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AD5228 Evaluation Kit for the 32-Position, Push Button, Up/Down Control Digital Potentiometer
http://www.analog.com/UploadedFiles/Application_Notes/60387236778705AN_712_0.pdf -
Evaluation Kit for the AD5254 Quad 256-Position I²C-Compatible Nonvolatile Memory Digital Potentiometer
The AD5254 evaluation board comes with dual op amp, AD822, and 2.5 V reference, ADR03. Users can configure various building block circuits with minimum components.
http://www.analog.com/UploadedFiles/Application_Notes/27348405436718AN729_0.pdf -
Digital Potentiometer Design Guide
Supporting digital potentiometer applications, including: band pass filtering with offset and gain trimming, amplifiers with offset and trimming, mechanical potentiometer replacement, Whetstone bridge trimming, programmable filter and general embedded system design techniques.
http://ww1.microchip.com/downloads/en/DeviceDoc/22017a.pdf -
AD5170 256-position, two-time programmable, I²C digital potentiometer
The AD5170 is a 256-position, two-time programmable, digital potentiometer that 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.
http://www.analog.com/en/prod/0,,761_797_AD5170%2C00.html -
AD5241 I²C® compatible digital potentiometer
The AD5241 and AD5242 provide a single-/dual-channel, 256-position, digitally controlled variable resistor device. These devices perform the same electronic adjustment function as a trimmer, potentiometer or variable resistor. Operating from single (+2.7 V to +5.5 V) or dual supplies (±2.7 V), these parts are ideal for applications in Multi-Media, Communications, Video and Audio equipment. Stable 30 ppm/°C, low noise settings result from internal SiCr thin film resistor technology used for the resistor segments. Additional package address decode pins allow multiple packages to share the same 2-wire I²C bus. Devices are available in the 1.1 mm thin TSSOP 16- and 14-lead packages.
http://www.analog.com/en/prod/0,,761_797_AD5241%2C00.html
