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TDA7407 Datasheet(PDF) 15 Page - STMicroelectronics |
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TDA7407 Datasheet(HTML) 15 Page - STMicroelectronics |
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15 / 46 page ![]() TDA7407 Stereo decoder part 15/46 LGstep LEVEL gain step resolution 0.3 0.67 1 dB VSBLmin Min. voltage for mono 25 29 33 %REF5V VSBLmax Min. voltage for mono 54 58 62 %REF5V VSBLstep Step resolution 2.2 4.2 6.2 %REF5V VHCHmin Min. voltage for NO highcut 38 42 46 %REF5V VHCHmax Min. voltage for NO highcut 62 66 70 %REF5V VHCHstep Step resolution 5 8.4 12 %REF5V VHCLmin Min. voltage for full highcut 12 17 22 %VHCH VHCLmax Max. voltage for full highcut 28 33 38 %VHCH VHCLstep Step resolution 2.2 4.2 6.2 %VHCH Carrier and harmonic suppression at the output α19 Pilot signal f = 19KHz 40 50 dB α38 Subcarrier f = 38KHz 75 dB α57 Subcarrier f = 57KHz 62 dB α76 Subcarrier f = 76KHz 90 dB Intermodulation (Note 1) α2f mod = 10KHz, fspur = 1KHz 65 dB α3f mod = 13KHz, fspur = 1KHz 75 dB Traffic Ratio (Note 2) α57 Signal f = 57KHz 70 dB SCA - Subsidiary communications authorization (note 3) α67 Signal f = 67KHz 75 dB ACI - Adjacent channel interference (note 4) α114 Signal f = 114KHz 95 dB α190 Signal f = 190KHz 84 dB Table 6. Stereo decoder electrical characteristics (continued) (VS = 9V; de-emphasis time constant = 50μs,VMPX = 500mV (75KHz deviation), fm= 1KHz, Gv = 6dB. Tamb = 25°C; unless otherwise specified) Symbol Parameter Test condition Min. Typ. Max. Unit |
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