We recommend that, if you download and use this document, you subscribe to email notifications for either the entire forum. And, by the way, this difference seems to be true also for nonti products. Vishay analog switches and multiplexers provide benchmark performance in a broad array of end products. Interface analog switches, multiplexers, demultiplexersintegrated circuits ics products for sale.
The new enhanced products, designed on a proven highdensity 18 v bcd process, offer an upgrade path for customers using vishays current. Sts portfolio of switches include analog, data signal switches, power load switches, highvoltage pulser ics for applications such as audio, usb, video, lvds, pcie and ultrasound imaging. This analog multiplexer and demultiplexer controls. Sts analog switch portfolio ranges from spdt switches to larger octal spdt or quad dpdt switches, featuring low onresistances, integrated 15 kv protection diodes and negative charge pump, and with a bandwidth meeting audio or usb requirements. Control is performed directly through the i 2 c smbus, so theres no need for an. People build extremely high performance radios using digital bus switches as commutating rf mixers. The max40203 is an ideal diode currentswitch with forward voltage drop that is approximately an order of magnitude smaller than that of schottky diodes. Faq frequently asked questions about signal switches and. Kynix will provide you the global and original interface analog switches, multiplexers, demultiplexerss stock information, reference price, package lot no. Discussions and faqs on analog devices switches and multiplexers. All products electronic switches switches multiplexers analog switch multiplexers. Switches and multiplexers portfolio analog devices offers a large range of switches and multiplexers covering single to multiple switch elements, with various signal ranges, and in a variety of packages to best suit customer application needs. Select inputs determine which one of the analog inputsoutputs is to be connected, by means of an analog switch, to the common outputinput. Attached and linked are files supporting the development of systems using the adn4605, 4.
As an example in the telephone industry, a number of phone calls can be carried on a single wire. An analog muxdemux is basically a collection of n analog switches where one end of all of the switches is connected to a common point. These early cmos switches and multiplexers were typically designed to handle signal levels up to 10 v while operating on 15v supplies. I personaly specilize in analog applications and have familiarity with our passive usb 2. Mc74hc4051a, mc74hc4052a, mc74hc4053a analog multiplexers. This note discusses the effects on switches when used to connect loads.
Analog switch multiplexers multiplexer or mux are devices whose function is to select one of several analog input signals and then forward the selected input to a single line output. The multiplexer used for digital applications, also called digital multiplexer, is a circuit with many input but only one output. Max40203 ultratiny nanopower, 1a ideal diodes with ultra. Multiplexers are mainly used to increase the bandwidth of the signals over a network or connection, in short allowing multiple devices or sources to share. Interface analog switches, multiplexers, demultiplexers 8587 items interface analog switches, multiplexers, demultiplexers in electronics, a multiplexer or mux is a device that selects one of several analog or digital input signals and forwards the selected input into a single line.
Vishay offers analog switches in all major configuration types spst, spdt, dpst, dpdt and in nearly 20 surfacemount and through. Compare and select from tis robust portfolio of analog switches and muxes that features wide voltage ranges, fast data throughput and low onresistance. Analog devices offers a large range of switches and multiplexers, covering single to multiple switch elements with various signal ranges, in a variety of packages. Max4617max4618 max4619 highspeed, lowvoltage, cmos analog. These i 2 c multiplexersswitches work with i 2 c interfaces for applications such as. Each multiplexer has separate control inputs to allow independent switching, making the device ideal for multiplexing different communications signals with the same connector pins. Our vast portfolio of i 2 c logic products includes a selection of multiplexers and switches for connecting an upstream i 2 cbus to any combination of downstream i 2 c buses multiplexers muxes and switches fan the input i 2 c smbus signals to two, four, or eight downstream channels of scxsdx pairs. Applications include data acquisition, industrial process control, test and measurment, and medical systems as well as signal switching in cell phones,settop. In actuality, in many cases you can use some types of digital multiplexor as an analog one, too. This means that the switches do not have their body terminal tied to any one terminal, which means the drain and source terminal are interchangeable deeding on where you are applying. On the other hand, the products marked as analog switches do not mention propagation delays at all.
