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Here are examples of INL plots referring to the DACs’ accuracy. As can be seen from the plots, the INL is endpoint corrected and does not include either gain or offset error. The INL error at zero-scale and full-scale is zero. Both the AD5660 and the AD5060 from Analog Devices are uni-polar 16-bit DACs. While they can both resolve to 16 bits, it is clear from the INL plot shown that the AD5660 is not 16-bit accurate. While the AD5660 could easily be used in a closed loop application, the AD5060 would be a better choice for an open loop application. 

PTM Published on: 2012-10-09