Variable resistor 10k ohm datasheet, cross reference, circuit and application notes in pdf format. The wiper settings are controllable through an spi digital interface. If the device needed to have this resolution over an entire 5v range, then the digital potentiometer would require 1280 steps, which. This device functions as a mechanical potentiometer, consisting of a fixed resistor string with a digitally controlled wiper contact. Dual, 256position, spi digital potentiometer ad5162. Potentiometer variable resistors sort by position name price product code items 1 to 50 of 615 total. A choice between bandwidth or power dissipation are available as a. Dnl specification limits of 1 lsb maximum are g uaranteed monotonic operating conditions.
It is intended for circuit level or system level adjustments in a wide variety of applications. Max5387 dual 256tap volatile lowvoltage linear taper. As the symbol suggests a potentiometer is nothing but a resistor with one variable end. Electrically, a potentiometer consists of two resistors connected in series. They can provide a variable resistance by simply varying the knob on top of its head. Ds22017 b 503 potentiometers variable resistors 502 variable resistor whetstone bridge amplifier wiper speed controller using pic b 103 potentiometer footprints potentiometer mcp4012. The wiper position is controlled by a threewire interface. Pttb1k 16 mm rotary potentiometer electrical characteristics product dimensions. Test conditions typical variation of nominal resistance. Everything you wanted to know about digital potentiometer pot abstract the digital pot is a mixed signal device.
The wiper position is controlled by a 3wire interface. The ad5222 contains two fixed resistors with wiper contacts that tap the fixed resistor value at a. Potentiometer and rheostat are two terms that are associated with the variable resistors. The cat5401 can be used as a potentiometer or as a two terminal, variable resistor. And8414 everything you wanted to know about digital. Each channel of the ad5204 ad5206 contains a fixed resistor with a wiper contact that taps the fixed resistor value at a point determined by a digital code loaded into the spicompatible serialinput register. The position of the wiper determines the output voltage of the potentiometer. Let us assume a 10k potentiometer, here if we measure the resistance between terminal 1 and terminal 3 we will get a value of 10k because both the terminals are fixed ends of the potentiometer. General description the max5387 dual, 256tap, volatile, lowvoltage linear taper digital potentiometer offers three endtoend resistance values of 10k.
X9c104si datasheetpdf 1 page renesas technology corp. After reading this post youll be able to develop a crystal clear concept regarding both terms. To use the potentiometer as a rheostat, only two pins are used. The characteristics and parameters in this specification sheet will vary in. It has two terminals and a wiper and works exactly like a variable resistor. Technically both these terms represent the two different configurations provided by the same components. Potentiometer variable resistors sort by position name price product code items 101 to 150 of 615 total. A potentiometer also known as a pot or potmeter is defined as a 3 terminal variable resistor in which the resistance is manually varied to control the flow of electric current. The ad7376 performs the same electronic adjustment function as mechanical potentiometers, variable resistors, and trimmers with enhanced resolution, solidstate reliability, and programmability. The digital portion contains the interface, control, and registers associated with the potentiometer.
These devices perform the same electronic adjustment function as a potentiometer or variable resistor. Digital potentiometer pot the ca5171 is a 256position digital linear taper potentiometer ideally suited for replacing mechanical potentiometers and variable resistors. This device can be used as a programmable resistor or resistor divider. Variable resistor 10k available at jameco electronics. The xdcp can be used as a 3terminal potentiometer or as a 2terminal variable resistor in a wide variety of applications including control, parameter adjustments and signal processing. Max5387 dual 256tap volatile lowvoltage linear taper digital potentiometer. Search for info about electronic components, technologies, and the electronics industry in articles, product highlights, videos, ptms, blogs, and more. Carbon film potentiometer rm065 rm063 feature 6mm singleturn carbon film henolic base resin mold open frame pc board standoffs enclosed cover electrical characteristics environment al characteristics. Potentiometers, variable resistors rotary potentiometers, rheostats are in stock at digikey.
