參數(shù)資料
型號: ADV7123JST330
廠商: ANALOG DEVICES INC
元件分類: DAC
英文描述: CMOS, 240 MHz Triple 10-Bit High Speed Video DAC
中文描述: PARALLEL, WORD INPUT LOADING, 10-BIT DAC, PQFP48
封裝: PLASTIC, LQFP-48
文件頁數(shù): 10/20頁
文件大?。?/td> 342K
代理商: ADV7123JST330
ADV7123
–10–
REV. B
TERMINOLOGY
Blanking Level
The level separating the
SYNC
portion from the video portion
of the waveform. Usually referred to as the front porch or back
porch. At 0 IRE units, it is the level that will shut off the picture
tube, resulting in the blackest possible picture.
Color Video (RGB)
This usually refers to the technique of combining the three primary
colors of red, green, and blue to produce color pictures within
the usual spectrum. In RGB monitors, three DACs are required,
one for each color.
Sync Signal (
SYNC
)
The position of the composite video signal that synchronizes the
scanning process.
Gray Scale
The discrete levels of video signal between reference black and
reference white levels. A 10-bit DAC contains 1024 different
levels, while an 8-bit DAC contains 256.
Raster Scan
The most basic method of sweeping a CRT one line at a time to
generate and display images.
Reference Black Level
The maximum negative polarity amplitude of the video signal.
Reference White Level
The maximum positive polarity amplitude of the video signal.
Sync Level
The peak level of the
SYNC
signal.
Video Signal
The portion of the composite video signal that varies in gray
scale levels between reference white and reference black. Also
referred to as the picture signal, this is the portion that may be
visually observed.
相關(guān)PDF資料
PDF描述
ADV7123JST240 CMOS, 240 MHz Triple 10-Bit High Speed Video DAC
ADV7123 CMOS, 240 MHz Triple 10-Bit High Speed Video DAC(240MHz三通道10位高速視頻D/A轉(zhuǎn)換器)
ADV7125JST240 CMOS, 330 MHz Triple 8-Bit High Speed Video DAC
ADV7125JST330 CMOS, 330 MHz Triple 8-Bit High Speed Video DAC
ADV7125 CMOS, 330 MHz Triple 8-Bit High Speed Video DAC
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