Datasheet > AD5245BRJ100-RL7

AD5245BRJ100-RL7

更新时间： 2024-11-22 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
16页	853K
描述
256-Position I2C Compatible Digital Potentiometer

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替代型号

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AD5245BRJ100-RL7 数据手册

256-Position I²C Compatible

Digital Potentiometer

AD5245

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

I²C® compatible interface

Extra package address decode pin AD0

Full read/write of wiper register

Power-on preset to midscale

SCL

I C INTERFACE

SDA

AD0

WIPER

Single supply 2.7 V to 5.5 V

Low temperature coefficient 45 ppm/°C

Low power, I_DD= 8 µA

GND

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

Evaluation board available

Figure 1.

PIN CONFIGURATION

APPLICATIONS

Mechanical potentiometer replacement in new designs

Transducer adjustment of pressure, temperature, position,

chemical, and optical sensors

AD0

SDA

AD5245

GND

SCL

TOP VIEW

(Not to Scale)

RF amplifier biasing

Automotive electronics adjustment

Gain control and offset adjustment

Figure 2.

GENERAL OVERVIEW

The AD5245 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 I²C compatible

digital interface, which can also be used to read back the wiper

the same bus. Command bits are available to reset the wiper

position to midscale or to shut down the device into a state of

zero power consumption.

Note:

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

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 V to 5.5 V power supply and consuming

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

applications.

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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AD5245BRJ100-RL7 替代型号

型号	品牌	替代类型	描述	数据表
AD5245BRJZ100-R2	ADI	完全替代	256-Position I2C-Compatible Digital Potentiometer
AD5245BRJ100-R2	ADI	完全替代	256-Position I2C Compatible Digital Potentiometer
AD5245BRJZ100-RL7	ADI	功能相似	256-Position I2C-Compatible Digital Potentiometer

与AD5245BRJ100-RL7相关器件

型号	品牌	获取价格	描述	数据表
AD5245BRJ10-R2	ADI	获取价格	256-Position I2C Compatible Digital Potentiometer
AD5245BRJ10-RL7	ADI	获取价格	256-Position I2C Compatible Digital Potentiometer
AD5245BRJ5	ADI	获取价格	256-Position I2C-Compatible Digital Potentiometer
AD5245BRJ50	ADI	获取价格	256-Position I2C-Compatible Digital Potentiometer
AD5245BRJ50-R2	ADI	获取价格	256-Position I2C Compatible Digital Potentiometer
AD5245BRJ50-RL7	ADI	获取价格	256-Position I2C Compatible Digital Potentiometer
AD5245BRJ5-R2	ADI	获取价格	256-Position I2C Compatible Digital Potentiometer
AD5245BRJ5-RL7	ADI	获取价格	256-Position I2C Compatible Digital Potentiometer
AD5245BRJZ10	ADI	获取价格	10K DIGITAL POTENTIOMETER, 2-WIRE SERIAL CONTROL INTERFACE, 256 POSITIONS, PDSO8
AD5245BRJZ100-R2	ADI	获取价格	256-Position I2C-Compatible Digital Potentiometer

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