WAU8822YG Nuvoton Technology Corporation of America, WAU8822YG Datasheet - Page 8

• 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

Absolute Maximum Ratings
VDDB, VDDC, VDDA supply voltages
VDDSPK supply voltage (default register configuration)
VDDSPK supply voltage (optional low voltage configuration)
Core Digital Input Voltage range
Buffer Digital Input Voltage range
Analog Input Voltage range
Industrial operating temperature
Storage temperature range
CAUTION: Do not operate at or near the maximum ratings listed for extended periods of time. Exposure to such conditions may
adversely influence product reliability and result in failures not covered by warranty.
Operating Conditions
Digital supply range (Core)
Digital supply range (Buffer)
Analog supply range
Speaker supply (SPKBST=0)
Speaker supply (SPKBST=1)
Ground
1. VDDA must be ≥ VDDC.
2. VDDB must be ≥ VDDC.
WAU8822 Data Sheet Rev 0.86
emPowerAudio
™
Condition
Condition
Page 8 of 21
VDDSPK
VDDSPK
VSSSPK
Symbol
VDDC
VDDB
VDDA
VSSD
VSSA
VSSD – 0.3
VSSD – 0.3
VSSA – 0.3
Min
-0.3
-0.3
-0.3
-40
-65
Min
1.65
1.65
2.50
2.50
2.50
Typical
VDDC + 0.30
VDDB + 0.30
VDDA + 0.30
0
+3.90
+5.80
+3.90
+150
Max
+85
September 4, 2008
Max
3.60
3.60
3.60
5.50
5.50
Units
°C
°C
V
V
V
V
V
V
Units
V
V
V
V
V
V