Multiplexers are advanced electronic components that are found in both digital (now more common) and analog (slightly less common) versions. Due to its mode of operation, it can be said that the multiplexer is a combination circuit used to select one of several available input signals. After selection, the signal is transferred to the device output. The multiplexer is a commutation (switching) system. Thanks to the use of such a device in the electronic system, the number of inputs can be easily increased (e.g. to a microprocessor). The multiplexer has the infrastructure to handle a plurality of connected signal generators (e.g. sensors) with a single control signal which will eventually cause the device to return a single output.
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Products: 13
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Index: UCC-00388
TCA9548A - module with multiplexer I2C - Adafruit 2717
Module with a multiplexer TCA9548A allows you to connect 8 different digital I2C interface to one interface. Working voltage from 3 V to 5 V, the address of the output I2C bus...
Index: ADA-04915
Index: ADA-04915
IO expander - 4 channel - with I2C multiplexer - PCA9546 - STEMMA QT / Qwiic - Adafruit 5664
Module with a multiplexer manufactured by Adafruit and equipped with the PCA9546 chip, which is a replacement for the popular TCA9548A chip. The module allows you to connect...
Index: ADA-22545
Index: ADA-22545
DFRobot Gravity: digital I2C multiplexer - 8-channel
Module with multiplexer that allows you to connect 8 different digital I2C buses to one interface, for each, there are separate pins SDA (bus of data line) and SCL (clock line...
Index: DFR-12628
Index: DFR-12628
Module with analog-digital multiplexer 74HC4051 - SparkFun BOB-13906
Module with 8-channel multiplexer CD74HC4051 allows you to connect up to 8 signals to a single analog output. The system can work as a demultiplexer and work with digital...
Index: SPF-07192
Index: SPF-07192
Analog multiplexer / demultiplexer 4052 - THT - 5pcs
4-channel analog multiplexer/demultiplexer in the DIL-16(DIP) case. Set of 5 pcs chips.
Index: UCC-00387
Index: UCC-00387
Module with analog-digital multiplexer 74HC4067 - SparkFun BOB-09056
Module with 16 channel CD74HC4067 multiplexer allows you to connect up to 16 signals to a single analog output. The system can work as a demultiplexer and work with digital...
Index: SPF-01630
Index: SPF-01630
Lead expander - 4-channel - with I2C multiplexer - PCA9546 - Adafruit 5663
A multiplexer manufactured by Adafruit and equipped with the PCA9546 chip, which is a replacement for the popular TCA9548A chip. The module allows you to connect up to 4...
Index: ADA-22544
Index: ADA-22544
Qwiic Mux Breakout - 8-channel module with multiplexer I2C - TCA9548A - SparkFun BOB-16784
Module with a multiplexerem TCA9548A, allows you to connect 8 different digital I2C interfaces to one interface. Works with a supply voltage from 1.65 V to 5.5 V. The address...
Index: SPF-12723
Index: SPF-12723
Qwiic Mux - 4-channel module with I2C multiplexer - PCA9846 - SparkFun SPX-22362
Qwiic Mux, a 4-channel module with an I2C multiplexer from SparkFun. The module enables communication with many I2C peripherals that have the same bus address, and also has...
Index: SPF-23840
Index: SPF-23840
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MicroUSB power connector with FPF1320 multiplexer - Pololu 2594
Board with microUSB connector works as a power supply multiplexer. System FPF1320 allows you to choose which of the two sources will be connected to the target system. The...
Index: PLL-02140
Index: PLL-02140
MicroUSB power connector with TPS2113A multiplexer - Pololu 2596
Board with a microUSB connector, which works as a power supply multiplexer. TPS2113A system automatically switches the source and blocks reverse current. It has an adjustable...
Index: PLL-02525
Index: PLL-02525
Lead expander - 8-channel - with I2C multiplexer - PCA9548 - STEMMA QT / Qwiic - Adafruit 5626
Module with a multiplexer equipped with the PCA9548 chip, which is a replacement for the popular TCA9548A chip. It allows you to connect up to 8 separate I2C digital buses...
Index: ADA-22391
Index: ADA-22391
See also
Multiplexer (address inputs, control input and one output.
The multiplexer works like a switch - it has several or even several dozen signal inputs, address inputs and a single control input and one output. Regardless of the type of device, the connection diagram is very similar - it differs mainly in the layout and number of inputs. Each multiplexer of this type has one control input (e.g. for transmitting input data) , an output (here the return signal will appear), pins for connecting signal generators (e.g. sensors), address inputs and control lines. A multiplexer is a switching circuit that is designed to return the signal value of one of the information inputs, the index of which was determined by the control input. The information input can, for example, receive signals indicating the so-called low state.
Multiplexers with address inputs - what else is worth knowing about them?
Multiplexers can also function as demultiplexers . This means that you can connect as many signals to one input as the device has specific channels (multiplexer - combination circuit), or you can output as many signals from only one pin (demultiplexer). It is worth remembering that devices of this type operate after connecting current with specific parameters, and the output signal parameters cannot exceed them. The input number is passed to the address lines, and the strobe input is also called clock input. Additionally, you should know that the output y has information about the state of the data input.
What do we offer in this category?
We offer several types of analog multiplexers and many digital models. Analog devices are available in both SMD and THT mounting versions - the price of such devices is lower than the offered analog multiplexers. Digital multiplexers are mostly modules with ready-made pins in the form of solder pads, prepared, for example, for soldering goldpins. The devices can also be used to work with digital signals (for example with the I2C or SPI interface). We have multiplexers - including 2-bit, 4-bit and 8-bit. One of the 8-channel devices has an output I2C bus that allows changing the address, which in turn allows you to connect up to 64 I2C devices. In this category, we offer a wide range of multiplexers with address outputs (the input data sent).
Multiplexers - FAQ
Multiplexers allow you to connect several elements providing an input signal to one system or device (for example , an A/D converter ).
The method of connecting the multiplexer depends on the connected systems and devices. For example, multiplexers that allow you to connect more devices to a computer (e.g. cash registers) are most often connected with RJ45 cables .