CD4066BNSR
Quad CMOS analog bilateral switches in 14-pin SOP format
Manufacturer： ti
series introduction
# CD4066BNSR Product Series Introduction
## 1. Overview
The CD4066BNSR is a highly versatile and widely used integrated circuit (IC) product series that belongs to the family of analog switches. These analog switches are designed to provide efficient and reliable signal routing solutions in a variety of electronic applications. The "CD4066" represents the basic part number, while "BNSR" indicates the specific package type and other associated characteristics.
## 2. Key Features
### 2.1 Low On - Resistance
One of the most significant features of the CD4066BNSR is its low on - resistance. When the switch is in the "on" state, it offers a very low resistance path for the analog or digital signals passing through it. This low on - resistance minimizes signal attenuation and distortion, ensuring that the integrity of the input signal is maintained as it is routed to the output. For example, in audio applications, it helps in delivering high - fidelity sound without significant loss of quality.
### 2.2 High Off - Isolation
In the "off" state, the CD4066BNSR provides excellent isolation between the input and output terminals. This high off - isolation prevents unwanted signal leakage, which is crucial in applications where multiple signals need to be separated. For instance, in a multi - channel audio mixer, it ensures that there is no crosstalk between different audio channels, resulting in a clean and clear audio output.
### 2.3 Wide Supply Voltage Range
The product series can operate over a wide supply voltage range. This flexibility allows it to be used in various power supply environments, from low - voltage battery - powered devices to higher - voltage industrial applications. The ability to work with different supply voltages makes it a suitable choice for a diverse range of electronic systems.
### 2.4 Compatibility with Digital Control Signals
The CD4066BNSR can be easily controlled using digital signals. Each switch within the IC has a control input that can be driven by standard digital logic levels. This makes it straightforward to interface with microcontrollers, digital signal processors (DSPs), and other digital control circuits. For example, in a microcontroller - based data acquisition system, the microcontroller can easily control the switching operations of the CD4066BNSR to select different input signals.
### 2.5 Four Independent Switches
The CD4066BNSR typically contains four independent analog switches within a single package. This multi - switch configuration provides designers with the flexibility to route multiple signals simultaneously or to create complex signal routing networks. It reduces the need for multiple single - switch components, saving board space and simplifying the overall circuit design.
## 3. Package and Pinout
### 3.1 Package Type
The "BNSR" in the part number indicates the specific package type. It is usually available in a small - outline integrated circuit (SOIC) package. The SOIC package is a popular choice in the electronics industry due to its compact size, which is suitable for applications where space is limited, such as in portable devices. It also offers good thermal performance and ease of soldering during the manufacturing process.
### 3.2 Pinout
The pinout of the CD4066BNSR is designed to provide easy access to the various functions of the four independent switches. Each switch has an input terminal, an output terminal, and a control terminal. Additionally, there are power supply pins for connecting the positive and negative supply voltages. The clear and well - defined pinout simplifies the circuit design process and ensures that the IC can be easily integrated into existing electronic systems.
## 4. Applications
### 4.1 Audio and Video Signal Routing
In audio and video equipment, the CD4066BNSR is used for signal
Images for reference
14-SOIC
CD4066BNSR
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