AN3916 PANASONIC | Alldatasheet
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The AN3916 is an IC designed exclusively for the video 60403 5 signal AGC function. in addition to the keyed/peak selec- f= 4 4 a tion video signal AGC function, it can reduce the number 7 ———wa at of signal lines and external parts by incorporating the H | = Fa af Sync. separation circuit and luminance signal separating 4 = i ott LPF. As it has a built-in 2-input selector switch and a ci —— ee at built-in low output impedance circuit, it is also available < —=— 34 Tt as a front-stage amplifier which performs A/D conversion a ZS ai of video signals in the digital system. It can be also | rr a applied for picture-in-picture using memory or time base Tele correction (TBC) at playback. =| ° 87 ' fae @ Features 3 i t + Operating supply voltage 5V (typ.), current consump- isthas 295:8025 tion 17mA (typ.) . + Exclusive for video signal AGC. « Keyed/peak select video AGC (conform to VHS-23 \\¢-Pin Zigzag Line Package (ZIPOL4-P-0300) specifications) . « Built-in H Sync. separation circuit. « Built-in luminance signal separation LPF. « Built-in 2-input selector switch. + Built-in low output impedance output-amplifier. Block Diagram = EB | 5 ee [| OOOO © Panasonic 504
cc" @ Absolute Maximum Ratings (Ta=25°C) Sopp vase 2 Operating ambient temperature =20 to +75 c Storage temperature =55 to +150 c @ Recommended Operating Range (Ta=25C) Parameter Symbol Range Operating supply voltage range 45V to5.5V @ Electrical Characteristics (Ta=25°C) Chai ce [te [very SCS*dS as | ma i PindO : Lo, Pin@ : 1Vpp Video AGC output amplitude (1) | Vie | pind «adjust to Pind 2Vep. 2 Vee Vieo AGCompaanptiade GF | Vien | Pit, PikD IV | a8 | 2 | 22 | Ve 5 ‘ Pin@0 : Lo, _ x | ctu | Pindd : Hi, Pin® : 750 | — | - ‘Video input crosstalk (1) CTas Pin@ 2 3.58 ive 45 dB ideo j Pind : Lo,Pin® : 750 |= | - Video input crosstalk (2) CTn9 | pin): 3 S8MEe, 1Vee 45 | 4B Input select High level Pin® : 1Vp., Pin output limit [ 3as[ —|[—]|[ ov = Input Lowel | Vaw | Fin 1Vp Pin uprtinie [| — | |] —v_ [Co or _. Pind : Lo, Pin@ : 250mVep _ _ = LPF freq. characteristic Ger | 3 Semitta /l00kH2 26 34] 4B Syne. Sep. output High level Pin®) : 500mVer [ a6[ —|[—]| ov Sync. Sep. outputLowlevel__ | Vou | Pin®:s00mVee | —— | — | oat VV @ Application Circuit Ref. Det. —_ | Syne. Di | || oe uf ane ODO) DH H+) 001uF te = is | 3300pF +E OKT AE ~ 7 eND 7 | 470F i. oF ak | ane we ° " Vee ss OUT mS THF ‘Out Level AG 100et Vidco INT Video IN2__ Input Select Video out —.——$S TE Panasonic MH 6932852 OO1458b 789 a 505