AD5220 DATASHEET PDF

AD Increment/decrement Digital Potentiometer FEATURES Position Potentiometer Replacement k Very Low Power: 40 A Max. AD datasheet, AD circuit, AD data sheet: AD – Increment/ Decrement Digital Potentiometer,alldatasheet, datasheet, Datasheet search site for. AD datasheet, AD circuit, AD data sheet: AD – 2-Channel, Position Digital Potentiometer,alldatasheet, datasheet, Datasheet search site for .

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Remote Incremental Adjustment Applications. Programmable Filters, Delays, Time Constants. The AD provides a single channel, position digitally. Typical Push-Button Control Application. These products were optimized for instrument. The AD contains a fixed resistor with a wiper contact that. The resistance between the. The variable resistor offers a true adjustable value. The fixed A-to-B terminal resistance of. These inputs that con.

External debounce circuitry is required for the nega. This simple digital interface elimi. The AD is available in both surface mount SO-8 and the. For ultracompact solutions selected. For 3-wire, SPI compatible inter.

Information furnished by Analog Devices is believed to be accurate and. However, no responsibility is assumed by Analog Devices for its. One Technology Way, P. BoxNorwood, MAU. World Wide Web Site: No license is granted by implication or. Resistor Differential NL 2. Capacitance 5 A, B. V W Settling Time. Clock Level High or Low. Resistor position nonlinearity error R-INL is the deviation from an ideal value measured between the maximum resistance and the minimum resistance wiper.

R-DNL measures the relative step change from ideal between successive tap positions. Parts are guaranteed monotonic.

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Dztasheet Figure 29 test circuit. DNL specification limits of? See Figure 28 test circuit. Resistor terminals A, B, W have no limitations on polarity with respect to each other.

Guaranteed by design and not datzsheet to production test. CMOS logic level inputs result in minimum power dissipation. Bandwidth, noise and settling time are dependent on the terminal resistance value chosen. The lowest R value results in the fastest settling time and highest band. The highest R value results in the minimum overall power consumption. See timing diagrams for location of measured values.

Specifications subject to change without notice.

Tag: AD5220-10

C, unless otherwise noted. Dagasheet 3 Not to Scale 6 B1. Lead Temperature Dahasheet, 10 sec. This is a stress rating only; functional operation. Wiper Increment Toward Terminal A. Wiper Decrement Toward Terminal B. Chip Select Input, Active Low. The AD die size is 37 mil? Patent Number applies. ESD electrostatic discharge sensitive device. Electrostatic charges as high as V readily. Wiper to End Terminal. Step Position Nonlinearity Error vs. I DD Supply Current vs. Potentiometer Divider Nonlinearity Error Test.

Inverting Programmable Gain Test Circuit. Resistor Position Nonlinearity Error Rheostat. Noninverting Programmable Gain Test Circuit. Wiper Resistance Test Circuit.

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The AD provides a position digitally controlled vari. Changing the VR settings is accom. When the wiper hits the end of the resistor. The wiper position is immediately decoded.

The exact timing requirements are shown in Figure 3. The AD powers ON in a centered wiper position exhibit. A or B is approximately equal. Clocking the CLK pin will in. The AD contains a three-wire serial input interface. Dataasheet resistance R WB is. Each segment of the internal resistor string has a nominal resis. Standard logic families work. If mechanical switches are used for product evaluation. Care should be taken to limit.

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When CS is taken active low the clock begins to incre. Like the mechanical potentiometer the RDAC replaces, it is. Wiper W and Terminal A also produces a digitally controlled. LSB until the full scale value of 3F H is reached as long as the.

Increment/Decrement Digital Potentiometer

When these terminals are used the B? The typical part-to-part distribution of R BA is process lot depen. Additional clock pulses on the CLK pin are ignored when the. The change in R BA with tempera. The R BA temperature coefficient increases as the wiper is pro. Figure 14 shows dataaheet effect of. The negative-edge sensitive CLK pin does not ad520 any. The digital potentiometer easily generates an output voltage. This standard CMOS logic input. Good performance results at. A wide variety of standard circuits.

LSB of voltage is equal to the voltage applied across terminals. AB divided by the position resolution of the potentiometer. The general equation defining the output voltage with. This will prevent the digital.

Operation of the digital potentiometer in the divider mode re. Dimensions shown in inches and mm.