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- Digital_potentiometer abstract "A digital potentiometer (informally a digipot) is a digitally controlled electronic component that mimics the analog functions of a potentiometer. It is often used for trimming and scaling analog signals by microcontrollers. It is either built using an R-2R integrated circuit or a Digital-to-analog converter, with resistor ladder construction being the most common[citation needed]. Every step on the resistor ladder has its own switch which can connect this step to the output terminal of the potentiometer. The selected step on the ladder determines the resistance ratio of the digital potentiometer. The number of steps is normally indicated with a bit value e.g. 8 bits equals 256 steps. A digital potentiometer is often controlled by digital protocols like I²C and SPI, as well as more basic Up/Down protocols. Some typical uses of digital potentiometers are in circuits requiring gain control of amplifiers (frequently instrumentation amplifiers), small-signal audio-balancing, and offset adjustment. Sometimes this device is also referred to as an RDAC, Resistive Digital-to-Analog Converter.Some digital potentiometers come with non-volatile memory, so that they can retain their last programmed position after they have been power cycled. Most, though, are volatile, i.e. after they are power cycled they will default to a standard value, which is usually the midpoint.[citation needed]The former can be useful, but when they are controlled by a microprocessor, or even via a Field Programmable Gate Array (FPGA). These devices can store the value to initialise the digital potentiaometer in non-volatile memory of their own, or on that of its peripherals.".
- Digital_potentiometer wikiPageExternalLink listing.html.
- Digital_potentiometer wikiPageExternalLink an1158.pdf.
- Digital_potentiometer wikiPageExternalLink digital-potentiometer.
- Digital_potentiometer wikiPageID "11630215".
- Digital_potentiometer wikiPageRevisionID "606323839".
- Digital_potentiometer hasPhotoCollection Digital_potentiometer.
- Digital_potentiometer subject Category:Resistive_components.
- Digital_potentiometer type Abstraction100002137.
- Digital_potentiometer type Cognition100023271.
- Digital_potentiometer type Component105868954.
- Digital_potentiometer type Concept105835747.
- Digital_potentiometer type Content105809192.
- Digital_potentiometer type Idea105833840.
- Digital_potentiometer type Part105867413.
- Digital_potentiometer type PsychologicalFeature100023100.
- Digital_potentiometer type ResistiveComponents.
- Digital_potentiometer comment "A digital potentiometer (informally a digipot) is a digitally controlled electronic component that mimics the analog functions of a potentiometer. It is often used for trimming and scaling analog signals by microcontrollers. It is either built using an R-2R integrated circuit or a Digital-to-analog converter, with resistor ladder construction being the most common[citation needed].".
- Digital_potentiometer label "Digital potentiometer".
- Digital_potentiometer sameAs Potensiometer_digital.
- Digital_potentiometer sameAs m.02rm0v9.
- Digital_potentiometer sameAs Q3206662.
- Digital_potentiometer sameAs Q3206662.
- Digital_potentiometer sameAs Digital_potentiometer.
- Digital_potentiometer wasDerivedFrom Digital_potentiometer?oldid=606323839.
- Digital_potentiometer isPrimaryTopicOf Digital_potentiometer.