Maxim design support technical documents tutorials. General description the adg508f, adg509f and adg528f are cmos analog multiplexers, the adg508f and adg528f comprising 8 single channels and the adg509f comprising four differential channels. Precision data acquisition gpio expansion and diagnostics system communication and bus isolation. Solidstate analog switches and multiplexers have become an essential component in the design of electronic systems which require the ability to control and select a specified transmission path for an analog signal. The adg5408 and adg5409 are monolithic cmos analog multiplexers comprising eight single channels and four differential channels, respectively. Maxim design support technical documents application notes analog switches and multiplexers app 5299 keywords.
The switch features four digital select inputs s0, s1, s2 and s3, sixteen independent inputsoutputs yn, a common inputoutput z and a digital. Ultrasound analog multiplexersswitches products microchip. Cmos, analog switch, mux, multiplexers, onresistance, ron flatness, thd, charge injection, offisolation, esd protection, faultprotection. The prices are representative and do not reflect final pricing. Yes, all analog and digital bus switches are bidirectional. It includes various functions such as phase locked loops plls, digital comparators, printer interfaces, and more. Products include multichannel data acquisition systems, process control and automation, instrumentation, video systems, healthcare and portable consumer electronics. In figure 1, ron of the input selector switch adds to r1, reducing gain and allowing gain to change with temperature. When analog switches are used either to select an op amp input, or to change op amp gain, minor circuit rearrangements can frequently enhance accuracy. Selecting the right cmos analog switch application note. You can probably use an analog multiplexer as a digital one. The multiplexer routes one of its data inputs d0 or d1 to the output q. The switch has low on resistance and low off leakages. Switches and multiplexers portfolio analog devices.
Satisfy all of your system requirements with our broad range of voltage, configuration, and package options to support precision measurements, power sequencing, and i2c, spi, jtag and generalpurpose signals. Pdf this paper introduces a high precision analog multiplexer to be used. Scillc makes no warranty, representation or guarantee regarding. Analog devices offers a comprehensive portfolio of switches and multiplexers covering single to multiple switch elements with various signal ranges in a variety of packages to best suit customer application needs. Guarantees that two multiplexer paths are never electrically connected when the signal path is changed by the select input. Switches and multiplexers power load and analog switches stmicroelectronics. Difference between multiplexerdemultiplexer and analog switch. We might have exactly what you are looking for in our specialty logic range. Adg520xadg54xx switches and multiplexers adi digikey. Adi switches and multiplexers are used in a wide and growing range of applications. Pdf a high precision analog multiplexer for multichannel neural. Analog devices switches can be classified into families when choosing based on supply voltage.
Please read the engineerzone code of conduct before posting. Select and enable inputs are compatible with standard cmos outputs. The adg5408 switches one of eight inputs to a common output, as determined by the 3bit binary address lines, a0, a1, and a2. Switches multiplexers demultiplexers filling the requirements of specialpurpose applications need something a bit special for your design. June 23, 2003 basic circuit design and multiplexers 11 a 2to1 multiplexer here is the circuit analog of that printer switch. Contact your local microchip sales representative or distributor for volume and or discount pricing. Analog switches 1,179 crosspoint switches 27 switches multiplexers demultiplexers 3 video. Choosing the correct switch or multiplexer for your application pdf. On semiconductor supplies analog switches that function as analog multiplexers and demultiplexers, for audio, data, and signals. Request pdf analog switches and multiplexers this chapter discusses analog switches and multiplexers. It includes selection criteria, parameter definitions, handling and design precautions and interfacing. Switches and multiplexers power load and analog switches. Selecting the right cmos analog switch maxim integrated.
Analog switch multiplexers parts by avnet asia pacific. Switches and multiplexers breakbeforemake timing considerations switches and multiplexes support community the adg5248f offers 55v overvoltage protection. Intersil provides a complete line of cmos analog switches including replacements for most of the available cmos competition. Some digital logic is used to decode the selection inputs and make sure that only one of the n analog switches is closed at any given time. For analog application, multiplexer are built of relays and transistor switches. Idts analog switches provide an onresistance of 5 ohms bandwidth 3 db point. Basic circuit design and multiplexers howard huang. The new enhanced products, designed on a proven highdensity 18 v. Max40203 ultratiny nanopower, 1a ideal diodes with ultralow.
