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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.
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Applications
CRT display, HDTV, video board for personal computer, etc.
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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.
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Absolute maximum ratings (Ta = 25°C)
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Recommended operating conditions (Ta = 25°C)
Parameter Symbol Limits Unit
Power supply voltage VCC 8.0 V
Power
dissipation
BA7657F 550
*
mW
BA7657S 1200
*
Operating temperature Topr °C
Storage temperature Tstg °C
Pd
– 25 ~ + 75
– 55 ~ + 125
*
Reduced by 5.5mW (BA7657F) or 12mW (BA7657S) for each increase in Ta of 1°C over 25°C.
Parameter Symbol Min. Typ. Max. Unit
Power supply voltage VVCC 4.5 5.0 5.5