Each device performs the same function as a discrete potentiometer or variable resistor and has 256 tap points. Potentiometers are variable resistors that are commonly used for all applications involving a reasonable number of cycles few tens of thousands, manually actuated. The device consists of a resistor array, wiper switches, a control section, and nonvolatile memory. Mar 09, 2018 a potentiometer is a threeterminal resistor with a sliding or rotating contact that forms an adjustable voltage divider. The term rheostat is becoming obsolete,9 with the general term potentiometer replacing it. Bourns, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. Low power2wire serial bus, x9241awpz datasheet, x9241awpz pdf, x9241awpz datasheet pdf, datenblatt, pinouts, data sheet, schematic.
Search results for 22k resistor potentiometer results from catalog. What is the difference between resistors and potentiometer. Understanding digital potentiometer resistor variations. Two terminals are connected to both ends of a resistive element, and the third terminal connects to a sliding contact, called a wiper, moving over the resistive element. Cat5401 quad digital potentiometer pot with 64 taps. Upon powerup, the wiper assumes a midscale position and. A potentiometer is a handy little component often used to control the volume of music equipment, brightness of a light, and more. Potentiometers, variable resistors are in stock at digikey. Square trimpot trimming potentiometer electrical characteristics standard resistance range 10 ohms to 2 megohms see standard resistance table resistance tolerance 10 % std. The position of the wiper determines how much resistance the potentiometer is imposing to the circuit, as the figure demonstrates.
Potentiometers also known as pot, are nothing but variable resistors. Each channel of the ad5204 ad5206 contains a fixed resistor with a wiper contact that taps the fixed resistor value at a point determined by a digital code. Variable resistor, potentiometer types electronics notes. Jameco sells variable resistor 1k and more with a lifetime guarantee and same day shipping. Rdnl and rinl are measured with the potentiometer configured as a variable resistor figure 1. Electronics basics how a potentiometer works random. Each device performs the same function as a discrete potentiometer or. Potentiometer datasheet datasheetpdf renesas technology corp isl22512 datasheet, single push button controlled potentiometer xdcp low noise, low power, 16 taps, push button controlled potentiometer, intersil corporation isl22511 datasheet, renesas technology corp isl23511 datasheet. For a linear potentiometer, its resistive track has the same crosssection from start to end whereas for a logarithmic one it is tapered to cause a logarithmic change in resistance. A choice between bandwidth or power dissipation are available as a result of the. Potentiometer datasheet datasheetpdf renesas technology corp isl22512 datasheet, single push button controlled potentiometer xdcp low noise, low power, 16 taps, push button controlled potentiometer, intersil corporation isl22511 datasheet, renesas technology corp.
Mar 04, 2012 a variable resistor is a resistor of which the electric resistance value can be adjusted. The characteristics and parameters of a bourns product set forth in its data sheet are based on laboratory conditions, and statements regarding the suitability of products for certain types of applications are based on bourns knowledge of typical requirements in generic applications. Thumbwheels and shafts can be provided either separately or already inserted in the potentiometer. Jan 12, 2020 a potentiometer also known as a pot or potmeter is defined as a 3 terminal variable resistor in which the resistance is manually varied to control the flow of electric current. Acps potentiometers can be adjusted from either side, both in the horizontal and the vertical adjustment types. The digitally controlled potentiometer is implemented using. Complete technical details can be found at the datasheet given at the end of this page. Features 1024 resistor taps 10bit resolution 2wire serial interface for write, read, and transfer operations of. The potentiometer can work as a rheostat variable resistor or as a voltage divider rheostat.
Potentiometers work by varying the position of a sliding. Mounted behind the front panel for various equipment, they frequently feature buttons mounted on their shafts. In this application note, we will model potentiometers and variable resistors using orcad capture and simulate the example circuits, which include models of potientiometer and variable resistors, using pspice. Potentiometer variable resistors tayda electronics. The device can be used as a threeterminal potentiometer or. This device performs the same electronic adjustment function as a potentiometer or variable resistor. The resistance between the wiper and either endpoint of the fixed resistor varies linearly with respect to the digital code transferred into the rdac latch. B10k datasheet, b10k pdf, b10k data sheet, b10k manual, b10k pdf, b10k, datenblatt, electronics b10k, alldatasheet, free, datasheet, datasheets, data sheet, datas. Cat5171 256position i2c compatible digital potentiometer pot. A or b allows the devi ce to be used as a rheostat variable resistor.
