Part # TDA7514 datasheet

Part Manufacturer: ST Microelectronics

ST Microelectronics

Part Description: Single-chip FM/AM tuner with stereo decoder and audio processor


Part Details:

TDA7514 SINGLE-CHIP FM/AM TUNER WITH STEREO DECODER AND AUDIO PROCESSOR 1 FEATURES Figure 1. Package AM/FM WORLD TUNER FOR CAR-RADIO INTEGRATED IMAGE REJECTION FM MIXER INTEGRATED TUNING PLL TQFP80 VARIABLE-BANDWITH FM IF FILTER (ISS) FULLY INTEGRATED FM STEREO Table 1. Order Codes DECODER Part Number Package FULLY INTEGRATED FM/AM NOISE E-TDA7514 TQFP80 BLANKER E-TDA7514TR TQFP80 in Tape & Reel HIGHLY INTEGRATED AUDIO PROCESSOR E- prefix indicates lead free package 2 DESCRIPTION board ADC makes a digitised version of the Sme- The TDA7514 is a device for car-radio applications ter available to the µP via I2Cbus. that combines full RF front-end functions with ad-vanced audio-processing capabilities. The audio processor section comprises input se-lectors for one stereo single-ended source, one As far as FM and AM functions are concerned, the stereo quasi-differential source and a mono differ- TDA7514 features front-end processing, including ential source. Volume, loudness, tone (bass and the digital tuning PLL. IF processing with demodu- treble), balance and fading controls are available lation and variable-bandwidth IF filtering (ISS), with completely pop-free operation to drive four stop station and quality detection functions, FM output channels. An additional input independent- stereo decoding by means of a fully integrated ad- ly mixable on each of the four outputs is provided justment-free dedicated PLL and, finally, AM and for chime. A soft mute function and an RDS mute FM noise blanking (AM noise blanking comprises function are included to handle source change as one IF NB as well as an audio NB). well as RDS AF search without abrupt changes in The FM stereo decoder and the noise blanking the audio level. functions are realised entirely without external Most of the parameters in the front-end section are components. The FM front-end circuit features an I2Cbus-driven and therefore under the control of


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TDA7514.pdf Datasheet