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BA7657S_ View Datasheet(PDF) - ROHM Semiconductor

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BA7657S_ Datasheet PDF : 13 Pages
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Multimedia ICs
Input selector switch for high
definition displays
BA7657F / BA7657S
The BA7657F and BA7657S are for high definition displays, and have internal switches for switching between broad-
band RGB signals and HD / VD signals, as well as an internal synchronization separator. These ICs simplify the de-
signing of input units for deluxe displays.
Applications
CRT display, HDTV, video board for personal computer, etc.
Features
1) Operates on a single 5V power supply.
2) Internal broadband RGB switch (frequency charac-
teristics: 230MHz, – 3dB).
3) Internal HD / VD switch.
4) Internal synchronization separator for synchronizing
signals superimposed onto G signals.
Absolute maximum ratings (Ta = 25°C)
Parameter
Symbol
Limits
Unit
Power supply voltage
VCC
Power
dissipation
BA7657F
BA7657S
Pd
8.0
V
550
mW
1200
Operating temperature
Topr
– 25 ~ + 75
°C
Storage temperature
Tstg
– 55 ~ + 125
°C
Reduced by 5.5mW (BA7657F) or 12mW (BA7657S) for each increase in Ta of 1°C over 25°C.
Recommended operating conditions (Ta = 25°C)
Parameter
Symbol Min. Typ. Max.
Unit
Power supply voltage
VCC
4.5
5.0
5.5
V
1
 

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