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(AD1674JRZ) Is it okay to give logic supply without giving power supply

Category: Hardware
Product Number: AD1674JRZ

Hi. I am using Analog to digital converter part number AD1674JRZ in my board which also has FPGA and other circuits. we thought of only turning ON the FPGA at first and check if i can configure it. The problem is if I give 5V supply to the board, it will also go to the logic input of the ADC. I don't want to turn on the ADC yet by giving +/-15V. So, I am wondering is it okay for the ADC to have logic +5V input without the power supply input +/-15V. Please share your thoughts. Thanks