TEA6321

INTEGRATED CIRCUITS DATA SHEET TEA6321 Sound fader control circuit Preliminary specification Supersedes data of August 1993 File under Integrated Circuits, IC01 1995 Dec 19 Philips Semiconductors Preliminary specification Sound fader control circuit FEATURES Source selector for four stereo and one mono inputs Interface for noise reduction circuits Interface for external equalizer Volume, balance and fader control Special loudness characteristic automatically controlled in combination with volume setting Bass control with equalizer filters Treble control Mute control at audio signal zero crossing Fast mute control via I2C-bus Fast mute control via pin I2C-bus control for all functions Power supply with internal power-on reset. QUICK REFERENCE DATA SYMBOL VCC ICC Vo(rms) Gv Gstep(vol) Gbass Gtreble Gstep(treble) (S+N)/N RR100 αcs PARAMETER supply voltage supply current maximum output voltage level voltage gain step resolution (volume) bass control treble control step resolution (treble) signal-plus-noise to noise ratio ripple rejection channel separation Vo = 2.0 V; Gv = 0 dB; unweighted Vr(rms) < 200 mV; f = 100 Hz; Gv = 0 dB 250 Hz ≤ f ≤ 10 kHz; Gv = 0 dB VCC = 8.5 V VCC = 8.5 V; THD ≤ 0.1% CONDITIONS MIN. 7.5 − − −86 − −18 −12 − − − 90 TYP. 8.5 26 2000 − 1 − − 1.5 105 75 96 GENERAL DESCRIPTION TEA6321 The sound fader control circuit TEA6321 is an I2C-bus controlled stereo preamplifier for car radio hi-fi sound applications. MAX. 9.5 − − +20 − +1...