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WM8974GEFL/V Datasheet(PDF) 64 Page - Wolfson Microelectronics plc

Part # WM8974GEFL/V
Description  Mono CODEC with Speaker Driver
PDF  87 Pages
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Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8974GEFL/V Datasheet(HTML) 64 Page - Wolfson Microelectronics plc

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WM8974
Production Data
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PD Rev 4.2 March 2007
64
Table 59 shows the estimated 3.3V AVDD current drawn by various circuits, by register bit.
REGISTER BIT
AVDD CURRENT (MILLIAMPS)
BUFDCOPEN
0.1
MONOEN
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
BOOSTEN
0.2
INPPGAEN
0.2
ADCEN
x64 (ADCOSR=0)=>2.6, x128 (ADCOSR=1)=>4.9
MONOEN
0.2
SPKPEN
1mA from SPKVDD + 0.2mA from AVDD in 5V mode
SPKNEN
1mA from SPKVDD + 0.2mA from AVDD in 5V mode
MONOMIXEN
0.2
SPKMIXEN
0.2
DACEN
x64 (DACOSR=0)=>1.8, x128(DACOSR=1)=>1.9
Table 62 AVDD Supply Current



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