Datasheet > AD5201BRM50-REEL7

AD5201BRM50-REEL7

更新时间： 2024-11-20 22:29:11

品牌	Logo	应用领域
亚德诺 - ADI		电位器
页数	文件大小	规格书
16页	724K
描述
256-Position and 33-Position Digital Potentiometers

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256-Position and 33-Position

Digital Potentiometers

AD5200/AD5201

FUNCTIONAL BLOCK DIAGRAM

FEATURES

AD5200—256-Position

AD5201—33-Position

10 kꢀ, 50 kꢀ

AD5200/AD5201

3-Wire SPI-Compatible Serial Data Input

Single Supply 2.7 V to 5.5 V or

Dual Supply ꢁ2.7 V for AC or Bipolar Operations

Internal Power-On Midscale Preset

CLK

SER

REG

8/6 RDAC

REG

SDI

APPLICATIONS

SHDN

GND

Mechanical Potentiometer Replacement

Instrumentation: Gain, Offset Adjustment

Programmable Voltage-to-Current Conversion

Programmable Filters, Delays, Time Constants

Line Impedance Matching

PWR-ON

PRESET

GENERAL DESCRIPTION

has a nominal temperature coefficient of 500 ppm/°C. The VR

has a VR latch that holds its programmed resistance value. The

VR latch is updated from an SPI-compatible serial-to-parallel

shift register that is loaded from a standard 3-wire serial-input

digital interface. Eight data bits for the AD5200 and six data

bits for the AD5201 make up the data word that is clocked into

the serial input register. The internal preset forces the wiper to

the midscale position by loading 80_Hand 10_Hinto AD5200 and

AD5201 VR latches respectively. The SHDN pin forces the

resistor to an end-to-end open-circuit condition on the A terminal

and shorts the wiper to the B terminal, achieving a microwatt

power shutdown state. When SHDN is returned to logic high,

the previous latch setting puts the wiper in the same resistance

setting prior to shutdown. The digital interface is still active dur-

ing shutdown so that code changes can be made that will produce

a new wiper position when the device is returned from shutdown.

The AD5200 and AD5201 are programmable resistor devices,

with 256 positions and 33 positions respectively, that can be digi-

tally controlled through a 3-wire SPI serial interface. The terms

programmable resistor, variable resistor (VR), and RDAC are

commonly used interchangeably to refer to digital potentiometers.

These devices perform the same electronic adjustment function

as a potentiometer or variable resistor. Both AD5200/AD5201

contain a single variable resistor in the compact µSOIC-10

package. Each device contains a fixed wiper resistance at the

wiper contact that taps the programmable resistance at a point

determined by a digital code. The code is loaded in the serial

input register. The resistance between the wiper and either end

point of the programmable resistor varies linearly with respect to

the digital code transferred into the VR latch. Each variable

resistor offers a completely programmable value of resistance,

between the A terminal and the wiper, or the B terminal and the

wiper. The fixed A-to-B terminal resistance of 10 kΩ or 50 kΩ

All parts are guaranteed to operate over the extended industrial

temperature range of –40°C to +85°C.

REV. B

Information furnished by Analog Devices is believed to be accurate and

reliable. However, no responsibility is assumed by Analog Devices for its

use, norforanyinfringementsofpatentsorotherrightsofthirdpartiesthat

may result from its use. No license is granted by implication or otherwise

under any patent or patent rights of Analog Devices.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781/329-4700

Fax: 781/326-8703

www.analog.com

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与AD5201BRM50-REEL7相关器件

型号	品牌	获取价格	描述	数据表
AD5201BRMZ10	ADI	获取价格	256-Position and 33-Position Digital Potentiometers
AD5201BRMZ10-REEL7	ADI	获取价格	256-Position and 33-Position Digital Potentiometers
AD5201BRMZ50	ADI	获取价格	256-Position and 33-Position Digital Potentiometers
AD5201BRMZ50-REEL7	ADI	获取价格	256-Position and 33-Position Digital Potentiometers
AD5201TD	ETC	获取价格	Analog-to-Digital Converter， 12-Bit
AD5201TD/883B	ETC	获取价格	Analog-to-Digital Converter， 12-Bit
AD5202BD	ADI	获取价格	IC 1-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL/PARALLEL ACCESS, CDIP24, HERMETIC SEAL
AD5202TD	ETC	获取价格	Analog-to-Digital Converter， 12-Bit
AD5202TD/883B	ETC	获取价格	Analog-to-Digital Converter， 12-Bit
AD5203	ADI	获取价格	4-Channel, 64-Position Digital Potentiometer

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