Datasheet > AD5248BRM50-R2

AD5248BRM50-R2

更新时间： 2024-11-15 14:47:35

品牌	Logo	应用领域
亚德诺 - ADI		光电二极管转换器电阻器
页数	文件大小	规格书
16页	327K
描述
IC 50K DIGITAL POTENTIOMETER, 2-WIRE SERIAL CONTROL INTERFACE, 256 POSITIONS, PDSO10, 3 X 4.90 MM, MO-187BA, MSOP-10, Digital Potentiometer

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AD5248BRM50-R2 数据手册

Dual 256-Position I²C

Digital Potentiometer

Preliminary Technical Data

AD5243/AD5248

applications.

FEATURES

2-Channel, 256-position

All parts are guaranteed to operate over the extended

automotive temperature range of -40°C to +125°C.

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

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

Full read/write of wiper register

FUNCTIONAL BLOCK DIAGRAMS

Power-on preset to midscale

V_DD

Extra package address decode pins AD0 and AD1(AD5248)

Single supply +2.7 V to +5.5 V

Low temperature coefficient 35 ppm/°C

Low power, I_DD= 5 µA

SCL

SDA

I²C INTERFACE

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

Evaluation board available

WIPER

APPLICATIONS

WIPER

Mechanical potentiometer replacement in new designs

Transducer adjustment of pressure, temperature, position,

chemical, and optical sensors

RF amplifier biasing

GND

Automotive electronics adjustment

Gain control and offset adjustment

Figure 1. AD5243

GENERAL OVERVIEW

The AD5243 & AD5248 provide a compact 3x4.9mm packaged

solution for dual 256 position adjustment applications. These

devices perform the same electronic adjustment function as a 3-

terminal mechanical potentiometer (AD5243) or a 2-terminal

variable resistor (AD5248). Available in four different end-to-

end resistance values (2.5k, 10k, 50k, 100k ) these low

temperature coefficient devices are ideal for high accuracy and

stability variable resistance adjustments. The wiper settings are

controllable through the I²C compatible digital interface. The

AD5248 has extra package address decode pins AD0 & AD1

allowing multiple parts to share the same I²C 2-wire bus on a

PCB.

V_DD

RDAC

GND

AD0

ADDRESS

DECODE

AD1

SDA

SCL

SERIAL INPUT

Figure 2. AD5248

Note:

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

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 latch¹.

Purchase of licensed I²C components of Analog Devices or one of its sublicensed

Associated Companies conveys a license for the purchaser under the Philips I²C

Patent Rights to use these components in an I²C system, provided that the system

conforms to the I²C Standard Specification as defined by Philips.

Operating from a 2.7 to 5.5 volt power supply and consuming

less than 5µA allows for usage in portable battery operated

Rev. PrE5/12/03

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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与AD5248BRM50-R2相关器件

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AD5248BRMZ100-RL7	ADI	获取价格	Dual, 256-Position, I2C-Compatible Digital Potentiometers
AD5248BRMZ10-RL7	ADI	获取价格	Dual, 256-Position, I2C-Compatible Digital Potentiometers
AD5248BRMZ2.5	ADI	获取价格	Dual, 256-Position, I2C-Compatible Digital Potentiometers
AD5248BRMZ2.5-RL7	ADI	获取价格	Dual, 256-Position, I2C-Compatible Digital Potentiometers
AD5248BRMZ50	ADI	获取价格	Dual, 256-Position, I2C-Compatible Digital Potentiometers
AD5248BRMZ50-RL7	ADI	获取价格	Dual, 256-Position, I2C-Compatible Digital Potentiometers
AD5248EVAL	ADI	获取价格	Dual 256-Position I2C Compatible Digital Potentiometer

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