BA7078AF View Datasheet(PDF) - ROHM Semiconductor
Part Name
Description
Manufacturer
BA7078AF Datasheet PDF : 13 Pages
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Multimedia ICs
!Electrical characteristics (unless otherwise noted, VCC = 5V, Ta = 25°C)
Parameter
Symbol
Min.
Typ.
Max.
Power supply voltage
VCC
4.5
5.0
5.5
Quiescent current
ICC
21
30
39
VDRV output voltage "H"
V VDH
4.5
5.0
−
VDRV output voltage "L"
V VDL
−
0.2
0.5
VDRV output current "L"
I VDL
8
−
−
VDRV rising delay time
trdVD
−
280
450
HDRV output voltage "H"
V HDH
4.5
5.0
−
HDRV output voltage "L"
V HDL
−
0.2
0.5
HDRV output current "L"
I HDL
8
−
−
HDRV rising delay time (1)
trdHD1
−
65
115
HDRV rising delay time (2)
trdHD2
−
95
145
CLAMP output voltage "H"
V CPH
4.5
5.0
−
CLAMP output voltage "L"
V CPL
−
0.2
0.5
CLAMP output current "L"
I CPL
8
−
−
CLAMP rising delay time (1)
trdCP1
−
75
125
CLAMP rising delay time (2)
trdCP2
−
95
145
Synchronization detection output voltage "H"
V DH
4.5
5.0
−
Synchronization detection output voltage "L"
V DL
−
0.2
0.5
Synchronization detection output current "L"
I DL
3
−
−
Synchronization detection output impedance
Z oD
7
10
13
Minimum synchronization separation level
V SMin.
−
−
0.2
HSCTL "H" level threshold voltage
V tHSH
2.5
−
−
HSCTL "L" level threshold voltage
V tHSL
−
−
1.5
CPSEL "H" level threshold voltage
V tCPH
3.8
−
−
CPSEL "L" level threshold voltage
V tCPL
−
−
1.2
BA7078AF/AS
Unit
Conditions
V
mA
V
V
mA
ns
VSYNC IN
V
V
mA
ns
C / HSYNC IN
ns
VIDEO IN
V
V
mA
ns
front edge
ns
back edge
V
V
mA
kΩ
VP-P
V
V
V
V
!Synchronization signal detection chart
INPUT
Composite / HSYNC
VSYNC
H. COMP
(Positive)
No signal
Positive
Negative
H. COMP
(Negative)
No signal
Positive
Negative
No signal
No signal
Positive
Negative
EXIH
H
H
H
H
H
H
L
L
L
OUTPUT
EXIV
POLH
L
L
H
L
H
L
L
H
H
H
H
H
L
L
H
L
H
L
POLV
L
L
H
L
L
H
L
L
H
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