Data Sheet

ADV7612

Rev. D | Page 11 of 20

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.

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.

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.

3.3V

1.8V

3.3V SUPPLIES

1.8V SUPPLIES

1.8V SUPPLIES

POWER-UP

3.3V SUPPLIES

POWER-UP

Figure 7. Recommended Power-Up Sequence