參數(shù)資料
型號: TDA7500
廠商: 意法半導體
英文描述: DIGITAL AM/FM SIGNAL PROCESSOR
中文描述: 數(shù)字調(diào)幅/調(diào)頻信號處理器
文件頁數(shù): 12/14頁
文件大?。?/td> 153K
代理商: TDA7500
digital domain and performs AM/FM processing
and audio/sound processing. Thanks to this, it is
possible to process any audio source as well ana-
log as digital in parallel, to record FM mono for
traffic information, telephone response, naviga-
tion and RDS. Finally the digital signals are D/A
converted and sent to the TDA7501 for the final
level adjustment and for the analog volume con-
trol.
DLY
DLY
DLY
HP
PEQ
T
B
LD
DRC
RM
ANR
SM
+
DLY
HP
PEQ
T
B
LD
DRC
ANR
SM
DLY
LP
Audio
noise
reduction
Dynamic
range
compression
Loudness Bass
Treble Parametric
equaliser
Soft
mute
Routing
matrix
Delay
Stereo
input
RF
CF
LF
RR
LR
SW
Figure 1. Software Block Diagram of Audio & Sound Processing
TDA7501
ANALOG INPUT
TDA7500
FRONT END
TDA7421
AUDIO POWER
DISPLAY
MICRO
DIGITAL OUT
MAIN
MICRO
DRAM/
SRAM
EEPROM/
FLASH
DIGITAL IN
SPDIF
I
2
C/SPI
D98AU946A
A/D
D/A
Figure 2. Block Diagram of Car Amplifier Audio Sub-System.
TDA7500
12/14
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TDA7501 LINE-DRIVER FOR DIGITAL CARRADIO SIGNAL PROCESSOR
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