LA7642N Sanyo Semiconductor Corporation, LA7642N Datasheet
LA7642N
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LA7642N Summary of contents
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... Ordering number : EN5693 Overview The LA7642N integrates the chrominance circuit for a SECAM format single 16-pin DIP (300 mil) package and provides an adjustment-free discriminator circuit. In combination with the Sanyo LA7687, LA7688, this IC can implement a multi-format color TV signal- processing system. Features • Adjustment-free discriminator circuit • ...
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... Bell filter gain difference at f0 ±500 kHz [Chrominance Block] Killer operating point B-Y output amplitude R-Y output amplitude R-Y/B-Y output ratio B-Y linearity LA7642N Symbol Conditions Referenced to 4.286 MHz. For reference only. EQU = off. Input p- 4.286 MHz CW signal to pin 14 and, measure the pin 16 output BEL4 ...
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... Output impedance Non-SECAM: R-Y Black level error B-Y Black level error R-Y [De-Emphasis Characteristics] De-emphasis 63k B-Y LA7642N Symbol Conditions Input a color bar signal (0 dB) to pin 14. In the pin 6 (R-Y) output waveform measure the amplitude of the blue green (+280 kHz) and red (– ...
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... SECAM threshold voltage 2 [Killer Output: Pin 13] Killer on output level Killer off output level [Reference Frequency Input Block] 4.00-MHz input level variations 1 LA7642N Symbol Conditions Input a signal to which a 63-kHz modulation has been applied to pin 14 and measure the pin 6 R-Y amplitude Vron (V p-p) when pre- emphasis is on ...
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... Dependency] CC ALC pulse wave height Notes: EQU = off: Pull pin 16 to ground through a 4.7-kΩ resistor. EQU = on: Leave pin 16 open. Block Diagram LA7642N Symbol Conditions Measure the variation in the pin 5 DC voltage V5DB4 when the 4.00-MHz input level is changed from 200 mV p-p to 300 mV p-p. ...
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... SANYO believes information herein is accurate and reliable, but no guarantees are made or implied regarding its use or any infringements of intellectual property rights or other rights of third parties. This catalog provides information as of July, 1997. Specifications and information herein are subject to change without notice. LA7642N No. 5693-6/6 ...