AD5263 (AD5263BRUZ20) Query

Question

I am planning to use DigiPot AD5263BRUZ20 ( Digital Potentiometer IC Quad 8-Bit I2C) in my H/W setup for gain setting. Earlier it has 4 potentiometer in design (not digital pot), now I want to replace it with Digipot. Each digipot (out of 4) will be having different resistance value and need to be there all time. 
 My queries are: 
 1) Does AD5263BRUZ20 has independent pot settings? 
 2) Since digital lines for all pots are same, will all 4 pot's will be active same time with different resistance value? 
 3) Is there any other suitable part having 4 channels? 
 Thanks.

rrosario · Accepted Answer

Hi Vaibhav, 
 1. Yes, the settings for each potentiometer are independently set. The RDAC channel is selected with the A1 & A0 bits of the data word. 
 2. Yes, all the potentiometer can be active at the same time with their value setting. 
 3. Only the AD5263 is a quad channel 20kohm potentiometer. You can check the selection table for digital potentiometers and see if the other 4 channel potentiometers can be applicable to your application. 
 http://www.analog.com/en/parametricsearch/10982 
 Best regards, 
 Rainier

Electronic Design Services - PartnerZone

AD5263 (AD5263BRUZ20) Query

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