2009/2/18 1 agamem microelectronics inc. AA8622 preliminary dual video amplifier description AA8622 is a dual video amplifier with 6db gain, 75 output buffer and sag correction. the 75 buffer is capable of driving two circuits. the sag could reduce the output coupling capacitor. the power sav ing circuit provides the power saving function. the ic is available in 8-pin tssop package. features 1. composite video driver with 6db gain 2. dual channels video amplifier 3. output short circuit protection function 4. sag correction function 5. a load sufficient for driving two circuits 6. low operating current, 17ma typical 7. internal voltage clamp circuit 8. 8-pin tssop package AA8622 block diagram vcc 750 2.0k 2.2k 100uf 22uf 75 75 750 100uf 22uf 2.2k 75 75 2.0k vout2 vout2 vout1 vout1 clamp 6db amp 75 driver 56 vin2 vout2 vsag2 8 (6db) clamp 6db amp 75 driver 43 vin1 vout1 vsag1 1 (6db) 72 application vcr video camera tv video player
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