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7403 PDF даташит

Спецификация 7403 изготовлена ​​​​«STMicroelectronics» и имеет функцию, называемую «BASIC SIGNAL PROCESSOR».

Детали детали

Номер произв 7403
Описание BASIC SIGNAL PROCESSOR
Производители STMicroelectronics
логотип STMicroelectronics логотип 

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7403 Даташит, Описание, Даташиты
® TDA7403
DEVICE INCLUDES AUDIO PROCESSOR,
STEREO DECODER AND NOISEBLANKER
HIGH PERFORMANCE SIGNAL PROCES-
SOR WITH BASIC FUNCTIONS
AM, FM, MPX AND CASSETTE INPUTS
NO EXTERNAL COMPONENTS REQUIRED
FULLY PROGRAMMABLE VIA I2C BUS
LOW DISTORTION AND NOISE
DESCRIPTION
The TDA7403 is a high performance signal proc-
essor specifically designed for car radio applica-
tions focused on the low-end market.
The device includes a complete audioprocessor
and a stereo decoder with noiseblanker.
Switched-capacitors design technique allows to
obtain all these features without external compo-
nents or adjustments. Using TDA7403 results is
in a very performant low-cost signal processing
BLOCK DIAGRAM
BASIC SIGNAL PROCESSOR
PRELIMINARY DATA
SO20
ORDERING NUMBER: TDA7403D
application
The device is fully programmable by I2C bus in-
terface allowing to customize key device parame-
ters and especially filter characteristics.
The BICMOS process combined with the opti-
mized signal processing assure low noise and
low distortion performances.
8
AM
CASS R
CASS L
1
2
INPUT
MULTIPLEXER
+
AUTO ZERO
VOLUME
SM
11
SOFT
MUTE
TREBLE
BASS
DIGITAL CONTROL
OUT LR
OUT LF
OUT RR
OUT RF
17
19
16
18
OUT LR
OUT LF
OUT RR
OUT RF
I2C BUS
12
SCL
13
SDA
9
MPX
80KHz
LP
FM R
FM L
PILOT
CANCELLATION
DEMODULATOR
+ STEREO ADJUST
+ STEREO BLEND
25KHz
LP
S&H
HIGH
CUT
CONTROL
15
VS
SUPPLY
PLL
PIL
DET
14 20
GND CREF
NOISE
BLANKER
PULSE
FORMER
D
A
10
LEVEL
D98AU918
October 1998
1/26
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice.









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7403 Даташит, Описание, Даташиты
TDA7403
ABSOLUTE MAXIMUM RATINGS
Symbol
VS
Tamb
Tstg
SUPPLY
Parameter
Operating Supply Voltage
Operating Ambient Temperature Range
Operating Storage Temperature Range
Symbol
VS
IS
SVRR
Parameter
Supply Voltage
Supply Current
Ripple Rejection @ 1KHz
Test Condition
VS = 9V
Audioprocessor (all filters flat)
Stereodecoder + Audioprocessor
Value
10.5
-40 to 80
-55 to 150
Min.
7.5
25
Typ.
9
30
60
55
Max.
10
35
Unit
V
°C
°C
Unit
V
mA
dB
dB
ESD
All pins are protected against ESD according to the MIL883 standard.
PIN CONNECTION
CASS R
CASS L
N.C.
N.C.
N.C.
N.C.
N.C.
AM
MPX
LEVEL
1 20
2 19
3 18
4 17
5 16
6 15
7 14
8 13
9 12
10 11
D98AU919
CREF
OUT LF
OUT RF
OUT LR
OUT RR
VS
GND
SDA
SCL
SM
THERMAL DATA
Symbol
Rth-j pins
Parameter
Thermal Resistance Junction-pins
Value
Max 85
Unit
°C/W
2/26









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7403 Даташит, Описание, Даташиты
PIN DESCRIPTION
N. Name
1 CASSR Cassette Input Right
2 CASSL Cassette Input Left
3 n.c. not connected
4 n.c. not connected
5 n.c. not connected
6 n.c. not connected
7 n.c. not connected
8 AM AM Input
9
MPX
FM Input (MPX)
10 LEVEL Level Input Stereodecoder
11 SM Soft Mute Drive
12 SCL I2C Clock Line
13
SDA
I2C Data Line
14
GND
Supply Ground
15 VS Supply Voltage
16 OUTRR Right Rear Speaker Output
17 OUTLR Left Rear Speaker Output
18 OUTRF Right Front Spaeaker Output
19 OUTLF Left Front Speaker Output
20 CREF Reference Capacitor Pin
Function
(1) See input configuration tree and databyte specification ”configuration”
Pin type legenda:
I = Input
O = Output
I/O = Input/Output
S = Supply
TDA7403
Type
I
I
I
I
I
I
I/O
I/O
S
S
O
O
O
O
S
3/26










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