Details, datasheet, quote on part number: TDA7461N
PartTDA7461N
CategoryAutomotive
DescriptionCar Radio Signal Processor
CompanyST Microelectronics, Inc.
DatasheetDownload TDA7461N datasheet
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Features, Applications

HIGH PERFORMANCE SIGNAL PROCESSOR FOR CAR RADIO SYSTEMS DEVICE INCLUDES AUDIO PROCESSOR, STEREO DECODER, NOISEBLANKER AND MULTIPATH DETECTOR NO EXTERNAL COMPONENTS REQUIRED FULLY PROGRAMMABLE VIA I2C BUS LOW DISTORTION LOW NOISE DESCRIPTION The is a high performance signal processor specifically designed for car radio applications. 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 compoBLOCK DIAGRAM

nents or adjustments. This means that higher quality and reliability walks alongside an overall cost saving. The CSP is fully programmable by I2C bus interface allowing to customize key device parameters and especially filter characteristics. The BICMOS process combined with the optimized signal processing assure low noise and low distortion performances.

3 4 INPUT MULTIPLEXER + AUTO ZERO PHONE BEEP DIGITAL CONTROL
D MULTIPATHDETECTOR 13 MPIN 14 MPOUT NOISE BLANKER PULSE FORMER A 12 LEVEL

Symbol VS Tamb Tstg Operating Supply Voltage Operating Ambient Temperature Range Storage Temperature Range Parameter Value to 150 Unit V C

Symbol VS IS SVRR Parameter Supply Voltage Supply Current Ripple Rejection = 9V Audioprocessor (all filters flat) Stereodecoder + Audioprocessor Test Condition Min. 7.5 25 Typ. Max. 10 35 Unit mA dB

ESD All pins are protected against ESD according to the MIL883 standard. PIN CONNECTION
ACINL ACINR CASSR CASSL CDR CDGND CDL PH GND PHONE AM MPX LEVEL MPIN MPOUT
ACOUTL ACOUTR CREF OUTLF OUTRF OUTLR OUTRR VS GND SDA SCL SMUTE MUXR MUXL
Symbol Rth-j pins Parameter Thermal Resistance Junction-pins Max SO28 85 Unit C/W

N. Name ACINL ACINR CASSR CASSL CDR CDGND CDL PHGND PHONE AM MPX LEVEL MPIN MPOUT MUXL MUXR SMUTE SCL SDA GND VS OUTRR OUTLR OUTRF OUTLF CREF ACOUTR ACOUTL Speaker Stage Input Left Speaker Stage Input Right Cassette Input Right Cassette Input Left CD Right Channel Input Ground reference CD Left Channel Input Phone Ground Phone Input AM Input FM Input (MPX) Level Input Stereodecoder Multipath Detector Input Multipath Detector Output Multiplexer Output Left Channel (Stereodecoder Output left selectable 1) Multiplexer Output Right Channel (Stereodecoder Output right selectable 1) Soft Mute Drive I C Clock Line I C Data Line Supply Ground Supply Voltage Right Rear Speaker Output Left Rear Speaker Output Right Front Spaeaker Output Left Front Speaker Output Reference Capacitor Pin Pre-speaker AC Output Right Channel Pre-speaker AC Output Left Channel

(1) See databyte specification - speaker attenuators Pin type legenda: I = Input O = Output I/O = Input/Output S = Supply


 

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