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DAC8574: DAC 8574 Not working at -25'C

Mufasir Qureshi
Prodigy 10 points
Part Number: DAC8574

Hi,

1) I want to known what is the storage temperature for DAC 8574 because it is confusing in the data sheet because negitive(-)is not mentioned.Screen shot is attached.

2) And DAC 8574 is not working properly when kept at -25 degree Centigrade for 24 hours.When temperature drops it starts working fine.At -25 C dac value remains zero.Whats the issue.?????


Regards,

Mufasir Fida Qureshi

  • 0
    TI__Genius 14220 points
    Hi Mufasir,

    Welcome to E2E and thank you for your query. The missing -ve sign is a typo. Thanks for pointing out. It is very unlikely that the DAC will show any problem within the operating and storage ranges. In order to confirm that, please make sure the following points are checked:

    1. Any condensation on the device pins
    2. Any other circuit component pulling the DAC output low

    Regards,
    Uttam Sahu
    Applications Engineer, Precision DACs