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3 - Audio System PAMS Technical Documentation
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The audio relevant supply voltages are shown in the following table:
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Supply Voltages
Line
Symbol
Minimum TYP. /
Nominal
Maximum Unit Notes
Vana 2.7 2.78 2.86 V (Mic bias buffer)
0,005 80 mA Min. due to regulator stability
VBAT 3.1 (SW)
(2.9 (HW))
3.6 5.1 (SW)
(5.4 (HW))
V (Buzzer and Vibra driver). Min and
max due to SW cut off.
Vflash1 2.7 2.78 2.86 V (DLR3, HEADINT and HOOKINT pull
up)
0.005 70 mA Min. due to regulator stability
0.005 1.5 mA Sleep
Vflash2 2.7 2.78 2.86 V (DLR3)
0.005 40 mA Min. due to regulator stability
VIO 1.72 1.8 1.88 V (HOOKINT level shifter)