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AT83SND2CMP3 датащи(PDF) 22 Page - ATMEL Corporation

номер детали AT83SND2CMP3
подробное описание детали  Single-Chip MP3 Decoder with Full Audio Interface
PDF  97 Pages
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производитель  ATMEL [ATMEL Corporation]
домашняя страница  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT83SND2CMP3 датащи(HTML) 22 Page - ATMEL Corporation

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AT83SND2CMP3
7524B–MP3–05/06
DAC Features
• 20 bit D/A Conversion
• 72dB Dynamic Range, -75dB THD Stereo line-in or microphone interface with 20dB
amplification
• 93dB Dynamic Range, -80dB THD Stereo D/A conversion
• 74dB Dynamic Range / -65dB THD for 20mW output power over 32 Ohm loads
• Stereo, Mono and Reverse Stereo Mixer
• Left/Right speaker short-circuit detection flag
• Differential mono auxiliary input amplifier and PA driver
• Audio sampling rates (Fs): 16, 22.05, 24, 32, 44.1 and 48 kHz.
Figure 20. Stereo DAC functional diagram
Digital Signals Timing
Data Interface
To avoid noises at the output, the reset state is maintained until proper synchronism is
achieved in the DAC serial interface:
•DSEL
•SCLK
•
DCLK
•DOUT
The data interface allows three different data transfer modes:
Digital Filter
Digital Filter
Volume
Control
Volume
Control
Volume
Control
Volume
Control
SPKR
DRV
32
DAC
DAC
PGA
PGA
SPKR
DRV
32
HSR
HSL
LINEL
LINER
Serial to
Parallel
Interface
DSEL
DCLK
+
+
AUXN
AUXP
AUX
PADRV
MONON
MONOP
+
+
+
DOUT
SCLK
DAC_OLC Gain
6 to -6dB (3dB)
LLIG,RLIG Gain
20,12 to -33 dB
(3dB)
AUXG Gain
PA Gain
Line Out Gain
LLOG, RLOG
0 to -46.5dB
(1.5dB)
Master Playback
Gain
12 to -34dB (1.5dB)



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