參數(shù)資料
型號: SAA7127H
廠商: NXP SEMICONDUCTORS
元件分類: 顏色信號轉(zhuǎn)換
英文描述: Digital video encoder
中文描述: COLOR SIGNAL ENCODER, PQFP44
封裝: 10 X 10 MM, 1.75 MM HEIGHT, PLASTIC, SOT-307-2, QFP-44
文件頁數(shù): 34/40頁
文件大?。?/td> 155K
代理商: SAA7127H
1999 May 31
34
Philips Semiconductors
Product specification
Digital video encoder
SAA7126H; SAA7127H
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 48 for a
100
100
colour bar signal.
Values for the external series resistors result in a 75
load.
Table 48
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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