RC4558IP

series introduction

# RC4558IP Product Series Introduction

## 1. Overview
The RC4558IP is a highly versatile and widely used integrated circuit (IC) product series that belongs to the category of dual operational amplifiers. Operational amplifiers, often referred to as op - amps, are fundamental building blocks in analog electronics, and the RC4558IP offers a reliable and cost - effective solution for a broad range of applications.

## 2. Key Features

### 2.1 Dual Amplifier Configuration
One of the most significant features of the RC4558IP is its dual amplifier design. This means that a single 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 device, saving board space and reducing component count. For example, in audio applications, one amplifier can be used for pre - amplification, while the other can be used for tone control.

### 2.2 Low Power Consumption
The RC4558IP 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 players or handheld measurement instruments, the low power draw helps to extend the battery life, enhancing the overall usability of the device.

### 2.3 Wide Supply Voltage Range
It can operate over a wide supply voltage range. This flexibility allows the RC4558IP to be used in various power supply environments. Whether it is a low - voltage system powered by a single battery or a higher - voltage industrial application, the op - amp can adapt and function properly. The wide supply voltage range typically spans from a few volts to around ±18V, providing designers with a great deal of freedom in circuit design.

### 2.4 High Gain and Bandwidth
The product series offers high open - loop gain, which is essential for accurate signal amplification. A high gain allows the op - amp to amplify small input signals to a usable output level. Additionally, it has a reasonable bandwidth, enabling it to handle a wide range of frequencies. In audio applications, this high gain and bandwidth combination ensures that the amplifier can reproduce audio signals with high fidelity, from the low - frequency bass notes to the high - frequency treble tones.

### 2.5 Low Input Offset Voltage
The low input offset voltage of the RC4558IP is another important characteristic. Input offset voltage is the voltage that must be applied between the two input terminals to make the output voltage zero. A low offset voltage reduces errors in the amplification process, resulting in more accurate signal reproduction. This is particularly crucial in precision measurement and sensor signal - conditioning applications, where even small errors can lead to significant inaccuracies in the final measurement.

## 3. Package and Pinout
The RC4558IP is typically available in an 8 - pin DIP (Dual In - Line Package) or SOIC (Small Outline Integrated Circuit) package. The 8 - pin configuration provides a standard and easy - to - use interface for circuit designers.

- **Pin 1 and 5**: These are the output pins for the two independent amplifiers respectively. The amplified signals are taken from these pins.
- **Pin 2 and 6**: Input pins for the inverting inputs of the two amplifiers. Signals applied to these pins are inverted at the output.
- **Pin 3 and 7**: Input pins for the non - inverting inputs of the two amplifiers. Signals applied to these pins are amplified without inversion.
- **Pin 4**: Negative power supply pin. It is connected to the negative terminal of the power supply.
- **Pin 8**: Positive power supply pin. It is connected to the positive terminal of the power supply.

Images for reference

8-DIP

8-TSSOP

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Datasheets

• RC4558
• RC4558
• PDF 3

Partlist