WAU8812YG Nuvoton Technology Corporation of America, WAU8812YG Datasheet - Page 3

• Manufacturer Part Number: WAU8812YG
• Description: IC MON AUD CODEC SPKR DVR 32-QFN
• Manufacturer: Nuvoton Technology Corporation of America
• Series: emPowerAudio™r
• Type: Audio Codecr

Specifications of WAU8812YG

• Data Interface: Serial
• Number Of Adcs / Dacs: 1 / 1
• Sigma Delta: No
• S/n Ratio, Adcs / Dacs (db) Typ: 91 / 93
• Voltage - Supply, Analog: 2.5 V ~ 3.6 V
• Voltage - Supply, Digital: 1.71 V ~ 1.95 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 32-QFN
• For Use With: WAU8812EVB - BOARD EVALUATION FOR WAU8812
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

4.
emPowerAudio
Preliminary Datasheet Revision 0.85
VREF
MIC-
MIC+
MICBIAS
NC
VDDA
VSSA
VSSA
VDDL
VDDC
VDDB
VSSD
VSSD
ADCOUT
DACIN
FS
BCLK
MCLK
CSb/GPIO
SCLK
SDIO
SO
MODE
NC
MOUT
SPKOUT+
VSSSPK
VSSSPK
SPKOUT-
VDDSPK
VDDSPK
AUX
Pin Name
PIN DESCRIPTION
™
28-Pin
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
1
2
3
4
5
6
7
8
9
-
-
-
-
32-Pin
Table 1: Pin Description for SSOP and QFN Packages
29
30
31
32
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
1
2
3
4
5
6
7
8
9
SPI Chip Select or General Purposes 1 I/O
SPI Data In or 2-Wire I/O
SPI Data Output
No Connect
Decoupling internal analog mid supply reference
Microphone Negative Input
Microphone Positive Input
Microphone Bias
No Connect
Analog Supply
Analog Ground
Analog Ground
Logic supply voltage. This pin should not be hooked
up to an external supply
Digital Supply Core
Digital Supply Buffer
Digital Ground
Digital Ground
Digital Audio Data Output
Digital Audio Data Input
Frame Sync
Bit Clock
Master Clock
SPI or 2-Wire Serial Clock
Interface Select (2-Wire or SPI)
MONO Output
Speaker Positive Output
Speaker Ground
Speaker Ground
Speaker Negative Output
Speaker Supply
Speaker Supply
Auxiliary Input
Page 3 of 15
Functionality
October 2008
A/D
A
A
A
A
A
A
A
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
A
A
A
A
A
A
A
A
Pin Type
I/O
I/O
I/O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
I
I
I
I
I
I
I
I
I
I
I
I