CXA1218S

The CXA1218S is a decoder ICs used to convert composite video signals into color difference signal. The features of CXA1218S can be summarized as (1)single supply operation 5V; (2)low power consumption: 85mW typical; (3)compatible with both NTSC and PAL modes; (4)provides composite sync, burst flag, subcarrier, and line alternate signal output.

The absolute maximum ratings of the CXA1218S are: (1)supply voltage: 10V; (2)operating temperature: -20 to +75; (3)storage temperature: -55 to +150; (4)allowable power dissipation: 250mW.

The following is about the electrical characteristics of CXA1218S: (1)consumption current1: 3.45mA min,4.55mA typical and 6.70mA max; (2)consumption current2: 5.48mA min,7.24mA typical and 10.65mA max; (3)consumption current3: 3.13mA min,4.13mA typical and 6.07mA max; (4)video amplifier voltage gain: 9dB min, 10dB typical and 11dB max at VAC=0.1Vp-p, f=100KHz, VDC=0.125V, refer to test method detail; (5)video amplifier frequency characteristics: 5.0MHz min at input frequency of 3dB with 100kHz output taken as 0dB; (6)video amplifier maximum output: 0.7Vp-p min at VAC=0.32Vp-p, f=100KHz, VDC=0.16V.