M52743BSP 데이터 시트보기 (PDF) - MITSUBISHI ELECTRIC
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M52743BSP Datasheet PDF : 19 Pages
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MITSUBISHI ICs (Monitor)
M52743BSP
I2C BUS CONTROLLED 3-CHANNEL VIDEO PREAMPLIFIER
APPLICATION METHOD FOR M52743BSP
CLAMP PULSE INPUT
Clamp pulse width is recommended
above 15kHz, 1.0µsec
above 30kHz, 0.5µsec
above 64kHz, 0.3µsec.
The clamp pulse circuit in ordinary set is a long round about way,
and beside high voltage, sometimes connected to external terminal,
it is very easy affected by large surge.
Therefore, the Fig. shown right is recommended.
19
EXT-FEED BACK
In case of application circuit example of lower figure, Set up R1, R2
which seems that the black level of the signal feedbacked from
Power AMP is 1V, when the bottom of output signal is 1V.
Pre Amp
INPUT R
MAIN BRIGHTNESS
DC:1 to 5V
R OUT PUT
Black level 1 to 5V
Power Amp
Power Amp OUT
R Feed back
R1
Black level 1 to 5V
R2
EXT-FEED BACK APPLICATION CIRCUIT
NOTICE OF APPLICATION
⋅ Make the nearest distance between output pin and pull down
resister.
⋅ Recommended pedestal voltage of IC output signal is 2V.
TAILING
That case recommends use of M52743BSP.
Window Shadow
signal tailing
SCREEN
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