Datasheet > 转换器 > 数字电位计> AD5247BKSZ5-RL7

AD5247BKSZ5-RL7

更新时间： 2024-11-14 12:33:55

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	489K
描述
128-Position I2C-Compatible Digital Potentiometer

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AD5247BKSZ5-RL7 数据手册

128-Position I²C-Compatible

Digital Potentiometer

Data Sheet

AD5247

FEATURES

FUNCTIONAL BLOCK DIAGRAM

128 positions

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

Ultracompact, SC70-6 (2 mm × 2.1 mm) package

I²C-compatible interface

SDA

SCL

I C INTERFACE

Full read/write of wiper register

Power-on preset to midscale

Single-supply 2.7 V to 5.5 V

WIPER

Rheostat mode temperature coefficient: 45 ppm/°C

Low power, I_DD= 0.9 µA at 3.3 V typical

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

GND

Figure 1.

APPLICATIONS

Mechanical potentiometer replacement in new designs

Transducer adjustment of pressure, temperature, position,

chemical, and optical sensors

RF amplifier-biasing

LCD brightness and contrast adjustment

Automotive electronics adjustment

Gain control and offset adjustment

have three hard-coded slave address options available to allow

users access to three of these devices on one I²C bus (see Table 8

for a full list of slave address locations).

GENERAL DESCRIPTION

The AD5247 provides a compact, 2 mm × 2.1 mm, packaged

solution for 128-position adjustment applications. This device

performs the same electronic adjustment function as a mechanical

potentiometer or a variable resistor. Available in four different

end-to-end resistance values (5 kΩ, 10 kΩ, 50 kΩ, and 100 kΩ),

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, which can also be used to read back the present

wiper register control word. The 10 kΩ and 100 kΩ options each

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. Note the terms digital

potentiometer, VR (variable resistor), and RDAC are used

interchangeably in this document.

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

0.9 µA (3.3 V) allows the AD5247 to be used in portable

battery-operated applications.

Rev. F

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

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

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AD5247BKSZ5-RL7 替代型号

型号	品牌	替代类型	描述	数据表
AD5246BKS5-RL7	ADI	完全替代	128-Position I2C Compatible Digital Resistor
AD5247BKS5-RL7	ADI	完全替代	128-Position I2C Compatible Digital Potentiometer
AD5246BKSZ5-RL7	ADI	类似代替	128-Position I2C-Compatible Digital Resistor

与AD5247BKSZ5-RL7相关器件

型号	品牌	获取价格	描述	数据表
AD5247EVAL	ADI	获取价格	128-Position I2C Compatible Digital Potentiometer
AD5248	ADI	获取价格	Dual, 256-Position, I2C-Compatible Digital Potentiometers
AD5248_16	ADI	获取价格	Dual, 256-Position, I2C-Compatible Digital Potentiometers
AD5248BRM10	ADI	获取价格	Dual 256-Position I2C Compatible Digital Potentiometer
AD5248BRM100	ADI	获取价格	Dual 256-Position I2C Compatible Digital Potentiometer
AD5248BRM100-R2	ADI	获取价格	IC 100K DIGITAL POTENTIOMETER, 2-WIRE SERIAL CONTROL INTERFACE, 256 POSITIONS, PDSO10, 3 X
AD5248BRM100-RL7	ADI	获取价格	Dual 256-Position I2C Compatible Digital Potentiometer
AD5248BRM10-R2	ADI	获取价格	IC 10K DIGITAL POTENTIOMETER, 2-WIRE SERIAL CONTROL INTERFACE, 256 POSITIONS, PDSO10, 3 X
AD5248BRM10-RL7	ADI	获取价格	Dual 256-Position I2C Compatible Digital Potentiometer
AD5248BRM2.5	ADI	获取价格	Dual 256-Position I2C Compatible Digital Potentiometer

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