TC90A53F - 3LINE DIGITAL Y/C SEPARATOR

Toshiba

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Datasheet Details

Part number	TC90A53F
Manufacturer	Toshiba
File Size	305.28 KB
Description	3LINE DIGITAL Y/C SEPARATOR
Datasheet	TC90A53F_ToshibaSemiconductor.pdf

TC90A53F Product details

Description

OF FUNCTIONS (1) CLAMP (Input clamp) Circuit used to Sync tip clamp composite signal.Apply feedback clamp so that at Y / C separation, the minimum data value after A / D conversion is the internally-fixed level.(2) ADC (A / D converter) High-speed series-parallel 8-bit A / D converter (Dynamic Range: 2.0V).Input composite video signal with amplitude of 1.5 Vp-p (sync to white 100%).(3) 1 H memory Line memory consisting of DRAM for 1 H delay.Two line memories configure a 3-line comb filter.

Features

TV format : NTSC (3.58).
Dynamic comb filter.
Vertical edge enhancement circuit.
PLL 4 × multiplier circuit.
Internal 8-bit 4 fsc AD converter.
Internal 8-bit 4 fsc DA converter (2 ch).
1-line color dot interference reducer circuit.
Sync tip clamp circuit.
Internal 2H-line memory.
Color killer mode (Y / C separation off).
Chroma signal C output wide band mode.
Package : SDIP 28-pin and SOP 28-pin.
5 V single power supply Weight:.

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Published: Apr 23, 2005 |