mV (maximum)
• Input Bias Current: 200nA (maximum)
• Gain Bandwidth Product: 1MHz (typical)
• Slew Rate: 0.5V/µs (typical)
• Total Harmonic Distortion: 0.03% (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The KA4558 has a total of 8 pins, which are numbered as follows:

```

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| | --|1 8 2|-- --|3 7 4|-- |___________| ```

Pin Description: 1. Non-Inverting Input (Op-Amp A) 2. Inverting Input (Op-Amp A) 3. Output (Op-Amp A) 4. VCC+ 5. VCC- 6. Output (Op-Amp B) 7. Inverting Input (Op-Amp B) 8. Non-Inverting Input (Op-Amp B)

Functional Features

The KA4558 offers the following functional features:

• Dual operational amplifier in a single package
• Low noise and distortion for high-quality audio amplification
• Wide supply voltage range allows for versatile applications
• High gain bandwidth product enables accurate signal reproduction
• High slew rate ensures fast response to input signals

Advantages and Disadvantages

Advantages of the KA4558: - Low noise and distortion for high-fidelity audio applications - Versatile supply voltage range accommodates various power sources - Compact package size for space-constrained designs

Disadvantages of the KA4558: - Limited gain bandwidth product compared to some other op-amps - Slightly higher input offset voltage than certain alternatives

Working Principles

The KA4558 operates based on the principles of operational amplifiers. It amplifies the difference between the voltages at its two input terminals, producing an output voltage proportional to this difference. The internal circuitry of the KA4558 is designed to minimize noise and distortion while providing stable amplification.

Application Field Plans

The KA4558 is commonly used in the following audio-related applications:

1. Audio amplifiers
2. Mixers
3. Active filters
4. Tone control circuits
5. Musical instruments

Alternative Models

Some alternative models to the KA4558 include:

1. LM358
2. TL072
3. NE5532
4. NJM4558
5. RC4558

These alternatives offer similar functionality and can be used as replacements for the KA4558 in various audio applications.

In conclusion, the KA4558 is a dual operational amplifier IC widely used in audio applications due to its low noise, high gain bandwidth product, and wide supply voltage range. While it has some limitations, it provides reliable performance and is suitable for a range of audio amplification needs.