WAU8822YG Nuvoton Technology Corporation of America, WAU8822YG Datasheet - Page 12

• Manufacturer Part Number: WAU8822YG
• Description: IC STER AUDIO CODEC 24BIT 32-QFN
• Manufacturer: Nuvoton Technology Corporation of America
• Series: emPowerAudio™r
• Type: Stereo Audior

Specifications of WAU8822YG

• Data Interface: I²C, Serial
• Resolution (bits): 24 b
• Number Of Adcs / Dacs: 2 / 2
• Sigma Delta: Yes
• S/n Ratio, Adcs / Dacs (db) Typ: 90 / 94
• Voltage - Supply, Analog: 2.5 V ~ 3.6 V
• Voltage - Supply, Digital: 1.65 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 32-QFN
• For Use With: WAU8822EVB - BOARD EVALUATION FOR WAU8822
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

2.2
WAU8822 has flexible power management capability which allows sections not being used to be powered down, to
draw minimum current in battery-powered applications. Table – shows typical power consumption in different
operating conditions.
WAU8822 Data Sheet Rev 0.86
emPowerAudio
Mode
OFF
Sleep
Stereo
Record
Stereo
Playback
Power Consumption
™
Conditions
VREF off, no clocks,
VREF maintained @ 75kΩ, no clocks,
VREF maintained @ 300kΩ, no clocks,
VREF maintained @ 5kΩ, no clocks,
8kHz
8kHz, PLL on
16Ω HP, 44.1kHz, PLL on, sine wave
16Ω HP, 44.1kHz, quiescent
16Ω HP, 44.1kHz, white noise
16Ω HP, 44.1kHz, sine wave
16Ω HP, 44.1kHz, PLL on, sine wave
Table 1: Typical Power Consumption in Various Application Modes.
Page 12 of 21
VDDA
= 3V
10.4
24.5
22.0
24.5
mA
tbd
0.1
0.0
0.0
0.3
7.9
4.4
7.2
VDDC
= 1.8V
0.001
0.001
0.001
0.001
mA
tbd
1.7
2.9
8.2
6.2
6.5
6.8
8.2
VDDB
0.0003
0.0003
0.0003
0.0003
0.005
0.005
0.005
0.005
= 3V
0.07
0.07
0.07
mA
tbd
September 4, 2008
Power
Total
0.045
0.025
mW
0.15
0.78
26.7
36.6
88.5
24.4
33.3
78.3
88.5
tbd