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Data Sheet
POWER SUPPLY SEQUENCING
POWER-UP SEQUENCE
The recommended power-up sequence of the ADV7612 is to
power up the 3.3 V supplies first, followed by the 1.8 V supplies.
Reset should be held low while the supplies are powered up.
ADV7612
POWER-DOWN SEQUENCE
The ADV7612 supplies may be de-asserted simultaneously as
long as a higher rated supply does not go below a lower rated
supply.
Alternatively, the ADV7612 may be powered up by asserting all
supplies simultaneously. In this case, care must be taken while the
supplies are being established to ensure that a lower rated supply
does not go above a higher rated supply level.
3.3V
1.8V
3.3V SUPPLIES
POWER-UP
3.3V SUPPLIES
1.8V SUPPLIES
1.8V SUPPLIES
POWER-UP
Figure 7. Recommended Power-Up Sequence
Rev. E | Page 11 of 20
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