WAU8812EVB Nuvoton Technology Corporation of America, WAU8812EVB Datasheet - Page 10

• Manufacturer Part Number: WAU8812EVB
• Description: BOARD EVALUATION FOR WAU8812
• Manufacturer: Nuvoton Technology Corporation of America

Specifications of WAU8812EVB

• Main Purpose: Audio, CODEC
• Embedded: No
• Utilized Ic / Part: WAU8812
• Primary Attributes: Mono Codec, DAC 93dB SNR, ADC 91dB SNR, 8 ~ 48 kHz, 0.8 W Speaker Driver
• Secondary Attributes: Automatic Level Control, PGA, I2S, PCM, PLL, 2-Wire or SPI Interfaces
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

10. DIGITAL FILTER CHARACTERISTICS
TERMINOLOGY
1. Stop Band Attenuation (dB) – the degree to which the frequency spectrum is attenuated (outside audio band)
2. Pass-band Ripple – any variation of the frequency response in the pass-band region
3. Note that this delay applies only to the filters and does not include
emPowerAudio
Preliminary Datasheet Revision 0.85
™
ADC Filter
Passband
Passband Ripple
Stopband
Stopband
Attenuation
Group Delay
ADC High Pass Filter
High Pass Filter
Corner Frequency
DAC Filter
Passband
Passband Ripple
Stopband
Stopband
Attenuation
Group Delay
PARAMETER
Table 57 Digital Filter Characteristics
CONDITIONS
+/- 0.025dB
+/- 0.035dB
f > 0.546*fs
f > 0.546*fs
-0.5dB
-0.1dB
TEST
-6dB
-3dB
-6dB
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0.546*fs
0.546*fs
MIN
-60
-55
0
0
0.5*fs
0.5*fs
21/fs
29/fs
TYP
10.4
21.6
3.7
+/-0.025
+/-0.035
0.454*fs
0.454*fs
MAX
UNIT
dB
dB
Hz
dB
dB
October 2008