an3275sb Panasonic Corporation of North America, an3275sb Datasheet
an3275sb
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an3275sb Summary of contents
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... ICs for VCR AN3275SB CM detection IC for VCRs in the North American market Overview The AN3275SB which detects both a low luminance of video signal and a low sound amplitude based on that is ADLE Inc.'s patent of the CM detection technology. Using this IC and a free memory area in a microcomputer, you can easily carry out a CM detection for VCRs used in the North America ...
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... AN3275SB Pin Descriptions Pin No. Symbol Description 1 V Supply voltage (5 V typ HMW H-mask width period adjustment Audio recording input Audio playback input 5 A FIL Audio filter LEV MOVIE ADVANCE audio detection level adjustment FIL MOVIE ADVANCE audio ...
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... Input 3, output 11 AD1 Pin 9 DC, sweep, f 1.0 kHz IN A Input 4, output 11 AD2 Pin 6 DC, sweep kHz IN t Input 33, output 13 VD Delay from VSS: 0.1 uF, pin 21: 0 Input 33, output 13, pin 22: 0. AN3275SB Unit V Min Typ Max Unit 3.5 5.0 V 1. 830 2 030 2 230 4 505 5 005 5 505 4 ...
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... AN3275SB Electrical Characteristics at V Parameter H-mask delay H-mask width ENV detection level Design reference data Note) The characteristics below are theoretical values based on the IC design and are not guaranteed. Parameter Black detection block Pin33 sync. DC level Chroma trap frequency characteristics LPF2 frequency characteristics ...
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... DHSW V rectangular wave 300 Input 16, output 13 WSHW V rectangular wave 300 Input 16, output 13 HSON V triangular wave, 2 V[p-p] 300 Hz IN Impedance Current output 10 k 200 3 AN3275SB Min Typ Max Unit 1.7 dB 0.4 s 570 s 80 mV[p-p] Signal waveform DC (V) 5.0 3 HSS 2 ...
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... AN3275SB Terminal Equivalent Circuits (continued) Pin No. Equivalent circuit (MA, CL FIL 5 005 200 5 6 MAALEV 70 k 200 MAAFIL i 200 7 6 Impedance 10 k 200 4 5005 Current output ICs for VCR Signal waveform DC (V) 2.3 Sin wave 1 ...
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... ICs for VCR Terminal Equivalent Circuits (continued) Pin No. Equivalent circuit 8 CAAFIL 20 k Low CAALEV 75 k 200 200 DET Impedance Tr Tr-C 11 AN3275SB Signal waveform DC ( open DC 2.1 DC 2.8 7 ...
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... AN3275SB Terminal Equivalent Circuits (continued) Pin No. Equivalent circuit 12 CLR 200 12 500 13 CLR OUT 14 ENVDET 2 k 200 Impedance Tr Tr 200 15 ICs for VCR Signal waveform DC (V) 0 1.0 2.7 ...
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... ICs for VCR Terminal Equivalent Circuits (continued) Pin No. Equivalent circuit 16 HEAD AMP SW 3 600 17 ENV ADJ DET OUT ENV L DET 200 19 Impedance 11 k 200 8 400 Tr-B 500 200 200 AN3275SB Signal waveform DC (V) 1.3 DC 2.7 0 3.3 9 ...
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... AN3275SB Terminal Equivalent Circuits (continued) Pin No. Equivalent circuit 20 ENV H DET 200 20 21 VMD 200 21 VSS on 22 VMW 200 22 MMI OUT 10 Impedance 200 200 Current output Current output Tr-C 23 ICs for VCR Signal waveform DC (V) 1.8 3 VSS 3 VSS ...
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... ICs for VCR Terminal Equivalent Circuits (continued) Pin No. Equivalent circuit 24 SYNC FIL 2 100 DET 26 N. LEV 47 k 200 FIL 1 000 28 Impedance 2 100 200 Tr 000 200 AN3275SB Signal waveform DC (V) 1.5 DC 2.6 DC Pedestal 1.8 11 ...
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... AN3275SB Terminal Equivalent Circuits (continued) Pin No. Equivalent circuit LEV 49 k 200 FIL 200 CAP 32 CTRAP 2 030 32 12 Impedance 25 k 200 200 Push-pull 030 200 ICs for VCR Signal waveform DC (V) DC 2.9 DC Pedestal DC 3.0 Sync. 1.8 ...
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... ICs for VCR Terminal Equivalent Circuits (continued) Pin No. Equivalent circuit 200 200 REF (AUDIO reference) 200 34 35 CA/MA SEL 35 200 GND Impedance Tr AN3275SB Signal waveform DC (V) Sync. 1.8 DC 2.9 DC 2.5 13 ...
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... AN3275SB Reference Description on COMMERCIAL ADVANCE: The COMMERCIAL ADVANCE technology is focused on detecting a black level existing between a program and the TV broadcasting in the North America and the rental video tapes let a microcomputer recognize a CM part by its algorithm in order to skip the CM automatically. This IC is designed for a black level detection of a video signal and for no-sound detection ...
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... Serial bus CA Black video Amp. detect BP Sync. V-sync. sepa. sepa. E/V mask V mask H mask LPF3 Audio 1 Non-audio Latch 2 detect CA MA Counter MA CA E/V mask AN3275SB To CLT head Microcontroller To survo/timer To front panel MA Counter Video 1 Latch 2 MM1 V-DL E/V mask MM2 V-WID V mask ENV mask Mix. ENV detector 15 ...