TDA9861

INTEGRATED CIRCUITS DATA SHEET TDA9861 Universal HiFi audio processor for TV Preliminary specification File under Integrated Circuits, IC02 June 1994 Philips Semiconductors Preliminary specification Universal HiFi audio processor for TV FEATURES Multi-source selector switches six AF inputs (three stereo sources or six mono sources) Each of the input signals can be switched to each of the outputs (crossbar switch) Outputs for loudspeaker channel, headphone channel and peri-TV connector (SCART) Switchable spatial stereo and pseudo stereo effects Audio surround decoder can be added externally Two general purpose logic output ports I2C-bus control of all functions. QUICK REFERENCE DATA SYMBOL VP IP Vi Vo Gv PARAMETER positive supply voltage (pin 6) supply current input signal levels for 0 dB gain (RMS value) output signal levels for 0 dB gain (RMS value) gain in main channel volume control (1 dB steps, balance included) bass control (1.5 dB steps) treble control (3 dB steps) gain in headphone channel volume control (2 dB steps) gain for muting in all channels THD S/N Tamb total harmonic distortion signal-to-noise ratio operating ambient temperature −54 −80 − − 0 − − 0.1 85 − +16 − − − +70 −63 −12 −12 − − − +15 +15 +12 7.2 − 2 2 MIN. 8.0 25 − − TYP. 8.8 − − − MAX. GENERAL DESCRIPTION TDA9861 The TDA9861 provides control facilities for the main, the headphone and the SCART channel of a TV set. Due to extended switching possibilities, signals from 3 stereo sources...