WAU8822YG Nuvoton Technology Corporation of America, WAU8822YG Datasheet - Page 5

• 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

Conditions: VDDC = 1.8V, VDDA = VDDB = VCCSPK = 3.3V, MCLK = 12.88MHz, T
24-bit audio data, 64X oversampling rate, unless otherwise stated.
Parameter
Analog to Digital Converter (ADC)
Full scale input signal
Signal-to-noise ratio
Total harmonic distortion
Channel separation
Digital to Analog Converter (DAC) driving RHP / LHP with 10kΩ / 50pF load
Full-scale output
Signal-to-noise ratio
Total harmonic distortion
Channel separation
Output Mixers
Maximum PGA gain into mixer
Minimum PGA gain into mixer
PGA gain step into mixer
Speaker Output (RSPKOUT / LSPKOUT with 8Ω bridge-tied-load)
Full scale output
Total harmonic distortion
Signal-to-noise ratio
Power supply rejection ratio
(50Hz - 22kHz)
Analog Outputs (RHP / LHP; RSPKOUT / LSPKOUT)
Maximum programmable gain
Minimum programmable gain
Programmable gain step size
Mute attenuation
WAU8822 Data Sheet Rev 0.86
emPowerAudio
™
4
1
2
2
2
Symbol
THD+N
THD+N
THD+N
PSRR
V
SNR
SNR
SNR
Electrical Characteristics
INFS
Comments/Conditions
PGABST = 0dB
PGAGAIN = 0dB
Gain = 0dB, A-weighted
Input = -3dB FS input
1kHz input signal
Output boost disabled
Output boost enabled
A-weighted
R
1kHz input signal
Guaranteed monotonic
SPKBST = 1
SPKBST = 0
P
VDDSPK=3.3V
P
VDDSPK = 3.3V
P
VDDSPK = 5V
P
VDDSPK = 5V
VDDSPK = 3.3V
VDDSPK=5V
VDDSPK = 5V (boost)
Guaranteed monotonic
1kHz full scale signal
Page 5 of 21
o
o
o
o
L
PGA gains = 0dB
AUX1BST = 1
AUX2BST = 1
PGA gains = 0dB
AUX1BST = 0
AUX2BST = 0
= 200mW
= 320mW
= 500mW,
= 860mW,
= 10kΩ; full-scale signal
,
,
Min
tbd
88
A
(VCCSPK / 3.3) * 1.5
= +25°C, 1kHz signal, fs = 48kHz,
1.5 * (VDDA / 3.3)
VCCSPK / 3.3
VDDA / 3.3
Typ
103
*63
-80
-84
-15
-64
-60
-61
-57
1.0
+6
+6
90
94
96
91
90
81
72
85
0
3
1
September 4, 2008
Max
tbd
tbd
Units
Vrms
dBV
V
V
V
V
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
rms
rms
rms
rms