Datasheet > AD5160

AD5160

更新时间： 2022-11-25 10:53:20

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
16页	775K
描述
256-Position SPI Compatible Digital Potentiometer

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AD5160 数据手册

256-Position SPI Compatible

Digital Potentiometer

AD5160

FUNCTIONAL BLOCK DIAGRAM

FEATURES

256-position

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

Compact SOT-23-8 (2.9 mm × 3 mm) package

SPI compatible interface

SPI INTERFACE

SDI

Power-on preset to midscale

Single supply 2.7 V to 5.5 V

Low temperature coefficient 45 ppm/°C

Low power, I_DD= 8 µA

CLK

WIPER

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

Evaluation board available

GND

Figure 1.

APPLICATIONS

Mechanical potentiometer replacement in new designs

Transducer adjustment of pressure, temperature, position,

chemical, and optical sensors

RF amplifier biasing

PIN CONFIGURATION

SDI

Automotive electronics adjustment

Gain control and offset adjustment

AD5160

GND

CLK

TOP VIEW

(Not to Scale)

GENERAL OVERVIEW

Figure 2.

The AD5160 provides a compact 2.9 mm × 3 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 an SPI compatible

digital interface. The resistance between the wiper and either

end point of the fixed resistor varies linearly with respect to the

digital code transferred into the RDAC latch.

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.

Note:

The terms digital potentiometer, VR, and RDAC are used interchangeably.

Rev. 0

Information furnished by Analog Devices is believed to be accurate and reliable.

However, no responsibility is assumed by Analog Devices for its use, nor for any

infringements of patents or other rights of third parties that may result from its 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 and

registered trademarks are the property of their respective companies.

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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