поискавой системы для электроныых деталей |
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TDA9725 датащи(PDF) 9 Page - NXP Semiconductors |
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TDA9725 датащи(HTML) 9 Page - NXP Semiconductors |
9 / 44 page 1996 Oct 14 9 Philips Semiconductors Product specification Y/C automatic adjustment processor (VHS standard) TDA9725 Negative feedback input of main emphasis (pin 4; open-base) and main emphasis output/white-clip/modulator/SQPB selector (pin 5) FEEDBACK LOOP CLOSED (PIN 4 CONNECTED TO PIN 5; MAIN EMPHASIS OFF) VSY DC voltage level sync tip − 1.9 − V VoREC(p-p) record output voltage level; standard output level (peak-to-peak value) video/sync = 7/3; ∆VCC = ±0.25 V; Tamb = −10 to +70 °C 450 500 550 mV tFRAMEDET time for correcting carrier interleave relationship to half picture HIGH during half picture 1; note 1 −− 200 ms NON-LINEAR EMPHASIS/DETAIL ENHANCER; notes 2 and 3 RD1 response D1 −20 dB; fi = 500 kHz; SP; NORM 1.7 2.7 3.7 dB RD2 response D2 −20 dB; fi = 2 MHz; SP; NORM 6.0 7.5 9.0 dB RS1 response S1 −20 dB; fi = 500 kHz; SP; EDIT 1.0 1.7 2.4 dB RS1 response S2 −20 dB; fi = 2 MHz; SP; EDIT 4.5 5.5 6.5 dB RL1 response L1 −20 dB; fi = 500 kHz; LP 3.1 4.4 5.7 dB RL2 response L2 −20 dB; fi = 2 MHz; LP 7.0 9.0 11 dB RL3 response L3 0 dB; fi = 2 MHz; LP 1.6 2.3 3.0 dB VERTICAL EMPHASIS PL1 peak level 1 −30 dB recursive; note 4 3.5 4.3 5.3 dB PL2 peak level 2 −20 dB recursive; note 4 3.5 4.0 4.5 dB PL3 peak level 3 0 dB recursive 0 0.4 1.0 dB FEEDBACK LOOP NORMAL APPLICATION DCL dark-clip level 50 60 70 % WCL white-clip level 180 187 194 % V5 SQPB input voltage playback mode 4.0 −− V Record storage capacitor for f0 processor and playback storage capacitor for envelope detector (pin 7) VI DC voltage record mode − 1.2 − V VNOR DC voltage of normal mode playback mode; Vi = 350 mV (p-p); pin 14 HIGH 2.3 3.3 4.0 V VOFF DC voltage of dropout correction (DOC) off mode playback mode 0 − 1.3 V VNS DC voltage at no input signal playback mode 1.1 1.6 2.1 V GEon envelope detector switch-on level (dropout active) playback mode; 0dB=Vi = 350 mV (p-p); fi = 3.8 MHz; pin 14 HIGH −13 −10 −7dB tenv envelope detector operating time Ci = 0.1 µF 380 500 620 µs SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT |
Аналогичный номер детали - TDA9725 |
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Аналогичное описание - TDA9725 |
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