Hi Kuramochi,
PCM1802 does not have a startup sequence, but it is required that the supply rails be within 3V of each other because of internal clamping structures between the rails. Attached is an app report with more information!
PCM1xxx_Power_Sequencing_AppNote…
Part Number: PCM1789 Other Parts Discussed in Thread: PCM1803A , PCM1748 Hello,
Our customer is trying to replace a DAC to PCM1789 in current market situation.
They have found existing application note as attached which described Power sequence limitation…
