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E-TDA7514 Datasheet(PDF) 11 Page - STMicroelectronics |
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E-TDA7514 Datasheet(HTML) 11 Page - STMicroelectronics |
11 / 74 page 11/74 TDA7514 Symbol Parameter Test Condition Min Typ Max Unit SoftMute by Adjacent Channel Detector Vthsmac1 Threshold level1 T14<2>=0 2.75 V Vthsmac2 Threshold level2 T14<2>=1 3.25 V Attsmac1 Attenuation1 T14<7:6>=00 0 dB Attsmac2 Attenuation2 T14<7:6>=01 6 dB Attsmac3 Attenuation3 T14<7:6>=10 9 dB Attsmac4 Attenuation4 T14<7:6>=11 12 dB Station Detector by Smeter VSDl Low output level @SDpin 0 V VSDh High output level @SDpin 5 V Vthsdmin Threshold level minimum T20<3:0>=0000 0.4 V Vthsdmax Threshold level maximum T20<3:0>=1111 3.4 V Vthsdstep Threshold level step 0.2 V Adjacent Channel Detector for Quality outputs, SNC and HCC F1ac1 Cutoff or center frequency of filter1 T8<4>=0 83 kHz F1ac2 Cutoff or center frequency of filter1 T8<4>=1 104 kHz F2ac1 Cutoff or center frequency of filter2 T8<5>=0 119 kHz F2ac2 Cutoff or center frequency of filter2 T8<5>=1 139 kHz GcF2ac1 Gain of filter2 T18<7>=0 8.7 dB GcF2ac2 Gain of filter2 T18<7>=1 14.7 dB ∆Vrect1 Offset1 of rectifier for SNC&HCC T18<5:4>=00 0.4 V ∆Vrect2 Offset2 of rectifier for SNC&HCC T18<5:4>=01 0.8 V ∆Vrect3 Offset3 of rectifier for SNC&HCC T18<5:4>=10 1.2 V ∆Vrect4 Offset4 of rectifier for SNC&HCC T18<5:4>=11 1.6 V Multipath Detector for Quality output, SNC and HCC (Filter shared with ISS multipath detector) Gvrectl Rectifier Gain minimum T15<7:5>=000 5 dB Gvrecth Rectifier Gain maximum T15<7:5>=111 13.4 dB Gvrectstep Rectifier Gain step 1.2 dB Table 3. (continued) |
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