
Component
CD4051 Analog Multiplexer
The CD4051 is a single 8-channel analog multiplexer/demultiplexer IC that allows you to route one of eight analog signals to a single common terminal. It is ideal for expanding the number of analog inputs on microcontrollers like Arduino.
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About CD4051 Analog Multiplexer
The CD4051 is a digitally-controlled analog multiplexer and demultiplexer IC. It features eight independent input/output channels and one common channel, allowing you to select one of the eight inputs using three binary control pins (A, B, C). This component is widely used to expand the analog input capabilities of microcontrollers, allowing a single ADC pin to read from multiple sensors. It operates over a wide voltage range, making it compatible with both 3.3V and 5V logic systems. Key features include low ON resistance, wide analog signal range, and low power consumption. It is commonly used in data acquisition systems, audio signal routing, and automated test equipment. Choose this component for reliable signal routing in your DIY electronics projects and prototypes.
Technical Specifications
| Type | Single 8-Channel Analog Multiplexer/Demultiplexer |
|---|---|
| Supply Voltage (Digital) | 3V to 20V |
| Analog Signal Range | Up to 20V Peak-to-Peak |
| Number of Channels | 8 |
| Control Inputs | 3 (A, B, C) + 1 Inhibit |
| Package Type | DIP-16 (Dual In-line Package) |
| ON Resistance | Typically 80 Ohms (at 15V) |
| OFF Leakage Current | Very Low |
| Operating Temperature | -55°C to 125°C |
| Logic Family | CMOS |
Component Datasheet
Download the official datasheet for CD4051 Analog Multiplexer
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