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TEF6894H Datasheet(PDF) 16 Page - NXP Semiconductors |
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TEF6894H Datasheet(HTML) 16 Page - NXP Semiconductors |
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16 / 55 page  2003 Oct 21 16 Philips Semiconductors Product specification Car radio integrated signal processor TEF6894H CONTROL FUNCTIONS Vstart(mute) soft mute start voltage see Fig.12; voltage at pin LEVEL that causes αmute = 3 dB; MSL[1:0] = 11 MST[2:0] = 000 − 0.75 − V MST[2:0] = 001 − 0.88 − V MST[2:0] = 010 − 1 − V MST[2:0] = 011 − 1.12 − V MST[2:0] = 100 − 1.25 − V MST[2:0] = 101 − 1.5 − V MST[2:0] = 110 − 1.75 − V MST[2:0] = 111 − 2 − V Cmute soft mute slope see Fig.13; slope of soft mute attenuation with respect to level voltage; MST[2:0] = 000 MSL[1:0] = 00 − 8 − dB/V MSL[1:0] = 01 − 16 − dB/V MSL[1:0] = 10 − 24 − dB/V MSL[1:0] = 11 − 32 − dB/V α mute(max) maximum soft mute attenuation by USN see Fig.14; fMPXRDS = 150 kHz; VMPXRDS = 0.6 V (RMS); USS[1:0] = 11 UMD[1:0] = 00 − 3 − dB UMD[1:0] = 01 − 6 − dB UMD[1:0] = 10 − 9 − dB UMD[1:0] = 11 − 12 − dB Vstart(SNC) SNC stereo blend start voltage see Fig.7; voltage at pin LEVEL that causes channel separation = 10 dB; SSL[1:0] = 10 SST[3:0] = 0000 − 1.5 − V : − : − V SST[3:0] = 1000 − 2.0 − V : − : − V SST[3:0] = 1111 − 2.45 − V CSNC SNC slope see Fig.8; slope of channel separation between 30 dB and 10 dB with respect to level voltage; SST[3:0] = 1010 SSL[1:0] = 00 − 38 − dB/V SSL[1:0] = 01 − 51 − dB/V SSL[1:0] = 10 − 63 − dB/V SSL[1:0] = 11 − 72 − dB/V SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT C mute α mute ∆ V eq ∆ ----------------- = C SNC α cs ∆ V eq ∆ ------------- = |
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