Each device performs the same function as a discrete potentiometer or variable resistor and has 256 tap points. A digital potentiometer is a digitallycontrolled electronic component that mimics the analog. The principle can be applied for controlling any device with an i2c interface using an analog voltage, and hence can be used in various applications. Upon powerup, the wiper assumes a midscale position and. An16 using digital potentiometers for programmable. Integrated circuits ics data acquisition digital potentiometers. Potentiometer configuration when the digital potentiometer is in a potentiometer configuration, the device is operating as a voltage divider.
Inertial measures of motion for clinical biomechanics. A new look at strain limits and plastic hinge lengths for reinforced concrete bridge columns. Using an analog voltage to control a digital potentiometer. The wiper settings are controlled through an i2ccompatible digital interface. Max5420 digitally programmable precision voltage divider. Digitally controlled potentiometer xdcp datasheet the x9c102, x9c103, x9c104, x9c503 are digitally controlled xdcp potentiometers.
As long as there is not a load on the wiper goes into a highimpedance input, the variation of the wiper resistance rw has minimal impact on the inl and dnl characteristics. A blend of serial communications interfaces ranging from a usb 2. The device consists of a resistor array, wiper switches, a control section, and nonvolatile memory. App note 4301 the zerotransistor ic, a new plateau in ic design app note 4051 using an analog voltage to control a digital potentiometer app note 20 voltage reference scaling technique increases adc accuracy to keep costs down quality and environmental data product reliability reports. The cat5114 is a single digital pot designed as an electronic. Page i programming the parallel port interfacing the pc for data acquisition and process control dhananjay v. Human motion tracking for rehabilitation has been an active research topic since the 1980s.
Tpl0202 256taps dual channel digital potentiometer with spi. Integrated circuits ics data acquisition digital potentiometers are in stock at digikey. Full text of gait analysis in the science of rehabilitation. Please view our selection of digital potentiometer ics below.
These devices are pbfree, halogen freebfr free and are rohs. Digital potentiometers are a family of integrated circuit devices which provide an adjustable resistance similar to a traditional mechanical potentiometer or. Comparative assessment of accuracy under controlled conditions changes in accuracy over time. The music podcast from two best buds think millennial artist spotlight hosted by brandon bearden music for the prose. It has been motivated by the increased number of patients who have suffered a stroke, or some other motor function disability. The cat51 is a single digital pot designed as an electronic replacement.
Digital potentiometer development tools eval kitsystem max5386m, max5388, max5391, and max5393 dual 256tap,volatile, lowvoltage linear tape. Tpl0202 256taps dual channel digital potentiometer with spi and non volatile memory. Microchip offers digital potentiometer devices with typical endtoend resistances of 2. Digital potentiometer ics are available at mouser electronics from industry leading manufacturers. The following section describes how the 2wire i2c serial bus protocol operates see. Motion sensor technology in a home based rehabilitation. The ad8400 contains a single variable resistor in the compact soic8 package. This family of devices support 7bit and 8bit resistor networks, and potentiometer and rheostat pinouts. Lcd liquid crystal display is a type of flat panel display which uses liquid crystals in its primary form of operation.
Serial data inputoutput bidirectional serial data pin used to transfer data into. Ti home data converters digital potentiometers digipots data converters. Analogto digital converters adcs 934 highspeed adcs 10msps 346 isolated adcs 35. Lpc2ss148 dev board analog to digital converter arm. The potentiometer is implemented by a resistor array.
The wiper position is controlled by a threewire interface. Tpl0501 256taps, singlechannel, digital potentiometer with spi. Human movement tracking systems are expected to generate realtime data that dynamically represents the pose changes of a human body or a part of it, based on well developed motionsensor technologies. Ad5207 2channel 256position digital potentiometer datasheet pdf technical report. Digital potentiometers design guide microchip technology. Compare and select from tis portfolio of digital potentiometers to meet the needs of your system design. Rehabilitation is a dynamic process which allows patients to. In some applications it is required to control a digital potentiometer that has an i2c interface, with a continuously varying analog signal. Data acquisition digital potentiometers integrated circuits ics.
1265 1564 1289 1017 379 960 898 632 673 445 937 540 1040 265 1508 930 648 801 347 527 1272 257 354 400 1035 1466 1350 709 571 760 79 10 1107 1117 284 103 1290 193 1060 1102 1345 974 1049 1158 160