RC4558D

series introduction

# RC4558D Product Series Introduction

## 1. Overview
The RC4558D is a highly versatile and widely used dual operational amplifier product series. Operational amplifiers, often referred to as op - amps, are fundamental building blocks in analog circuit design. The RC4558D series offers a combination of excellent performance, reliability, and cost - effectiveness, making it suitable for a broad range of applications in various industries.

## 2. Key Features

### 2.1 Dual Amplifier Configuration
One of the most significant features of the RC4558D is its dual amplifier design. This means that a single integrated circuit (IC) package contains two independent operational amplifiers. This configuration is extremely useful as it allows designers to implement multiple amplification or signal - processing functions within a single chip, saving board space and reducing component count. For example, in a stereo audio amplifier circuit, one op - amp can be used for the left channel and the other for the right channel.

### 2.2 Low Power Consumption
The RC4558D is designed to operate with relatively low power consumption. This makes it an ideal choice for battery - powered devices or applications where power efficiency is a critical concern. In portable audio devices such as headphones amplifiers or small - scale measurement instruments, the low power consumption helps to extend the battery life, providing longer usage time for the end - user.

### 2.3 Wide Supply Voltage Range
It can operate over a wide supply voltage range. This flexibility allows the RC4558D to be used in different power supply environments. Whether it is a low - voltage system powered by a single battery (e.g., 3V) or a higher - voltage system with a dual - supply configuration (e.g., ±15V), the RC4558D can function properly. This wide supply voltage range makes it adaptable to a variety of applications, from consumer electronics to industrial control systems.

### 2.4 High Gain and Bandwidth
The operational amplifiers in the RC4558D series offer high open - loop gain, which is essential for accurate signal amplification. A high gain allows for small input signals to be amplified to a usable level. Additionally, it has a reasonable bandwidth, which determines the range of frequencies over which the amplifier can operate effectively. This makes it suitable for applications involving audio signals, as well as some low - frequency communication and measurement systems.

### 2.5 Low Input Offset Voltage
The input offset voltage of the RC4558D is relatively low. Input offset voltage is the voltage that must be applied between the two input terminals of the op - amp to make the output voltage zero. A low input offset voltage ensures that the amplifier can accurately amplify small input signals without introducing significant errors. This is crucial in precision measurement applications, such as in sensor signal conditioning circuits.

## 3. Package Types
The RC4558D is available in several different package types, which provides flexibility for different circuit board designs and manufacturing processes.

### 3.1 DIP (Dual In - Line Package)
The DIP package is a traditional through - hole package. It has pins that can be inserted into holes on a printed circuit board (PCB) and then soldered. DIP packages are easy to handle during prototyping and are suitable for hobbyist projects or small - scale production where manual soldering is common. They also offer good mechanical stability.

### 3.2 SOIC (Small Outline Integrated Circuit)
The SOIC package is a surface - mount package. It has a smaller footprint compared to the DIP package, which is beneficial for high - density PCB designs. Surface - mount technology (SMT) allows for automated assembly processes, which are more suitable for large - scale production. The SOIC package also has better

Images for reference

8-SOIC

8-TSSOP 8-MSOP

8-MSOP

Datasheets

• RC4558
• RC4558
• PDF 3

Partlist