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TDA7461ND Datasheet(PDF) 1 Page - STMicroelectronics |
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TDA7461ND Datasheet(HTML) 1 Page - STMicroelectronics |
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1 / 31 page  HIGH PERFORMANCE SIGNAL PROCES- SOR FOR CAR RADIO SYSTEMS DEVICE INCLUDES AUDIO PROCESSOR, STEREO DECODER, NOISEBLANKER AND MULTIPATH DETECTOR NO EXTERNAL COMPONENTS REQUIRED FULLY PROGRAMMABLE VIA I 2C BUS LOW DISTORTION LOW NOISE DESCRIPTION The TDA7461N 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- nents or adjustments. This means that higher quality and reliability walks alongside an overall cost saving. The CSP is fully programmable by I 2C 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. June 2000 ® SUPPLY LOUDNESS DEMODULATOR + STEREO ADJUST + STEREO BLEND CREF MPIN OUT LR D97AU646A DIGITAL CONTROL PILOT CANCELLATION VS CASS L INPUT MULTIPLEXER + AUTO ZERO PH GND BEEP MPX MIXING STAGE VOLUME BASS TREBLE OUT LR OUT LF OUT RR OUT RF OUT LF OUT RR OUT RF SCL SDA 80KHz LP PLL 25KHz LP S& H HIGH CUT CONTROL MULTIPATH- DETECTOR PULSE FORMER D MPOUT LEVEL CDL CDG CDR AM CASS R PHONE GND SMUTE PHONE SOFT MUTE PIL DET I 2C BUS NOISE BLANKER A MUX R MUX L 765 10 3 4 9 8 11 21 20 26 13 14 12 23 25 22 24 18 19 16 15 2 1 27 28 17 BLOCK DIAGRAM SO28 ORDERING NUMBER: TDA7461ND TDA7461N CAR RADIO SIGNAL PROCESSOR 1/31 |
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