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TDA7400DSTMN/a8avaiADVANCED CAR SIGNAL PROCESSOR
TDA7400DTRSTMicroelectronicsN/a1000avaiADVANCED CAR SIGNAL PROCESSOR
TDA7400DTRSTN/a1000avaiADVANCED CAR SIGNAL PROCESSOR


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TDA7400D-TDA7400DTR
ADVANCED CAR SIGNAL PROCESSOR
gerTpra'
TDA7400D
ADVANCED CAR SIGNAL PROCESSOR
n FULLY INTEGRATED SIGNAL PROCESSOR
OPTIMIZED FOR CAR RADIO APPLICA-
FULLY PROGRAMMABLE BY Pc BUS
'' INCLUDES AUDIOPROCESSOR, STEREO -
DECODER WITH NOISE BLANKER AND
MULTIPATH DETECTOR
n PROGRAMMABLE ROLL-OFF COMPENSA-
a NO EXTERNAL COMPONENTS
DESCRIPTION
The TDA74OOD is the newcomer of the CSP fam-
ily introduced by TDA7460/61. It uses the same
innovative concepts and design technologies gl-
lowing fully software programmability through I C
bus and overall cost optimisation for the system
designer.
The device includes an audioprocessor with con-
figurable inputs and absence of external compo-
ORDERING NUMBER: TDA74OOD
stereodecoder with multipath detector and a so-
phisticated stereoblend and noise cancellation
circuitry.
Strength points of the CSP approach are flexibility
and overall cost/room saving in the application,
nents for filter settings, a last generation combined with high performances.
BLOCK DIAGRAM
CDL CDGND CDR SMUTE ACOUTL ACOUTR
VOLUME
CassR MULTIPLEXER
CassL AUTO ZERO
Ph- MUXR
Ph+ MUXL
DEMODULATOR
MPX 80KHz \ + STEREO ADJUST
LP CANCELLATION + STEREO BLEND
v 1 SUPPLY MULTIPATH-
REF DETECTOR
21 2 13
GND CREF MPIN
TREBLE
MONO-FADER OUT LR
MONO-FADER OUT LF
MONO-FADER OUT RR
MONO-FADER OUT RF
DIGITAL CONTROL
25KHZ \
FM NOISE
BLANKER
LEVEL 099AU1046
October 2003
TDA7400D
ABSOLUTE MAXIMUM RATINGS
Symbol Parameter Value Unit
Vs Operating Supply Voltage 10.5 V
Tamb Operating Ambient Temperature Range -40 to 85 "C
Tstg Operating Storage Temperature Range -55 to 150 ''C
SUPPLY
Symbol Parameter Test Condition Min. Typ. Max. Unit
Vs Supply Voltage 7.5 9 10 V
Is Supply Current Vs = 9V 25 30 35 mA
SVRR Ripple Rejection @ 1KHz Audioprocessor (all filters flat) 50 60 dB
Stereodecoder + Audioprocessor 45 55 dB
All pins are protected against ESD according to the MIL883 standard.
PIN CONNECTION
l/REF CE 1 V 28 ID ACOUTL
CREF CE 2 27 CIC) ACOUTR
CassL CE 3 26 13 OUT LF
CassR CE 4 25 :D OUT RF
CDR CE 5 24 CIC) OUTLR
CDGND CE 6 23 ID OUTRR
CDL CE 7 22 I] VDD
Ph- CE 8 21 ID GND
Ph+ CE 9 20 ID SDA
AM CE 10 19 ID SCL
MPX CE 11 18 D SMUTE
LEVEL CE 12 17 D QUAL
MPIN CE 13 16 CIC] MUXR
MPOUT CE 14 15 = MUXL
D99AU1047
THERMAL DATA
Symbol Parameter Value Unit
ij pins Thermal Resistance Junction-pins Max 85 "C/l/V
2/28 gr,
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