Datasheet > AD5170BRM10-R2

AD5170BRM10-R2

更新时间： 2024-09-17 20:56:39

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
24页	741K
描述
IC 10K DIGITAL POTENTIOMETER, 2-WIRE SERIAL CONTROL INTERFACE, 256 POSITIONS, PDSO10, 3 X 4.9 MM, MO-187BA, MSOP-10, Digital Potentiometer

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AD5170BRM10-R2 数据手册

256-Position, Two-Time Programmable,

I²C Digital Potentiometer

AD5170

FUNCTIONAL BLOCK DIAGRAM

FEATURES

256-position digital potentiometer

Two-time programmable (TTP) set-and-forget resistance

setting allows second-chance permanent programming

Unlimited adjustments prior to one-time programming

(OTP) activation

OTP overwrite allows dynamic adjustments with user-

defined preset

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

Compact 10-lead MSOP: 3 mm × 4.9 mm package

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

Full read/write of wiper register

FUSE

LINKS

RDAC

GND

AD0

AD1

ADDRESS

DECODE

Power-on preset to midscale

Extra package address decode pins: AD0 and AD1

Single supply: 2.7 V to 5.5 V

SDA

SCL

SERIAL INPUT

Low temperature coefficient: 35 ppm/°C

Low power: I_DD= 6 μA maximum

Figure 1.

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

Evaluation board and software are available

Software replaces MicroConverter® in factory programming

applications

APPLICATIONS

Systems calibration

Electronics level setting

Mechanical trimmers replacement in new designs

Permanent factory PCB settings

Transducer adjustment of pressure, temperature, position,

chemical, and optical sensors

RF amplifier biasing

Automotive electronics adjustments

Gain control and offset adjustments

GENERAL DESCRIPTION

activation, a permanent blow fuse command freezes the wiper

position (analogous to placing epoxy on a mechanical trimmer).

The AD5170 is a 256-position, two-time programmable, digital

potentiometer¹that employs fuse link technology, giving users

two opportunities to permanently program the resistance setting.

For users who do not need to program the digital potentiometer

setting in memory more than once, the OTP feature is a cost-

effective alternative to EEMEM. The AD5170 performs the same

electronic adjustment function as mechanical potentiometers or

variable resistors with enhanced resolution, solid-state reliability,

and superior low temperature coefficient performance.

The AD5170 is programmed using a 2-wire, I²C®-compatible

digital interface. Unlimited adjustments are allowed before

permanently setting the resistance value, and there are two

opportunities for permanent programming. During OTP

Unlike traditional OTP digital potentiometers, the AD5170 has

a unique temporary OTP overwrite feature that allows for new

adjustments even after the fuse is blown. However, the OTP setting

is restored during subsequent power-up conditions. This feature

allows users to treat these digital potentiometers as volatile poten-

tiometers with a programmable preset.

For applications that program the AD5170 at the factory, Analog

Devices, Inc., offers device programming software that runs on

Windows NT®, Windows® 2000, and Windows XP operating

systems. This software effectively replaces any external I²C con-

trollers, thus enhancing the time-to-market of the user’s systems.

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

Rev. G

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 registeredtrademarks arethe 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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与AD5170BRM10-R2相关器件

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AD5170BRM10-RL7	ADI	获取价格	256-Position Two-Time Programmable I2C Digital Potentiometer
AD5170BRM2.5	ADI	获取价格	256-Position Two-Time Programmable I2C Digital Potentiometer
AD5170BRM2.5-R2	ADI	获取价格	IC 2.5K DIGITAL POTENTIOMETER, 2-WIRE SERIAL CONTROL INTERFACE, 256 POSITIONS, PDSO10, 3 X
AD5170BRM2.5-RL7	ADI	获取价格	256-Position Two-Time Programmable I2C Digital Potentiometer
AD5170BRM50	ADI	获取价格	256-Position Two-Time Programmable I2C Digital Potentiometer
AD5170BRM50-R2	ADI	获取价格	IC 50K DIGITAL POTENTIOMETER, 2-WIRE SERIAL CONTROL INTERFACE, 256 POSITIONS, PDSO10, 3 X
AD5170BRM50-RL7	ADI	获取价格	256-Position Two-Time Programmable I2C Digital Potentiometer
AD5170BRMZ100	ADI	获取价格	256-Position, Two-Time Programmable, I<sup>2</sup>C Compatible Digital Potenti
AD5170BRMZ2.5	ADI	获取价格	256-Position, Two-Time Programmable, I<sup>2</sup>C Compatible Digital Potenti
AD5170EVAL	ADI	获取价格	256-Position Two-Time Programmable I2C Digital Potentiometer

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