SAA7120H Datasheet, PDF (30/36 Pages) NXP Semiconductors – Digital video encoder

Philips Semiconductors
Digital video encoder
Product specification
SAA7120H; SAA7121H
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 1.35 V), the internal series resistor (typical value 2 Ω), 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 42 for a ¹⁰⁰⁄₁₀₀ colour bar signal.
Values for the external series resistors result in a 75 Ω load.
Table 42 Digital output signals conversion range
CONVERSION RANGE (peak-to-peak)
CVBS
SYNC-TIP TO PEAK-CARRIER (digits)
1 016
Y (VBS)
SYNC-TIP TO WHITE (digits)
881
2002 Oct 11
30