AD5171EVAL屬于開(kāi)發(fā)板套件編程器的評(píng)估演示板及套件。由亞德諾半導(dǎo)體技術(shù)有限公司制造生產(chǎn)的AD5171EVAL評(píng)估和演示板及套件該系列產(chǎn)品提供了一種方便的方法，在經(jīng)過(guò)驗(yàn)證的實(shí)施環(huán)境中評(píng)估某些重點(diǎn)器件的性能或特性。評(píng)估方法通常有完善的文檔說(shuō)明，并且視乎具體情況由評(píng)估軟件提供支持。產(chǎn)品通常由印刷電路板組成，板上已裝有重點(diǎn)器件以及必要或有用的支持元器件，另外也可能包括其他組件，例如電纜或電源。對(duì)于數(shù)量特別多或類(lèi)別獨(dú)特的器件類(lèi)別(如 ADC、DAC 和開(kāi)關(guān)模式電源)，評(píng)估平臺(tái)可組合為一個(gè)單獨(dú)的產(chǎn)品系列。

GENERAL DESCRIPTION

The AD5171 is a 64-position, one-time programmable (OTP) digital potentiometer 2 that uses fuse link technology to achieve the memory retention of the resistance setting function. OTP is a cost-effective alternative over the EEMEM approach for users who do not need to reprogram new memory settings in the digital potentiometer. This device performs the same electronic adjustment function as most mechanical trimmers and variable resistors.

FEATURES

64 position

One-time programmable (OTP) set-and-forget resistance setting—low cost alternative over EEMEM

Unlimited adjustments prior to OTP activation

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

Low temperature coefficient: 5 ppm/°C in potentiometer mode

Low temperature coefficient: 35 ppm/°C in rheostat mode

Compact standard 8-lead SOT-23 package

Low power: IDD = 10 μA maximum

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

I2C-compatible digital interface

Computer software replaces microcontroller in factory programming applications

Full read/write of wiper register

Extra I2C device address pin

Low operating voltage: 2.7 V to 5.5 V

OTP validation check function

Automotive temperature range: ?40°C to +125°C

APPLICATIONS

System calibrations

Electronics level settings

Mechanical trimmers and potentiometer replacements

Automotive electronics adjustments

Gain control and offset adjustments

Transducer circuit adjustments

Programmable filters up to 1.5 MHz BW 1