KA358A

Product Overview

Category: Integrated Circuit (IC)

Use: The KA358A is a dual operational amplifier that is widely used in various electronic circuits for amplification, filtering, and signal conditioning purposes.

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

Package: The KA358A is available in a standard 8-pin DIP (Dual Inline Package) or SOIC (Small Outline Integrated Circuit) package.

Essence: The KA358A is an essential component in many audio and instrumentation applications due to its versatile characteristics and reliable performance.

Packaging/Quantity: The KA358A is typically sold in reels or tubes containing multiple units. The exact quantity depends on the manufacturer and distributor.

Specifications

• Supply Voltage Range: ±3V to ±18V
• Input Offset Voltage: 2mV (maximum)
• Input Bias Current: 20nA (maximum)
• Gain Bandwidth Product: 1MHz (typical)
• Slew Rate: 0.5V/µs (typical)
• Common Mode Rejection Ratio: 70dB (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The KA358A has a standard 8-pin configuration as follows:

___________ V+ | 1 8 | V- IN-| 2 7 | OUT2 IN+| 3 6 | OUT1 NC | 4 5 | NC ¯¯¯¯¯¯¯¯¯¯¯

Functional Features

• Dual operational amplifier with high gain and low noise characteristics.
• Wide supply voltage range allows for flexibility in various circuit designs.
• Low input bias current minimizes the impact on signal integrity.
• High slew rate enables fast response to input voltage changes.
• Excellent common mode rejection ratio ensures accurate signal amplification.

Advantages and Disadvantages

Advantages: - Versatile and widely used in various electronic circuits. - Reliable performance with low noise and distortion. - Suitable for audio and instrumentation applications. - Wide supply voltage range allows for compatibility with different power sources.

Disadvantages: - Limited gain bandwidth product compared to some other operational amplifiers. - Not suitable for high-frequency applications.

Working Principles

The KA358A is based on a differential amplifier configuration, which amplifies the voltage difference between its two input terminals. It utilizes internal transistors and resistors to achieve amplification and signal conditioning. The output voltage is proportional to the difference between the voltages applied to the inputs.

Detailed Application Field Plans

The KA358A finds extensive use in various applications, including: 1. Audio amplifiers 2. Active filters 3. Signal conditioners 4. Instrumentation amplifiers 5. Voltage regulators 6. Oscillators 7. Waveform generators

Detailed and Complete Alternative Models

Some alternative models that can be considered as replacements for the KA358A are: - LM358 - TL072 - NE5532 - OP07

These alternatives offer similar functionality and characteristics, providing flexibility in circuit design choices.

In conclusion, the KA358A is a versatile dual operational amplifier widely used in audio and instrumentation applications. Its low noise, wide supply voltage range, and reliable performance make it an essential component in many electronic circuits. While it may have limitations in terms of gain bandwidth product and high-frequency applications, there are several alternative models available that can fulfill specific requirements.