You will view the photos of products from stock suppliers. Find great pricing and vast inventory for analog switch multiplexers on. Analog switches and multiplexers these devices are used for switching and multiplexing analog and digital signals up to 500 ma in applications such as. Find datasheets, pricing, and inventory for the available products below. They come in tiny packages, making them perfectly suited for portable applications, and can also. Interface analog switches, multiplexers, demultiplexers multiplexer switch ics analog multiplexers demul. In analog circuit design, a multiplexer is a special type of analog switch that connects one signal selected from several inputs to a single output.
In addition, the device has an enable control that, when high, disables all switches to their off state. We recommend that, if you download and use this document, you subscribe to email notifications for either the entire forum or at least this faq by clicking on the menu to the right. Cmos analog multiplexers and switches, applications. Scillc reserves the right to make changes without further notice to any products herein. Mar 19, 2017 learn about using analog multiplexers for adding more analog inputs to your microcontroller project. December 1990 3 philips semiconductors product speci. Analog switches and multiplexers mouser electronics. Mc74hc4316a quad analog switchmultiplexerdemultiplexer. Offer nlv14053bdtr2g on semiconductor from kynix semiconductor hong kong limited. Integrated circuits ics interface analog switches, multiplexers, demultiplexers are in stock at digikey.
Adi switches and multiplexers are used in a wide and growing range of applications from. Maxim design support technical documents tutorials analog switches and multiplexers app 764 keywords. Adi switches and multiplexers are used in a wide and growing range of applications from industrial and instrumentation to medical, consu. Multiplexer the basic idea of multiplexing is to transmit two or more analog messages or digital signals concurrently over a single communication channel, thus sharing what might be an expensive resource. About multiplexers and demultiplexers an analog multiplexer also known as a mux or data selector is a device used to select one of many input signals and connect that selected input to a single output transmission line. If the bus locks up or communication with the master is interrupted, the reset pin can be used to reset the downstream channels to their default values not selected. Although cmos is by far the most popular ic process today for switches and multiplexers. Adi switches and multiplexers are used in a wide and growing range of applications from industrial and instrumentation to medical. When the enable pin is high, all analog switches are turned off. Vishay offers analog switches in all major configuration types spst, spdt, dpst, dpdt and in nearly 20 surfacemount and throughhole package types. The engineers will enjoy the small batch ordering service for interface analog switches, multiplexers, demultiplexers from stock suppliers. When forward biased and enabled, the max40203 conducts with 90mv of voltage drop while carrying c. Multiplexer handle two type of data that is analog and digital. Analog switches, multiplexers, demultiplexers analog.
In digital circuit design, the selector wires are of digital value. Maintain signal integrity across your system while reducing design complexity with our analog switches and multiplexers muxes. Switchesmultiplexers requires membership for participation click to join. Ill find the right person to help you with your project. Interface analog switches, multiplexers, demultiplexers. By switching into a non inverting amplifier b, gain change becomes negligible. Unfortunately the naming conventions multiplexers switches encoders digital multiplexers are not standard company to company or within companies. Analog switches and multiplexers are available as a family. Vishay siliconix, inventor of the analog switch, continues to develop new products and drive innovation with a new line of enhanced analog switches and multiplexers.
Highspeed cmos logic 16channel analog multiplexer and. Interface analog switches, multiplexers, demultiplexers multiplexer switch ics analog multiplexersdemul. Cmos, analog switch, mux, multiplexers, onresistance, ron flatness, thd, charge injection, offisolation, esd protection. Learn about using analog multiplexers for adding more analog inputs to your microcontroller project. T here are two data inputs d0 and d1, and a select input called s. These devices are used in a wide variety of applications including multi. For digital application, they are built from standard logic gates. Consider the following common configurations to see which best suits your needs. Analog switches and multiplexers basics analog devices.
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