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WM8976 데이터시트(PDF) 71 Page - Wolfson Microelectronics plc

부품명 WM8976
상세설명  Low Power CODEC With Speaker Driver
PDF  83 Pages
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제조업체  WOLFSON [Wolfson Microelectronics plc]
홈페이지  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8976 데이터시트(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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