Datasheet > 转换器 > 数字电位计> AD5259BCPZ10-R7

AD5259BCPZ10-R7

更新时间： 2024-11-03 22:39:31

品牌	Logo	应用领域
亚德诺 - ADI		转换器电位器数字电位计电阻器
页数	文件大小	规格书
24页	989K
描述
Nonvolatile, I2C-Compatible 256-Position, Digital Potentiometer

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AD5259BCPZ10-R7 数据手册

Nonvolatile, I²C-Compatible

256-Position, Digital Potentiometer

AD5259

FUNCTIONAL BLOCK DIAGRAMS

FEATURES

Nonvolatile memory maintains wiper settings

256-position

Thin LFCSP-10 (3 mm x 3 mm x 0.8 mm) package

Compact MSOP-10 (3 mm × 4.9 mm x 1.1mm) package

I²C®-compatible interface

V_LOGICpin provides increased interface flexibility

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

Resistance tolerance stored in EEPROM (0.1% accuracy)

Power-on EEPROM refresh time < 1ms

Software write protect command

RDAC

LOGIC

EEPROM

GND

DATA

CONTROL

SCL

SDA

I C

SERIAL

INTERFACE

AD0

AD1

COMMAND

DECODE LOGIC

AD5259

ADDRESS

DECODE LOGIC

POWER-

ON RESET

CONTROL LOGIC

Address Decode Pin AD0 and Pin AD1 allow

4 packages per bus

Figure 1. Block Diagram

100-year typical data retention at 55°C

Wide operating temperature −40°C to +85°C

3 V to 5 V single supply

LOGIC

EEPROM

SCL

RDAC

AND

APPLICATIONS

SDA

AD0

AD1

SERIAL

INTERFACE

LEVEL

LCD panel V_COMadjustment

SHIFTER

LCD panel brightness and contrast control

Mechanical potentiometer replacement in new designs

Programmable power supplies

RF amplifier biasing

COMMAND

DECODE LOGIC

ADDRESS

DECODE LOGIC

CONTROL

LOGIC

GND

Automotive electronics adjustment

Gain control and offset adjustment

Fiber to the home systems

Figure 2. Block Diagram Showing Level Shifters

Electronics level settings

CONNECTION DIAGRAM

GENERAL DESCRIPTION

AD0

AD1

SDA

SCL

The AD5259 provides a compact, nonvolatile LFCSP-10

(3 mm × 3 mm) or MSOP-10 (3 mm × 4.9 mm) packaged

solution for 256-position adjustment applications. These

devices perform the same electronic adjustment function

as mechanical potentiometers¹or variable resistors, but

with enhanced resolution and solid-state reliability.

AD5259

TOP VIEW

(Not to Scale)

GND

LOGIC

Figure 3. Pinout

The wiper settings are controllable through an I²C-compatible

digital interface that is also used to read back the wiper register

and EEPROM content. Resistor tolerance is also stored within

EEPROM, providing an end-to-end tolerance accuracy of 0.1%.

¹The terms digital potentiometer, VR (variable resistor), and RDAC are used

interchangeably.

A separate V_LOGICpin delivers increased interface flexibility. For

users who need multiple parts on one bus, Address Bit AD0 and

Address Bit AD1 allow up to four devices on the same bus.

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: 781.461.3113

www.analog.com

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与AD5259BCPZ10-R7相关器件

型号	品牌	获取价格	描述	数据表
AD5259BCPZ50-R7	ADI	获取价格	Nonvolatile, I2C-Compatible 256-Position, Digital Potentiometer
AD5259BCPZ5-R7	ADI	获取价格	Nonvolatile, I2C-Compatible 256-Position, Digital Potentiometer
AD5259BRMZ10	ADI	获取价格	Nonvolatile, I2C-Compatible 256-Position, Digital Potentiometer
AD5259BRMZ100	ADI	获取价格	Nonvolatile, I2C-Compatible 256-Position, Digital Potentiometer
AD5259BRMZ100-R7	ADI	获取价格	Nonvolatile, I2C-Compatible 256-Position, Digital Potentiometer
AD5259BRMZ10-R7	ADI	获取价格	Nonvolatile, I2C-Compatible 256-Position, Digital Potentiometer
AD5259BRMZ5	ADI	获取价格	Nonvolatile, I2C-Compatible 256-Position, Digital Potentiometer
AD5259BRMZ50	ADI	获取价格	Nonvolatile, I2C-Compatible 256-Position, Digital Potentiometer
AD5259BRMZ50-R7	ADI	获取价格	Nonvolatile, I2C-Compatible 256-Position, Digital Potentiometer
AD5259BRMZ5-R7	ADI	获取价格	Nonvolatile, I2C-Compatible 256-Position, Digital Potentiometer

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