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LA7191N Datasheet(PDF) 4 Page - Sanyo Semicon Device |
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LA7191N Datasheet(HTML) 4 Page - Sanyo Semicon Device |
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4 / 11 page  Continued from preceding page. Parameter Symbol Input Output Conditions min typ max Unit FM demodulation linearity LDEM LDEM = V DEM4 –(VDEM6 +V DEM2)/2 VDEM6 –VDEM2 x 100 –3.5 0 +3.5 % Carrier leak CL T39A T3 VIN = 300 mVp-p,f=4MHz Ratio between 4 MHz component of T3 and SDEM –40 –35 dB PB YNR characteristics LP/EP GP-YNR T4A T28A VIN = white 50% + CW (15.8 mVp-p) Ratio between 32fH component and 32.5fH component –11 –9 –7 dB PB LNC characteristics SP GP-LNC T4A T28A VIN = white 50% + CW (15.8 mVp-p) Ratio between 32fH component and 32.5fH component –7.0 –5.5 –4.0 dB Playback through gain GPB T4A T34A Apply VIN = 0.5 Vp-p video signal to pin 4, and determine ratio between T34A output level and input level 4.0 5.5 7.0 dB Nonlinear de-emphasis characteristics GNLDEEM1 T4A T34A VIN = white 50% + CW (f = 1 MHz, 158 mVp-p) measure input/output response, difference with GPB –2.8 –1.8 –0.8 dB GNLDEEM2 T4A T34A f = 1 MHz, 50 mVp-p –5.0 –4.0 –3.0 dB Noise canceller characteristics GWNC1 T4A T34A f = 1.5 MHz, 158 mVp-p –1.3 –0.8 –0.3 dB GWNC2 T4A T34A f = 1.5 MHz, 50 mVp-p –4.5 –3.5 –2.5 dB GWNC3 T4A T34A f = 1.5 MHz, 15.8 mVp-p –10.5 –9.0 –7.5 dB PIC-CTL center response characteristics GPC T4A T34A f = 2 MHz, 158 mVp-p 1.2 1.7 2.2 dB PIC-CTL hard response characteristics GPH T4A T34A f = 2 MHz, 158 mVp-p 7.0 8.0 10.0 dB PIC-CTL soft response characteristics GPS T4A T34A f = 2 MHz, 158 mVp-p –10.0 –8.0 –7.0 dB Nonlinear de-emphasis characteristics SP NLDE-SP T4A T34A Same as GNLDEEM2 –5.0 –4.0 –3.0 dB Sync tip level, pedestal level, white level measurement (PB) LVOR T4A T34 With VIN = white 100% and T34A at 1.0 Vp-p, measure electric potential for each of the pin 34 video output sync tip, pedestal, and white peak, and assign the measured values to LSYN,LPED, and LWHI, respectively Pseudo V insertion level (PB) ∆ VDP T4A T34 Measure pin 34 DC voltage when5Vis applied to pin 33, and assign the measured value to LVDP, and calculate the difference with LSYN ∆ VDP = LSYN –LVDP –80 0 +80 mV Pseudo H insertion level (PB) ∆ HDP T4A T34 Measure pin 34 DC voltage when 2.7 V is applied to pin 33, and assign the measured value to LHDP, and calculate the difference with LPED ∆HDP = LPED –LHDP –300 –200 –100 mV White insertion level (PB) ∆WHP T4A T34 Measure pin 34 DC voltage when 1.3 V is applied to pin 33, and assign the measured value to LWHP, and calculate the difference with LWHI ∆WHP = LWHI –LWHP 20 120 220 mV Sync separation output level VSYP T4A T32 VIN = 0.5 Vp-p video signal, pin 32 output pulse wave high value 4.0 4.2 4.4 Vp-p Sync separation output pulse width PWSYP T4A T32 VIN = 0.5 Vp-p video signal, T32 output pulse width 4.4 4.7 5.0 µs Sync separation output leading edge delay time ∆ TSYP T4A T32 VIN = 0.5 Vp-p video signal, measure delay time of output SYNC versus input SYNC 0.9 1.1 1.3 µs 4.2 V regulator operation check VREG T30 Measure DC level of T30 in REC mode 3.95 4.15 4.35 VDC [REC Mode Chroma] REC chroma low-band conversion output level VOR-15 T37A T15A VIN = standard color bar signal (1 Vp-p), measure burst level at T15A 120 160 200 mVp-p Burst emphasis amount (NTSC mode) GBE T37A T15A VIN = standard color bar signal (1 Vp-p) Ratio of burst level at T15A when S41A is off (SP/EP) and on (LP) 5.5 6.0 6.5 dB Continued on next page. LA7191N No. 5471 - 4/11 |
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