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AD5560: What is the relationship between Power supplies, Iclamps, and Force DAC range (reg 0x9) ?

Question asked by jChakuroff on Aug 2, 2016
Latest reply on Aug 2, 2016 by jChakuroff

Example:

What would be the minimum Supply voltages if the output range was limited to +/-12 volts via reg 0x9 ?

How would I calculate the supplies if the range was 0 to + 22 volts, or -20 to 0 volts ?

 

We have had issues where some AD5560 Iclamps did not function properly (parametric or full collapse of clamps).

Usually increasing the supply(ies) corrected the problem.

We obviously want to stay far away from (AVdd - AVss) < 34 as possible.

 

Thanks,

Jim

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