TDA7403

® TDA7403 BASIC SIGNAL PROCESSOR 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 t(s FULLY PROGRAMMABLE VIA I2C BUS LOW DISTORTION AND NOISE duc DESCRIPTION ro The TDA7403 is a high performance signal procP essor specifically designed for car radio applicate tions focused on the low-end market. le The device includes a complete audioprocessor and a stereo decoder with noiseblanker. so Switched-capacitors design technique allows to b obtain all these features without external compoO nents or adjustments. Using TDA7403 results is in a very performant low-cost signal processing t(s) - BLOCK DIAGRAM SO20 ORDERING NUMBER: TDA7403D application The device 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. roduc 8 P AM te 1 CASS R le2 Obso CASS L INPUT MULTIPLEXER + AUTO ZERO VOLUME SM 11 SOFT MUTE TREBLE BASS DIGITAL CONTROL 17 OUT LR 19 OUT LF 16 OUT RR 18 OUT RF OUT LR OUT LF OUT RR OUT RF I2C BUS 12 SCL 13 SDA FM R FM L 9 MPX 80KHz LP PILOT CANCELLATION DEMODULATOR + STEREO ADJUST + STEREO BLEND 25KHz LP S&H HIGH CUT CONTROL 15 VS SUPPLY PLL PIL DET 14 20 GND CREF November 2002 NOISE BLANKER PULSE FORMER D A 10 LEVEL...