參數(shù)資料
型號： 935265763518
廠商： NXP SEMICONDUCTORS
元件分類： 顏色信號轉(zhuǎn)換
英文描述： COLOR SIGNAL ENCODER, PQFP44
封裝： PLASTIC, SOT-307, QFP-44
文件頁數(shù)： 44/59頁
文件大?。?/td> 232K
代理商： 935265763518
2000 Mar 08
49
Philips Semiconductors
Product specication
Digital video encoder
SAA7128H; SAA7129H
9.1
Analog output voltages
The analog output voltages are dependent on the open-loop voltage of the operational amplifiers for full-scale conversion
(typical value 1.375 V), the internal series resistor (typical value 2
), the external series resistor and the external load
impedance.
The digital output signals in front of the DACs under nominal conditions occupy different conversion ranges, as indicated
in Table 76 for a 100
100 colour bar signal.
Values for the external series resistors result in a 75
load.
Table 76 Digital output signals conversion range
CONVERSION RANGE (peak-to-peak)
CVBS, SYNC TIP-TO-PEAK
CARRIER (digits)
Y (VBS)
SYNC TIP-TO-WHITE
(digits)
RGB (Y)
BLACK-TO-WHITE AT GDY = GDC =
6 (digits)
1016
881
712
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