SAA7282

INTEGRATED CIRCUITS DATA SHEET SAA7282 Terrestrial Digital Sound Decoder (TDSD2) Product specification File under Integrated Circuits, IC02 July 1993 Philips Semiconductors Product specification Terrestrial Digital Sound Decoder (TDSD2) FEATURES Full EBU NICAM 728 specification decoder Microcomputer controlled via I2C-bus Automatic decoding and output configuration depending upon transmission: – digital stereo – digital mono and data – 2 independent mono signals On board RAM for de-interleaving and 10 to 14-bit word expansion Automatic mute function which silences the digital data and switches to FM sound (if valid) when error rate exceeds user definable limit User mute function (MUTE pin) to enable user to perform muting to their own software algorithm if required, or to simply silence the output 4 times over-sampling digital filter Selectable digital de-emphasis 256 times over-sampling Noise Shapers Fully integrated 1-bit DACs Integrated switching networks allowing selection between NICAM Sound, FM Sound or external “Daisy-Chain” input Digital Audio Interface conforming with EBU/IEC 958 I2C-bus transceiver enabling a master device to read – status information QUICK REFERENCE DATA SYMBOL VDD IDD fXTAL Tamb supply current crystal frequency operating ambient temperature PARAMETER positive supply voltage 4.5 − − 0 MIN. 5.0 50 8.192 − TYP. 5.5 100 − 70 MAX. GENERAL DESCRIPTION – error count byte – additional data bits and write: – switch control code...