Datasheet > EVAL-AD5161EBZ

EVAL-AD5161EBZ

更新时间： 2024-11-24 12:54:27

品牌	Logo	应用领域
亚德诺 - ADI		数字电位计
页数	文件大小	规格书
20页	503K
描述
256-Position SPI/I2C Selectable Digital Potentiometer

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EVAL-AD5161EBZ 数据手册

256-Position SPI/I²C Selectable

Digital Potentiometer

Data Sheet

AD5161

FEATURES

FUNCTIONAL BLOCK DIAGRAM

SDO/NC

256-position

End-to-end resistance 5 kΩ, 10 kΩ, 50 kΩ, 100 kΩ

Compact MSOP-10 (3 mm × 4.9 mm) package

Pin selectable SPI/I²C compatible interface

Extra package address decode pin AD0

Full read/write of wiper register

SDI/SDA

CLK/SCL

SPI OR I C

INTERFACE

DIS

CS/AD0

Power-on preset to midscale

Single supply 2.7 V to 5.5 V

WIPER

Low temperature coefficient 45 ppm/°C

Low power, I_DD= 8 µA

GND

Wide operating temperature −40°C to +125°C

SDO output allows multiple device daisy-chaining

Evaluation board available

Figure 1.

APPLICATIONS

PIN CONFIGURATION

Mechanical potentiometer replacement in new designs

Transducer adjustment of pressure, temperature, position,

chemical, and optical sensors

RF amplifier biasing

Gain control and offset adjustment

AD5161

CS/ADO

SDO/NC

SDI/SDA

DIS

TOP VIEW

(Not to Scale)

GND

CLK/SCL

Figure 2.

GENERAL DESCRIPTION

The AD5161 provides a compact 3 mm × 4.9 mm packaged

solution for 256-position adjustment applications. These

devices perform the same electronic adjustment function as

mechanical potentiometers or variable resistors, with enhanced

resolution, solid-state reliability, and superior low temperature

coefficient performance.

The wiper settings are controllable through a pin selectable SPI

or I²C compatible digital interface, which can also be used to

read back the wiper register content. When the SPI mode is

used, the device can be daisy-chained (SDO to SDI), allowing

several parts to share the same control lines. In the I²C mode,

address pin AD0 can be used to place up to two devices on the

same bus. In this same mode, command bits are available to

reset the wiper position to midscale or to shut down the device

into a state of zero power consumption.

Operating from a 2.7 V to 5.5 V power supply and consuming

less than 5 µA allows for usage in portable battery-operated

applications.

Rev. B

Information furnished by Analog Devices is believed to be accurate and reliable. However, no

responsibilityis assumed by Analog Devices for its use, nor for any infringements of patents or other

rightsof third parties that may result fromits use. Specifications subject to change without notice. No

license is granted by implication or otherwise under any patent or patent rights of Analog Devices.

Trademarks andregisteredtrademarks are the property of their respective owners.

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

Tel: 781.329.4700 www.analog.com

12 3 4 5 6 7...20

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与EVAL-AD5161EBZ相关器件

型号	品牌	获取价格	描述	数据表
EVAL-AD5232-SDZ	ADI	获取价格	Nonvolatile Memory,Dual 256-Position Digital Potentiometer
EVAL-AD5242EBZ	ADI	获取价格	I2C-Compatible, 256-Position Digital Potentiometers
EVAL-AD5243SDZ	ADI	获取价格	Dual, 256-Position, I2C-Compatible Digital Potentiometers
EVAL-AD5246DBZ	ADI	获取价格	128-Position I2C-Compatible Digital Resistor
EVAL-AD5247DBZ	ADI	获取价格	128-Position I2C-Compatible Digital Potentiometer
EVAL-AD5252SDZ	ADI	获取价格	Dual 64-/256-Position I2C Nonvolatile Memory Digital Potentiometers
EVAL-AD5254SDZ	ADI	获取价格	Quad 64-/256-Position I2C Nonvolatile Memory Digital Potentiometers
EVAL-AD5258DBZ	ADI	获取价格	Nonvolatile, I2C-Compatible 64-Position, Digital Potentiometer
EVAL-AD5262EBZ	ADI	获取价格	1-/2-Channel 15 V Digital Potentiometer
EVAL-AD5263EBZ	ADI	获取价格	Quad, 15 V, 256-Position, Digital Potentiometer with Pin-Selectable SPI/I2C

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