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PDF AP8048B Data sheet ( Hoja de datos )
| Número de pieza | AP8048B | |
| Descripción | Audio Application Processor | |
| Fabricantes | MVSILICON | |
| Logotipo |  |
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MVSILICON
AP8048B Audio Application Processor
AP8048B Datasheet
Audio Application Processor
(ARM Cortex-M3 based)
Rev0.9
Shanghai Mountain View Silicon Co., Ltd
http://www.mvsilicon.com
1 page  
MVSILICON
AP8048B Audio Application Processor
Encoder: MP2/MP3, IMA-ADPCM
Effects:
Echo
Reverb
MV3D
MVBASS
Pitch shifter
Parametric EQ
Dynamic Range Compression (DRC)
Acoustic Echo Cancellation (AEC)
Programmable frequency shifter for howling prevention
Fast and accurate howling detection and suppression
Serial wire debug (SWD) interface
Firmware updatable through SD/USB drive
1.2 CODEC Functional Block
Figure 1 CODEC Functional Block
Notes.
1. Adjust the system volume either through DRC pre-gain (DRC on) or mixer gain (DRC off).
2. Direct control of DAC digital volume is NOT recommended
2. Pin Description
AP8048B is a CMOS device. Floating level on input signals causes unstable device
operation and abnormal current consumption. Pull-up or Pull-down resistors should be used
appropriately for input or bidirectional pins.
Shanghai Mountain View Silicon Co., Ltd
http://www.mvsilicon.com
2
5 Page 
MVSILICON
AP8048B Audio Application Processor
4.5 Audio Performance
PARAMETER
Dynamic Range
Signal-to-Noise Ratio
THD+N
Frequency Response
Output Swing
Inter-channel Gain Mismatch
Volume Control Step
Volume Control Range
Group Delay
Inter-channel Phase Deviation
Crosstalk
TEST CONDITIONS
No Filter
With A-Weighted Filter
No Filter
With A-Weighted Filter
Peak THD+N (@0dBFS)
0dBFS
Table 6 Audio DAC Performance
MIN
TYP
93.6/93.6
MA
X
UNIT
dB
95/95
dB
95.5/95.6
dB
98/98
dB
-81/-81
dB
-75/-75
dB
0.06 dBV
0.993
Vrms
0.003
dB
TBD dB
TBD
dB
80 us
0.01 degree
-99/-98
dB
The measured output audio spectrum when the output is at -60 dBV
Shanghai Mountain View Silicon Co., Ltd
http://www.mvsilicon.com
8
11 Page | ||
| Páginas | Total 15 Páginas | |
| PDF Descargar | [ Datasheet AP8048B.PDF ] | |
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