ADG419TQ

Precision single SPDT analog switches in 8-pin CDIP format

Manufacturer: ['rochester', 'analog-devices']

series introduction

# ADG419TQ Product Series Introduction

## 1. Overview
The ADG419TQ is a high - performance product series that belongs to the realm of analog switches and multiplexers. These components play a crucial role in modern electronic systems, enabling the routing of analog and digital signals with high precision and reliability. The ADG419TQ series is designed to meet the demanding requirements of a wide range of applications, from consumer electronics to industrial control systems.

## 2. Key Features

### 2.1 Low On - Resistance
One of the standout features of the ADG419TQ series is its extremely low on - resistance. This characteristic is vital as it minimizes signal attenuation and power loss when the switch is in the on state. Low on - resistance ensures that the integrity of the transmitted signal is maintained, which is especially important in high - frequency and high - precision applications. For example, in audio systems, it helps to preserve the quality of the audio signal, reducing distortion and noise.

### 2.2 Fast Switching Speed
The ADG419TQ offers fast switching times, allowing for rapid signal routing. This is beneficial in applications where real - time signal processing is required, such as in communication systems. Fast switching enables quick changes in signal paths, facilitating seamless data transfer and efficient operation of the overall system.

### 2.3 Wide Supply Voltage Range
It supports a wide supply voltage range, which provides flexibility in different power supply environments. This feature makes the ADG419TQ suitable for use in a variety of electronic devices, whether they are powered by batteries (low - voltage applications) or by a standard power grid (higher - voltage applications). The ability to operate over a wide voltage range also enhances the compatibility of the product with different circuit designs.

### 2.4 Low Leakage Current
The series exhibits low leakage current when the switch is in the off state. Low leakage current is essential for preventing unwanted signal interference and power consumption. In battery - powered devices, it helps to extend the battery life by reducing the standby power consumption. Additionally, in high - impedance circuits, it ensures that the off - state isolation is maintained, preventing any cross - talk between different signal paths.

### 2.5 ESD Protection
The ADG419TQ is equipped with electrostatic discharge (ESD) protection. ESD can cause significant damage to electronic components, leading to malfunctions or even permanent failure. The built - in ESD protection safeguards the device from static electricity, increasing its reliability and durability in real - world operating conditions.

## 3. Package and Pin Configuration
The ADG419TQ is available in a compact and industry - standard package. The package design not only saves board space but also facilitates easy integration into existing circuit layouts. The pin configuration is carefully designed to provide clear and accessible connections for power supply, control signals, and signal input/output. This makes the installation and wiring process straightforward, reducing the complexity of circuit design and assembly.

## 4. Applications

### 4.1 Consumer Electronics
In consumer electronics, the ADG419TQ can be used in audio and video equipment. For example, in a home theater system, it can be employed to switch between different audio sources, such as a DVD player, a gaming console, and a streaming device. Its low on - resistance and fast switching speed ensure high - quality audio signal routing, providing an immersive entertainment experience for the users.

### 4.2 Industrial Automation
In industrial automation systems, the ADG419TQ is useful for signal routing in control circuits. It can be used to switch between different sensors or actuators, allowing for efficient monitoring and control of industrial processes. The wide supply voltage range and ESD protection make it suitable for the harsh industrial

Images for reference

8-CDIP Pkg

8-CDIP Pkg

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Datasheets

Partlist

ADG419TQ