Square trimpot trimming potentiometer electrical characteristics standard resistance range 10 ohms to 2 megohms see standard resistance table resistance tolerance 2 10 % std. A variable resistor is a two terminal component which you can vary its resistance by rotating an axis or by sliding a conduct along its axis big one, usually used in labs for experiments. One of the major mechanical considerations is the form of movement that creates the electrical changes in the variable resistor. X9c104si datasheet pdf 1 page renesas technology corp. W with the rdac configured as a potentiometer divider, similar to a voltage output digital to analog converter. This versions of potentiometer uses a rotary motion to move the slider around a track that compromises most. Potentiometer resistors industrial rotary potentiometers. The specification for the potentiometer consists of. Get same day shipping, find new products every month, and feel confident with our low price guarantee.
The most common of variable resistor or potentiometer is a rotary version. If you need a simple resistor that you can change the resistance of, you only need two pins. A 32tap, lineartaper digital potentiometer acts as a variable resistor in a voltage divider, connected to the dim input of an led driver operating as a pwm driver for. Rotary potentiometers, rheostats potentiometers, variable. Browse our computer products, electronic components, electronic kits. A potentiometer acts as an adjustable voltage divider. A potentiometer is a threeterminal resistor with a sliding or rotating contact that forms an adjustable voltage divider.
A potentiometer is a manually adjustable variable resistor with 3 terminals. The potentiometer and wiring guide build electronic circuits. The potentiometer is implemented by a resistor array. The wiper settings are controlled through an i2ccompatible digital interface. Ohmite potentiometers are provided up to 2 watts and resistance control up to 5 megohms. Dc characteristics rheostat mode specifications apply to all vrs.
For lowpower applications less than about 1 watt a threeterminal potentiometer is often used, with one terminal unconnected or connected to the wiper. Several options are available and include multiple shaft lengths, logarithmic scales, and tandem units. Rv24af1015r1b1k, rh03adc15x standard values for a potentiometer. The max5387 dual, 256tap, volatile, lowvoltage linear low. With multiple options available it is easy to fit the proper ohmite potentiometer into your application. Carbon film potentiometer rm065 rm063 feature 6mm singleturn carbon film henolic base resin mold open frame pc board standoffs enclosed cover electrical characteristics environment al characteristics power rating 0. Microchip offers digital potentiometer devices with typical endtoend resistances of 2.
Jul 11, 2016 keep that in mind, and have a look at the following three examples on how to wire a potentiometer. The analog portion of the device is the threeterminal analog component called potentiometer. Digitally controlled potentiometer xdcp datasheet the x9c102, x9c103, x9c104, x9c503 are digitally controlled xdcp potentiometers. When a variable resistor is used as a potential divider by using 3 terminals it is called a potentiometer. The max5402 pot digital potentiometer is a 256tap variable resistor with 10k. Digital potentiometers design guide microchip technology. Resistor datasheet, resistor pdf, resistor data sheet, resistor manual, resistor pdf, resistor, datenblatt, electronics resistor, alldatasheet, free, datasheet.
Potentiometer datasheet datasheetpdf isl22512 renesas. Digikey s tools are uniquely paired with access to the worlds largest selection of electronic components to help you meet your design challenges headon. Digitally controlled potentiometer xdcp datasheet the intersil x9319 is a digitally controlled potentiometer xdcp. These products were optimized for instrument and test equipment pushbutton applications. Potentiometer datasheet, potentiometer pdf, potentiometer data sheet, potentiometer manual, potentiometer pdf, potentiometer, datenblatt, electronics potentiometer. Potentiometers, variable resistors electronic components. So, if the digital potentiometer is 8bits 256 steps and the delta voltage between va and vb is 1v, then each step of the digital potentiometer results in a change of 1256 v, or 3. A variable resistor is in essence an electromechanical transducer and normally works by sliding a contact wiper over a resistive element. Features four linear taper digital potentiometers 64 resistor taps per potentiometer end to end resistance 2.
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