Agamem Microelectronics Inc.
PRELIMINARY
DESCRIPTION
AA8622
Dual Video Amplifier
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 saving circuit provides the
power saving function. The IC is available in 8-pin TSSOP package.
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FEATURES
Composite video driver with 6dB gain
Dual channels video amplifier
Output short circuit protection function
SAG correction function
A load sufficient for driving two circuits
Low operating current, 17mA typical
Internal voltage clamp circuit
8-pin TSSOP package
AA8622 BLOCK DIAGRAM
Vcc
APPLICATION
¾
VCR
¾
¾
¾
Video Camera
TV
Video Player
7
Vin2
8
6dB
CLAMP
Amp
75
Driver
Vout2
750
5
100uF
75
Vout2
(6dB)
Vout2
75
2.2K
Vsag2
6
22uF
2.0K
Vin1
1
6dB
CLAMP
Amp
75
Driver
Vout1
750
4
100uF
75
Vout1
(6dB)
Vout1
75
2.2K
Vsag1
3
22uF
2.0K
2
1
2009/2/18
AGAMEM [ AGAMEM MICROELECTRONIC INC. ]
