WAU8822YG Nuvoton Technology Corporation of America, WAU8822YG Datasheet - Page 3

• 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

Pin Descriptions
WAU8822 Data Sheet Rev 0.86
emPowerAudio
Pin #
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
1
2
3
4
5
6
7
8
9
LLIN/GPIO2
RLIN/GPIO3
CSB/GPIO1
AUXOUT1
AUXOUT2
RSPKOUT
LSPKOUT
ADCOUT
MICBIAS
VDDSPK
RAUXIN
LAUXIN
VSSSPK
RMICN
LMICN
DACIN
LMICP
RMICP
MODE
™
MCLK
VDDC
VDDB
VDDA
BCLK
Name
VSSD
SCLK
VREF
VSSA
SDIO
RHP
LHP
FS
Analog Output
Analog Output
Analog Output
Analog Output
Analog Output
Analog Output
Analog Output
Analog Input /
Analog Input /
Digital Output
Analog Input
Analog Input
Analog Input
Analog Input
Analog Input
Analog Input
Digital Input
Digital Input
Digital Input
Digital Input
Digital I/O
Digital I/O
Digital I/O
Digital I/O
Digital I/O
Digital I/O
Reference
Supply
Supply
Supply
Supply
Supply
Supply
Supply
Type
Page 3 of 21
Functionality
Left MICP Input (common mode)
Left MICN Input
Left Line Input / alternate Left MICP Input / GPIO2
Right MICP Input (common mode)
Right MICN Input
Right Line Input/ alternate Right MICP Input / Digital Output
In 4-wire mode: Must be used for GPIO3
Digital Audio DAC and ADC Frame Sync
Digital Audio Bit Clock
Digital Audio ADC Data Output
Digital Audio DAC Data Input
Master Clock Input
Digital Ground
Digital Core Supply
Digital Buffer (Input/Output) Supply
3-Wire MPU Chip Select or GPIO1 multifunction input/output
3-Wire MPU Clock Input / 2-Wire MPU Clock Input
3-Wire MPU Data Input / 2-Wire MPU Data I/O
Control Interface Mode Selection Pin
Left Auxiliary Input
Right Auxiliary Input
Headphone Ground / Mono Mixed Output / Line Output
Headphone Ground / Line Output
BTL Speaker Positive Output or Right high current output
Speaker Ground (ground pin for RSPKOUT, LSPKOUT,
AUXOUT2 and AUXTOUT1 output drivers)
BTL Speaker Negative Output or Left high current output
Speaker Supply (power supply pin for RSPKOUT, LSPKOUT,
AUXOUT2 and AUXTOUT1 output drivers)
Decoupling for Midrail Reference Voltage
Analog Ground
Headphone Positive Output / Line Output Right
Headphone Negative Output / Line Output Left
Analog Power Supply
Microphone Bias
September 4, 2008