wm8974gefl-v Wolfson Microelectronics plc, wm8974gefl-v Datasheet - Page 64
wm8974gefl-v
Manufacturer Part Number
wm8974gefl-v
Description
Mono Codec With Speaker Driver
Manufacturer
Wolfson Microelectronics plc
Datasheet
1.WM8974GEFL-V.pdf
(87 pages)
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WM8974
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Table 62 AVDD Supply Current
Table 59 shows the estimated 3.3V AVDD current drawn by various circuits, by register bit.
BUFDCOPEN
MONOEN
PLLEN
MICBEN
BIASEN
BUFIOEN
VMIDSEL
BOOSTEN
INPPGAEN
ADCEN
MONOEN
SPKPEN
SPKNEN
MONOMIXEN
SPKMIXEN
DACEN
REGISTER BIT
0.1
0.2
1.4 (with clocks applied)
0.5
0.3
0.1
10K=>0.3, less than 0.1 for 50k/500k
0.2
0.2
x64 (ADCOSR=0)=>2.6, x128 (ADCOSR=1)=>4.9
0.2
1mA from SPKVDD + 0.2mA from AVDD in 5V mode
1mA from SPKVDD + 0.2mA from AVDD in 5V mode
0.2
0.2
x64 (DACOSR=0)=>1.8, x128(DACOSR=1)=>1.9
AVDD CURRENT (MILLIAMPS)
PD, Rev 4.5, September 2008
Production Data
64
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