WM8974GEFL/V Wolfson Microelectronics, WM8974GEFL/V Datasheet - Page 64

• Manufacturer Part Number: WM8974GEFL/V
• Description: Audio CODECs Mono Codec with Spkr
• Manufacturer: Wolfson Microelectronics

Specifications of WM8974GEFL/V

• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: QFN-24
• Minimum Operating Temperature: - 25 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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