參數(shù)資料
型號(hào): TDA7402
廠商: STMICROELECTRONICS
元件分類(lèi): 消費(fèi)家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP44
封裝: 10 X 10 MM, 1.40 MM HEIGHT, TQFP-44
文件頁(yè)數(shù): 68/69頁(yè)
文件大小: 865K
代理商: TDA7402
Pin connections and block diagram
TDA7402
Figure 2.
Block diagram
INPUT
-
MUL
TIPLEXER
FD1L+
MUX
CHG
AM
AU
X
MAIN
NA
VI
PHONE
FD1L-
FD1R+
FD1R-
FD2L+
FD2L-
FD2R+
FD2R-
SEL
SEN
MPX
SER
MD1
MD1G
MD2
MD2G
MAIN
SOURCE
SELECT
OR
IN-GAIN
+
A
U
T
O
ZER
O
LOUDNESS
PILO
T
CANCELLA
TION
MUL
TIP
A
T
H
DETECT
OR
AM/FM
NOISE
BANKER
PULSE
FORMER
DEMODULA
T
O
R
+
STEREO
ADJUST
+
STEREO
BLEND
DIGIT
AL
CONTR
OL
IIC
B
U
S
COMP
ANDER
ANTI
CLIP
.
INPUT
TREBLE
SOFT
MUTE
MIXING
SELECT
OR
SECOND
SOURCE
SELECT
OR
SOFT
STEP
V
OLUME
BASS
MUTE
IN
GAIN
P
A
USE
PIL.
DET
.
PLL
80KHz
LP
BEEP
FR
ONT
A
CIN
REAR
SW
HP
LP
V
OICE
BANDP
ASS
OUTPUT
SELECT
OR
MIXER
MONO-F
ADER
MONO-F
ADER
SM
+
ACOUTL
ACOUTR
MONO-F
ADER
MONO-F
ADER
SUBW
OOFER
+
PHONE
CONTR
OL
MONO-F
ADER
MONO-F
ADER
SWINR
SWINL
ACINRR
ACINRF
ACINLR
ACINLF
OUTLF
OUTLR
OUTRF
OUTRR
OUTSWL
OUTSWR
SD
A
SCL
QU
A
L
VDD
GND
CREF
OUTSSL
OUTSSR
25KHz
LP
S
&
H
D
A
HIGH
CUT
Q
U
AL.
LEVEL
D00A
U1130
MPOUT
MPIN
SUPPL
Y
AM-IF
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