Analog multiplexers, often called muxes, are essential components for routing multiple input signals to a single output. Selecting the correct analog multiplexer is crucial for ensuring signal integrity, minimizing noise, and achieving the desired performance in your electronic projects or systems. Understanding their key specifications will help you make an informed decision.
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No. 1
DORHEA 12Pcs CD74HC4067 16-Channel Analog Digital Multiplexer MUX Breakout Board Module CD74HC4067 CMOS...
- CD74HC4067 board for the very handy 16-Channel Analog/Digital Multiplexer/Demultiplexer, use the CD74HC4067 16-channel analog signal switch;Analog signal input: C0-C15 16 channels; Analog output: DIG; Channel control: S0-S3
- It works with both digital and analog signals (the voltage can’t be higher than VCC), and the connections function in either direction.If you want two-way communications,you can add a second board to route your microcontroller's TX line to 16 device's...
- The internal switches are bidirectional, support voltages between ground and VCC, have low “on” resistance and low “off” leakage, and to prevent crosstalk, perform “break-before-make” switching. The board also breaks out the chip’s...
- To control it, connect 4 digital outputs to the chip’s address select pins (S0-S3), and send it the binary address of the channel you want. This allows you to connect up to 16 sensors to your system using only 5 pins.
- Since the mux/demux also works with digital signals, you can use it to pipe TTL level serial data to or from multiple devices. For example, you could use it to connect the TX pins of 16 devices to one RX pin on your microcontroller. You can then select...
No. 2
Ximimark 5Pcs 16CH Analog Digital Multiplexer Breakout Board Module CD74HC4067 CMOS Precise Module For Arduino
- This is a breakout board for the very handy 16-Channel Analog/Digital Multiplexer/Demultiplexer CD74HC4067. This chip is like a rotary switch - it internally routes the common pin (COM in the schematic, SIG on the board) to one of 16 channel pins...
- It works with both digital and analog signals (the voltage can’t be higher than VCC), and the connections function in either direction.
- To control it, connect 4 digital outputs to the chip’s address select pins (S0-S3), and send it the binary address of the channel you want. This allows you to connect up to 16 sensors to your system using only 5 pins!
- Since the mux/demux also works with digital signals, you can use it to pipe TTL level serial data to or from multiple devices. For example, you could use it to connect the TX pins of 16 devices to one RX pin on your microcontroller. You can then select...
- The internal switches are bidirectional, support voltages between ground and VCC, have low “on” resistance and low “off” leakage, and to prevent crosstalk, perform “break-before-make” switching. The board also breaks out the chip’s...
No. 3
3 Pcs 74HC4051 8 Channel Analog Multiplexer Selector Module Multiplexers Distributor Resolver
- 3 Pcs 74HC4051 8 Channel Analog Multiplexer Selector Module Multiplexers Distributor Resolver
- Wide Analog Input Voltage Range:+/-5V
- Low "ON" Resistance:80 ohm (typ) at Vcc-Vee=4.5V;70 ohm (typ) at Vcc-Vee=6.0V;60 ohm (typ) at Vcc-Vee=9.0V
- Logic Level Translation:to to enable 5V to communicate with +/-5V analog signals
- Typical "Break Before Make" Built In Output Capacity Non-Standard
No. 4
Bridgold 10pcs 74HC4051 74HC 8-Channel Analog multiplexer, Signal Splitter,16-DIP
- Wide analog input voltage range: ± 5 V
- Logic level translation: to enable 5 V logic to communicate with ± 5 V analog signals
- Output capability: non-standard
- Typical “break before make” built in
- The products have been strictly screened, with stable performance and reliable data output.
No. 5
QCCAN 12PCS CD74HC4067 16-Channel Analog Digital Multiplexer Breakout Board Module 2V-6V
- This is a breakout board for the very handy 16-Channel Analog/Digital Multiplexer/Demultiplexer CD74HC4067.
- Function: Use 16 ADCs to collect 16 analog signals. Use the CD74HC4067 16-channel analog signal switch.
- .Analog Input: C0-C15 16 channels; Analog output: DIG; Channel Control: S0-S3
- This chip is like a rotary switch - it internally routes the common pin (COM in the schematic, SIG on the board) to one of 16 channel pins (CHANxx). It works with both digital and analog signals (the voltage can't be higher than VCC), and the connections...
- A method for controlling the motor, lights, LED, DC motors, micro-pumps, solenoid valves, etc., very convenient.
No. 6
HiLetgo CD74HC4067 CMOS 16 Channel 16 CH Digital Analog Multiplexer Breakout Module for Arduino
- Function: Use 16 ADCs to collect 16 analog signals.
- Use the CD74HC4067 16-channel analog signal switch;Analog signal input: C0-C15 16 channels.
- Analog output: DIG;Channel control: S0-S3
- This is a breakout board for the very handy 16-Channel Analog/Digital Multiplexer/Demultiplexer CD74HC4067.
- This chip is like a rotary switch - it internally routes the common pin (COM in the schematic, SIG on the board) to one of 16 channel pins (CHANxx). It works with both digital and analog signals (the voltage can't be higher than VCC), and the connections...
No. 7
FainWan 5Pcs 16CH Analog Digital Multiplexer Breakout Board Module CD74HC4067 CMOS Precise Module Compatible...
