Datasheet > AD5173BRMZ2.52

AD5173BRMZ2.52

更新时间： 2024-09-17 12:41:39

品牌	Logo	应用领域
亚德诺 - ADI		电位器
页数	文件大小	规格书
24页	864K
描述
256-Position, One-Time Programmable, Dual-Channel, I2C Digital Potentiometers

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AD5173BRMZ2.52 数据手册

256-Position, One-Time Programmable,

Dual-Channel, I²C Digital Potentiometers

AD5172/AD5173

FEATURES

FUNCTIONAL BLOCK DIAGRAMS

2-channel, 256-position potentiometers

One-time programmable (OTP) set-and-forget resistance

setting provides a low cost alternative to EEMEM

Unlimited adjustments prior to OTP activation

OTP overwrite allows dynamic adjustments with user-

defined preset

FUSE

LINKS

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

Compact 10-lead MSOP: 3 mm × 4.9 mm

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

Full read/write of wiper register

Power-on preset to midscale

Extra package address decode pins: AD0 and AD1 (AD5173)

Single supply: 2.7 V to 5.5 V

RDAC

GND

SDA

SCL

SERIAL INPUT

Figure 1. AD5172 Functional Block Diagram

Low temperature coefficient: 35 ppm/°C

Low power: I_DD= 6 μA maximum

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

APPLICATIONS

FUSE

LINKS

Systems calibration

Electronics level setting

Mechanical trimmers replacement in new designs

Permanent factory PCB setting

Transducer adjustment of pressure, temperature, position,

chemical, and optical sensors

RDAC

GND

AD0

AD1

ADDRESS

DECODE

RF amplifier biasing

Automotive electronics adjustment

Gain control and offset adjustment

SDA

SCL

SERIAL INPUT

Figure 2. AD5173 Functional Block Diagram

GENERAL DESCRIPTION

The AD5172/AD5173 are dual-channel, 256-position, one-time

programmable (OTP) digital potentiometers¹that employ fuse

link technology to achieve memory retention of resistance

settings. OTP is a cost-effective alternative to EEMEM for users

who do not need to program the digital potentiometer setting

in memory more than once. These devices perform the same

electronic adjustment function as mechanical potentiometers or

variable resistors but with enhanced resolution, solid-state reliabil-

ity, and superior low temperature coefficient performance.

before permanently setting the resistance value. During OTP

activation, a permanent blow fuse command freezes the wiper

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

Unlike traditional OTP digital potentiometers, the AD5172/

AD5173 have a unique temporary OTP overwrite feature that

allows for new adjustments even after a fuse is blown. However,

the OTP setting is restored during subsequent power-up condi-

tions. This allows users to treat these digital potentiometers as

volatile potentiometers with a programmable preset.

The AD5172/AD5173 are programmed using a 2-wire, I²C®-

compatible digital interface. Unlimited adjustments are allowed

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

Rev. H

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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AD5173BRMZ2.5-RL7	ADI	获取价格	256-Position, One-Time Programmable, Dual Channel, I<sup>2</sup>C Digital Pote
AD5173BRMZ2.5-RL72	ADI	获取价格	256-Position, One-Time Programmable, Dual-Channel, I2C Digital Potentiometers
AD5173BRMZ50	ADI	获取价格	256-Position, One-Time Programmable, Dual Channel, I<sup>2</sup>C Digital Pote
AD5173BRMZ502	ADI	获取价格	256-Position, One-Time Programmable, Dual-Channel, I2C Digital Potentiometers
AD5173BRMZ50-RL7	ADI	获取价格	256-Position, One-Time Programmable, Dual Channel, I<sup>2</sup>C Digital Pote
AD5173BRMZ50-RL72	ADI	获取价格	256-Position, One-Time Programmable, Dual-Channel, I2C Digital Potentiometers
AD5173EVAL1	ADI	获取价格	256-Position One-Time Programmable Dual-Channel I2C Digital Potentiometers
AD5174	ADI	获取价格	Single-Channel, 1024-Position, Digital Rheostat with SPI Interface and 50-TP Memory
AD5174BCPZ-10-R2	ADI	获取价格	Single-Channel, 1024-Position, Digital Rheostat with SPI Interface and 50-TP Memory
AD5174BCPZ-10-RL7	ADI	获取价格	Single-Channel, 1024-Position, Digital Rheostat with SPI Interface and 50-TP Memory

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