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SigmaTel, Inc.
Data Sheet
STAC9721
40
04/07/00
04/07/00
Table 33: Reduced Analog Power Settings Typical Supply Current
Condition
3.3V Analog
5V Analog
Default Analog Current
Reset
All Un-Muted
ADC, LINE Thru, PC_BEEP active
DAC, LINE Thru, PC_BEEP active
All but DAC and ADC
30
65
36
51
41
40
82
60
57
47
-25% Analog Current
Reset
All Un-Muted
ADC, LINE Thru, PC_BEEP active
DAC, LINE Thru, PC_BEEP active
All but DAC and ADC
24
52
29
41
33
32
67
50
46
37
-50% Analog Current
Reset
All Un-Muted
ADC, LINE Thru, PC_BEEP active
DAC, LINE Thru, PC_BEEP active
All but DAC and ADC
17
38
21
30
24
This Setting Not
Recommended
+25% Analog Current
Reset
All Un-Muted
ADC, LINE Thru, PC_BEEP active
DAC, LINE Thru, PC_BEEP active
All but DAC and ADC
35
75
43
54
48
46
94
69
67
55