- This is a breakout board for the very handy 16-Channel Analog/Digital Multiplexer/Demultiplexer CD74HC4067. This chip is like a rotary switch - it internally routes the common pin (COM in the schematic, SIG on the board) to one of 16 channel pins...
- It works with both digital and analog signals (the voltage can’t be higher than VCC), and the connections function in either direction.
- To control it, connect 4 digital outputs to the chip’s address select pins (S0-S3), and send it the binary address of the channel you want. This allows you to connect up to 16 sensors to your system using only 5 pins!
- Since the mux/demux also works with digital signals, you can use it to pipe TTL level serial data to or from multiple devices. For example, you could use it to connect the TX pins of 16 devices to one RX pin on your microcontroller. You can then select...
- The internal switches are bidirectional, support voltages between ground and VCC, have low “on” resistance and low “off” leakage, and to prevent crosstalk, perform “break-before-make” switching. The board also breaks out the chip’s...
No. 8
YELUFT 10pcs CD74HC4067 High Speed CMOS 16-Channel Analog Digital Multiplexer Breakout Board Module for...
- How it Works: This is a breakout board for the CD74HC4067, a useful 16-channel analog/digital multiplexer/demultiplexer. The chip is similar to a rotary switch, it internally routes a common pin (COM in the schematic, SIG on the board) to one of the...
- How to Use: Connect the 4 digital outputs to the address select pins (S0-S3) of the chip and send the binary address of the desired channel. This way you can connect up to 16 sensors to your system with only 5 pins
- Bidirectional Communication: If you need bidirectional communication, you can add a second board to connect the TX line of the microcontroller to the RX lines of the 16 devices. By using multiple boards, you can create similar connections for interfaces...
- Signal Type: The analog multiplexer supports digital and analog signals (voltage cannot be higher than VCC), and the connection works properly in both directions. Since the multiplexer/demultiplexer also supports digital signals, you can use it to...
- Switching Method: The internal switches are bidirectional, support voltages between ground and VCC, have low on-resistance and low off-leakage, and use a "break before make" switching method to prevent crosstalk. The board also brings out the chip's...
No. 9
Bridgold 10pcs CD4051 4051 CMOS Analog Multiplexers/Demultiplexers Single 8-Channel with Logic Level...
- Wide Range of Digital Levels：Digital 3V to 20V
- Low ON Resistance, 125Ω (Typ) Over 15VP-P Signal Input Range for VDD-VEE = 18V
- High OFF Resistance, Channel Leakage of ±100pA (Typ) at VDD-VEE = 18V
- Binary Address Decoding on Chip
- 100% Tested for Quiescent Current at 20V
No. 10
DEVMO 2PCS CD74HC4067 16 Channel Analog Digital Multiplexer MUX Breakout Board CD74HC4067 Precise Module...
- ★This is a breakout board for the very handy 16-Channel Analog/Digital Multiplexer/Demultiplexer CD74HC4067.
- ★2V to 6V operation
- ★6ns break-before-make @ 4.5V,"On" resistance: 70 Ohms @ 4.5V
- ★Wide operating temperature range: -55C to 125C
- ★Package Includes: 1PCS 16 Ch. Mulitplexer,2PCS Header Pins as shown above
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How to Choose the Best Analog Multiplexers
Understanding Analog Multiplexer Basics
Analog multiplexers are semiconductor devices that allow a single analog signal path to share multiple input lines. They function like a switch, controlled by digital select lines, to connect one of the input channels to the common output channel. This capability is vital in applications where signal consolidation or signal selection is required, such as data acquisition systems, audio routing, and sensor networks.Key Specifications to Consider
When choosing an analog multiplexer, several technical specifications are paramount. The number of channels determines how many input signals can be routed. On-resistance affects signal loss; lower is better. Off-isolation indicates how well the device blocks signals from unselected channels; higher is better. Bandwidth is critical for high-frequency applications. Also, consider the supply voltage range and the switching speed required for your application.Types of Analog Multiplexers
Analog multiplexers come in various configurations. Common types include 4-channel, 8-channel, and 16-channel devices. They can be designed for single-ended or differential signals. Some multiplexers offer features like break-before-make switching to prevent signal distortion during channel transitions. Understanding the signal type and the complexity of your routing needs will guide your choice between these types.Frequently Asked Questions
What is the primary function of an analog multiplexer?
An analog multiplexer acts as a digitally controlled switch that selects one of several analog input signals and routes it to a single output line. This allows multiple signals to share a common transmission path or processing unit.
What does 'on-resistance' mean for an analog multiplexer?
On-resistance refers to the resistance of the internal switch when it is closed and conducting current. A lower on-resistance is desirable as it minimizes signal loss and voltage drop across the multiplexer.
How does 'off-isolation' impact performance?
Off-isolation measures how effectively the multiplexer prevents signals from unselected channels from leaking through to the output. Higher off-isolation is crucial for preventing crosstalk and maintaining signal purity in complex systems.
What is the difference between break-before-make and make-before-break switching?
Break-before-make switching ensures that the old connection is broken before the new one is made, preventing signal distortion or short circuits during channel transitions. Make-before-break maintains a connection while switching, which can be useful in certain signal routing scenarios.
How do I choose the right number of channels?
The number of channels you need depends directly on how many input signals you intend to route to a single output. Count the total number of distinct analog signals that will share the multiplexer's output.