STV8224A2

The STV8224A2 is a picture and sound IF processor for multistandard applicantion with very few external components and adjustments. The feature of STV8224A2 are as follows: (1)video PLL demodulation; (2)sound PLL demodulation; (3)positive and negative modulation; (4)AGC for BG and L standard; (5)audio switch; (6)DC volume control; (7)video switch.

The absolute maximum ratings of the STV8224A2 are: (1)supply voltage: 13.5V; (2)tuner AGC  voltage: VCC V; (3)storage temperature: -40 to +150; (4)operating temperature: 0 to +70.

The following is about the electrical characteristics of STV8224A2:(1)supply voltage: 8V min, 12.6V max and 9V typical; (2)supply current: 70mA typical and 95mA max at I17,Vcc=9V; (3)input sensitivity: 70VRMS typical at -3dB video at output; (4)differential input resistance: 1.5k typical; (5)differential input capacitance: 2pF typical; (6)gain control range: 64dB typical; (7)max input signal: 110mVRMS typical at +1dB video at output; (8)vision carrier capture: -1.4MHz min and 1.6MHz max; (9)AFC slope: 0.2A/kHz typical at see figure 21; (10)amplitude difference: 10% max.