Datasheet > 转换器 > 数字电位计> AD5162BRM50-RL7

AD5162BRM50-RL7

更新时间： 2024-11-12 22:47:31

品牌	Logo	应用领域
亚德诺 - ADI		转换器数字电位计电阻器光电二极管
页数	文件大小	规格书
20页	1116K
描述
Dual 256-Position SPI Digital Potentiometer

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AD5162BRM50-RL7 数据手册

Dual 256-Position SPI

Digital Potentiometer

AD5162

FEATURES

2-channel, 256-position

FUNCTIONAL BLOCK DIAGRAM

End-to-end resistance: 2.5 kΩ, 10 kΩ, 50 kΩ, 100 kΩ

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

Fast settling time: t_S= 5 µs typical on power-up

Full read/write of wiper register

Power-on preset to midscale

WIPER

Extra package address decode pin AD0

GND

Computer software replaces µC in factory programming

applications

A = 0

A = 1

Single supply: 2.7 V to 5.5 V

Low temperature coefficient: 35 ppm/°C

Low power: I_DD= 6 µA max

AD5162

CLK

SDI

SPI INTERFACE

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

Evaluation board available

Figure 1.

APPLICATIONS

Systems calibrations

Electronics level settings

Mechanical Trimmers® replacement in new designs

Permanent factory PCB setting

Transducer adjustment of pressure, temperature, position,

chemical, and optical sensors

RF amplifier biasing

Automotive electronics adjustment

Gain control and offset adjustment

GENERAL DESCRIPTION

The AD5162 provides a compact 3 mm × 4.9 mm packaged

solution for dual 256-position adjustment applications. This

device performs the same electronic adjustment function as a

3-terminal mechanical potentiometer. Available in four different

end-to-end resistance values (2.5 kΩ, 10 kΩ, 50 kΩ, 100 kΩ),

this low temperature coefficient device is ideal for high accu-

racy and stability variable resistance adjustments. The wiper

settings are controllable through an SPI digital interface. The

resistance between the wiper and either endpoint of the fixed

resistor varies linearly with respect to the digital code

transferred into the RDAC¹latch.

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

less than 6 µA allows the AD5162 to be used in portable

battery-operated applications.

For applications that program the AD5162 at the factory,

Analog Devices offers device programming software running

on Windows® NT/2000/XP operating systems. This software

effectively replaces any external SPI controllers, which in turn

enhances users’ systems time-to-market. An AD5162 evaluation

kit and software are available. The kit includes a cable and

instruction manual.

¹The terms digital potentiometer, VR, and RDAC are used interchangeably.

Rev. A

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 owners.

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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AD5162BRM50-RL7 替代型号

型号	品牌	替代类型	描述	数据表
AD5162BRMZ50-RL7	ADI	完全替代	Dual, 256-Position, SPI Digital Potentiometer
AD5162BRM50	ADI	完全替代	Dual 256-Position SPI Digital Potentiometer
AD5162BRMZ50	ADI	类似代替	Dual, 256-Position, SPI Digital Potentiometer

与AD5162BRM50-RL7相关器件

型号	品牌	获取价格	描述	数据表
AD5162BRMZ10	ADI	获取价格	Dual, 256-Position, SPI Digital Potentiometer
AD5162BRMZ100	ADI	获取价格	Dual, 256-Position, SPI Digital Potentiometer
AD5162BRMZ100-RL7	ADI	获取价格	Dual, 256-Position, SPI Digital Potentiometer
AD5162BRMZ10-RL7	ADI	获取价格	Dual, 256-Position, SPI Digital Potentiometer
AD5162BRMZ2.5	ADI	获取价格	Dual, 256-Position, SPI Digital Potentiometer
AD5162BRMZ2.5-RL7	ADI	获取价格	Dual, 256-Position, SPI Digital Potentiometer
AD5162BRMZ50	ADI	获取价格	Dual, 256-Position, SPI Digital Potentiometer
AD5162BRMZ50-RL7	ADI	获取价格	Dual, 256-Position, SPI Digital Potentiometer
AD5162EVAL	ADI	获取价格	Dual, 256-Position, SPI Digital Potentiometer
AD5162WBRMZ100-RL7	ADI	获取价格	Dual, 256-Position, SPI Digital Potentiometer

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