ad722jr-16-reel7 Analog Devices, Inc., ad722jr-16-reel7 Datasheet
ad722jr-16-reel7
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ad722jr-16-reel7 Summary of contents
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... One Technology Way, P.O. Box 9106, Norwood. MA 02062-9106, U.S.A. Tel: 617/329-4700 RGB to NTSC/PAL Encoder NTSC/PAL CLOCK AT 4FSC SAMPLED- 2-POLE CSYNC DATA LP POST- DELAY FILTER LINE NTSC/PAL 3-POLE LPF 3.6MHz (NTSC) 4.4MHz (PAL) © Analog Devices, Inc., 1995 AD722 LUMINANCE X2 OUTPUT COMPOSITE X2 OUTPUT CHROMINANCE X2 OUTPUT Fax: 617/326-8703 ...
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AD722–SPECIFICATIONS Parameter SIGNAL INPUTS (RDIN, GRIN, BLIN) Input Amplitude Black Level 1 Input Resistance Input Capacitance LOGIC INPUTS (SYNC, FSC, ENCD, NTSC) Logic LO Input Voltage Logic HI Input Voltage Logic LO Input Current (DC) Logic HI Input Current (DC) ...
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... C to +70 C 16-Pin SOIC R-16 AD722JR-16-Reel +70 C 16-Pin SOIC R-16 AD722JR-16-Reel7 +70 C 16-Pin SOIC R-16 CAUTION ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily accumulate on the human body and test equipment and can discharge without detection. Although the AD722 features proprietary ESD protection circuitry, permanent damage may occur on devices subjected to high energy electrostatic discharges ...
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AD722 Pin Mnemonic 1 STND 2 AGND 3 FIN 4 APOS 5 ENCD 6 RIN 7 GIN 8 BIN 9 CRMA 10 COMP 11 LUMA 12 SELECT 13 DGND 14 DPOS 15 VSYNC 16 HSYNC *The Luminance, Chrominance, and Composite ...
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COMPOSITE SYNC TEKTRONIX AD722 TSG 300 COMPONENT RGB TO VIDEO NTSC/PAL 75 RGB WAVEFORM ENCODER GENERATOR 3 GENLOCK TEKTRONIX 1910 FSC COMPOSITE VIDEO WAVEFORM GENERATOR Figure 1. Evaluation Setup 0.10 APL = 49.5% 525 LINE NTSC NO FILTERING SLOW CLAMP ...
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AD722–Typical Characteristics Figure 7. 100% Color Bars on Vector Scope, PAL 0.10 APL = 11.6% 525 LINE NTSC NO FILTERING SLOW CLAMP TO 0.00V @ 6.63µs 0.5 0.0 PRECISION MODE OFF SYNCHRONOUS SYNC = SOURCE FRAMES SELECTED : 1 2 ...
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H TIMING MEASUREMENT RS–170A (NTSC) FIELD = 1 LINE = 22 9.72µs 9.0 CYCLES 5.49µs 4.59µs 100ns 39.7 IRE 124ns AVERAGE 256 256 Figure 12. Horizontal Timing, NTSC PHASE DETECTOR FSC SUB- XOSC XOSC CARRIER 4FSC 4FSC SYNC NTSC/PAL SEPARATOR ...
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AD722 The other analog path is the chrominance path which is where the U and V color difference signals are processed. The U and V signals first pass through 4-pole modified Bessel low-pass filters with –3 dB frequencies of 1.2 ...
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Basically these two standards use most of the features of the standard that their names imply, but use the subcarrier that is equal to or approximately equal to the frequency of the other standard. Because of the automatic programming of ...
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AD722 + 0.1µF AA COMP V 24 REF FS DATA IN ADJ ADV7120 + 10k SYNC IOR MPEG CLOCK IOG DECODER BLANK IOB GND HSYNC VSYNC * PARALLEL–RESONANT CRYSTAL; 3.579545MHz (NTSC) OR 4.433620MHz ...
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The IF strips used in TVs delay the chrominance by 170 ns more than the luminance. To compensate for this, transmitted video has the chrominance lead the luminance by 170 ns. The term used for this is chrominance delay, and ...
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AD722 Synchronous vs. Asynchronous Operation The source of RGB video and synchronization used as an input to the AD722 in some systems is derived from the same clock signal as used for the AD722 subcarrier input (FIN). These systems are ...