WM8738

Production Data

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PD Rev 4.4 August 2006

10

Figure 3 Typical Power up sequence where DVDD is powered before AVDD

DVDD

AVDD

CAP

V

porr

DGND

AGND

AGND

Internal POR active

LO

HI

Device Ready

Internal

POR active

No Power

POR

Undefined

V

pora_off

V

pora

INTERNAL PORB

Figure 4 Typical Power up sequence where AVDD is powered before DVDD

Typical POR Operation (typical values, not tested)

SYMBOL

MIN

TYP

MAX

UNIT

0.5

0.7

1.0

V

0.5

0.7

1.1

V

1.0

1.4

2.0

V

0.6

0.8

1.0

V