BA7078AF Ver la hoja de datos (PDF) - ROHM Semiconductor
Número de pieza
componentes Descripción
Fabricante
BA7078AF Datasheet PDF : 13 Pages
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Multimedia ICs
!Relationship between INPUT to OUTPUT
INPUT
Composite / HSYNC
−
VSYNC
−
VIDEO
−
−
−
−
−
−
−
−
−
−
Explanation of symbol
: Signal Input − : No Signal
BA7078AF/AS
OUTPUT
HDRV
VDRV
VIDEO
VIDEO
CS
CS
VIDEO
VS
CS
VS
−
−
CS
CS
−
VS
CS
VS
CLAMP
VIDEO
CS
VIDEO
CS
−
CS
−
CS
!Input signal range
Parameter
Polarity
Amplitude (Sync) : Vs
(Video) : Vv
Vert. sync frequency range : fV
Vert. sync pulse width range : pwV
Hor. sync frequency range : fH
Hor. sync pulse width range : pwH
∗ 1H = 1 / fH
Vert. separate sync Hor. separate sync
Posi. / Neg.
Posi. / Neg.
1.0 to 5.0VP-P
1.0 to 5.0VP-P
Composite sync
Posi. / Neg.
1.0 to 5.0VP-P
40 to 200Hz
8.0µs to Duty35%
−
−
−
−
15k to 200kHz
94ns to Duty35%
40 to 200Hz
∗ 1HMin. to 400µs
15k to 200kHz
94ns to Duty30%
Sync on Video
Neg.
0.2 to 0.6VP-P
0 to 2.1VP-P
40 to 200Hz
∗ 1HMin.
15k to 200kHz
Duty30% Max.
!Input signal waveform
Vert. / Hor.separate sync
T=1/f
VS
pw
Duty=pw/T(%)
Composite sync
TH=1/fH
VS
pwH
Duty=pwH/TH(%)
pwV
(ex.pwV=1H)
Sync on Video
pwH
TH=1/fH
Duty=pwH/TH(%)
pwV
(ex.pwV=1H)
VV
VS
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