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2022-09-24 23:33:15
AD5162 - Dual 256-Bit SPI Digital Potentiometer
The AD5162 provides a compact 3mm x 4.9mm, dual 256-bit packaged solution for adjustment applications. This device performs the same electronic adjustment function as a three-terminal mechanical potentiometer. Available in four different end-to-end resistance values (2.5kΩ and 10kΩ, 50kΩ, 100kΩ), this low temperature coefficient device is ideal for high accuracy and stable variable resistance adjustment. The wiper settings are controlled via the SPI digital interface. A linear change in resistance between any fixed resistance wiper and endpoint is transferred to RDAC1 to latch the digital code. Supplying and consuming less than 6µA from 2.7 V to 5.5 V allows the AD5162 to be used in portable battery powered applications. For the AD5162 from the factory, Analog Devices provides device programming software applications that run on Windows® NT/2000/XP operating systems. The software effectively replaces any external SPI controller, which in turn enhances the user's system time-to-market. An evaluation board and software for the AD5162. The kit includes cables and instructions.