DS1886T+

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The DS1886T+ is a hot-swappable, Dual 6-bit Digital Potentiometer with non-volatile memory. It was designed with the purpose of providing a secure preference setting solution. Its main application fields are automotive, telecommunication, smart manufacturing and industrial control. This dual-channel digital potentiometer also provides a high level of accuracy, reliability and robustness for devices in these applications.

The architecture of the DS1886T+ includes two digital potentiometers with a total resistance that can range from 0 to 100Kohms. Each potentiometer is 6-bit and can be adjusted through the use of four control pins. A Write Protect pin provides added security to the settings stored in the digital potentiometer. Non-volatile, on-chip EEPROM is provided for user storage of the digital potentiometer\'s settings, preventing the settings being lost during power down conditions. The maximum power supply voltage range is from 2.5 to 6.5V.

The working principle of the DS1886T+ is quite simple. The four control pins, address and data pins, provide instructions to the digital potentiometer. With the data pins, users can adjust the output of the potentiometers, while addressing pins can select the channel. The write protect pin combinations, when enabled, lock the contents of EEPROM and prevent any further setting changes unless the correct combination is given. When the write protect pin is disabled and the combination is not entered, non-volatile settings may be written into EEPROM and stored for later recall.

The DS1886T+, by using these features, provides a wide range of applications customizability and adjustment possibilities. Its capabilities can also be extended with an external reference voltage that enables non-linear operation, if necessary. Overall, it is well suited for any application where accurate and robust user settings need to be maintained over long periods of time.

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