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WM8976 bảng dữ liệu(PDF) 71 Page - Wolfson Microelectronics plc

tên linh kiện WM8976
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nhà sản xuất  WOLFSON [Wolfson Microelectronics plc]
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WM8976 bảng dữ liệu(HTML) 71 Page - Wolfson Microelectronics plc

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Preliminary Technical Data
WM8976
w
PTD Rev 2.0 February 2005
71
Table 61 shows the estimated 3.3V AVDD current drawn by various circuits, by register bit.
REGISTER BIT
AVDD CURRENT (MILLIAMPS)
BUFDCOPEN
0.1
OUT4MIXEN
0.2
OUT3MIXEN
0.2
PLLEN
1.4 (with clocks applied)
MICBEN
0.5
BIASEN
0.3
BUFIOEN
0.1
VMIDSEL
10K=>0.3, less than 0.1 for 100k/500k
ROUT1EN
0.4
LOUT1EN
0.4
BOOSTENL
0.2
INPGAENL
0.2
ADCENL
x64 (ADCOSR=0)=>2.6, x128 (ADCOSR=1)=>4.9
OUT4EN
0.2
OUT3EN
0.2
SPKNEN
1mA from SPKVDD + 0.2mA from AVDD in 5V mode
SPKPEN
1mA from SPKVDD + 0.2mA from AVDD in 5V mode
RMIXEN
0.2
LMIXEN
0.2
DACENR
x64 (DACOSR=0)=>1.8, x128(DACOSR=1)=>1.9
DACENL
x64 (DACOSR=0)=>1.8, x128(DACOSR=1)=>1.9
Table 61 AVDD Supply Current



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