wm8982gefl-v Wolfson Microelectronics plc, wm8982gefl-v Datasheet - Page 81

• Manufacturer Part Number: wm8982gefl-v
• Description: Mono Codec With Speaker Driver And Video Buffer
• Manufacturer: Wolfson Microelectronics plc

Pre-Production
w
Table 67 shows the estimated 3.3V AVDD current drawn by various circuits, by register bit.
Table 67 AVDD Supply Current
BUFDCOPEN
MONOMIXEN
PLLEN
MICBEN
BIASEN
BUFIOEN
VMIDSEL
BOOSTEN
INPPGAEN
ADCEN
MONOOUTEN
SPKOUTPEN
SPKOUTNEN
MIX2EN
MIX1EN
DACEN
REGISTER BIT
0.1
0.2
1.4 (with clocks applied)
0.5
0.3
0.1
5KΩ=>0.3, less than 0.1 for 75kΩ/300Ωk settings
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)
PP, Rev 3.2, September 2008
WM8982
81