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TDA7460ND
CAR RADIO SIGNAL PROCESSOR
gerTpra'
TDA7460N
CAR RADIO SIGNAL PROCESSOR
n DEVICE INCLUDES AUDIO PROCESSOR,
STEREO DECODER, NOISEBLANKER AND
MULTIPATH DETECTOR
n HIGH PERFORMANCE SIGNAL PROCES-
NO EXTERNAL COMPONENTS REQUIRED
FULLY PROGRAMMABLE VIA |2C BUS
LOW DISTORTION
LOW NOISE
DESCRIPTION
The TDA7460N is a high performance signal
processor specifically designed for car radio ap-
plications.
The device includes a complete audioprocessor
and a stereo decoder with noiseblanker,
stereoblend and all signal processing functions
necessary for state-of-the-art as well as future car
radio systems.
Switched-capacitors design technique allows to
obtain all these features without external compo-
BLOCK DIAGRAM
ORDERING NUMBER: TDA7460ND
nents or adjustments. This means that higher
quality and reliability walks alongside an overall
costsaving.
The CSP is fully programmable by IZC bus inter-
face allowing to customize key device parameters
and especially filter characteristics.
The BICMOS process combined with the opti-
mized signal processing assure low noise and
low distortion performances.
CDL CDG CDR
MIXING
AM STAGE
LOUDNESS
CASS R
CASS L MULTIPLEXER PHONE
PHONE AUTO ZERO
(MPIN)
PHONE GND
(MPOUT)
-I PILOT
MPX 80KHz CANCELLATION
VS SUPPLY
GND CREF
VOLUME
DEMODULATOR
+ STEREO ADJUST
LP + STEREO BLEND
MULTIPATH-
DETECTOR
OUT LR
OUT LF
OUT RR
OUT RF
TREBLE
DIGITAL CONTROL
\ HIGH
25KHz CUT
LP CONTROL
FORMER
LEVEL D97AU629A
June 2000
TDA7460N
ABSOLUTE MAXIMUM RATINGS
Symbol Parameter Value Unit
Vs Operating Supply Voltage 10.5 V
Tamb Operating Ambient Temperature Range -40 to 85 "C
Tstg 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) 60 dB
Stereodecoder + Audioprocessor 45 dB
All pins are protected against ESD according to the MIL883 standard.
PIN CONNECTION
CASS R 1 CREF
CASS L 2 OUT LF
CDR 3 OUT RF
CDGND 4 OUT LR
CDL 5 OUT RR
PHGND (MPOUT) 6 VS
PHONE (MPIN) 7 GND
AM 8 SDA
MPX 9 SCL
LEVEL 10 SMUTE
D97AU628A
THERMAL DATA
Symbol Parameter Value Unit
Rm; pins Thermal Resistance Junction-pins Max 85 ''C/W
2/31 E