M52722 查看數據表（PDF） - MITSUBISHI ELECTRIC
零件编号
产品描述 (功能)
比赛名单
M52722
MITSUBISHI ELECTRIC
M52722 Datasheet PDF : 17 Pages
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MITSUBISHI ICs (Monitor)
M52722SP
3-CHANNEL VIDEO PREAMPLIFIER PROVIDED WITH OSD MIX
AND RETRACE LINE BLK FOR HIGH-RESOLUTION
ELECTRICAL CHARACTERISTICS (cont.)
Symbol
SOaj1
SOaj2
HBLK
HVth
Parameter
SUB OSD adjustment control
characteristics (at typ.)
SUB OSD adjustment control
characteristics (at min.)
Retrace line BLK characteris-
tics
Retrace line BLK input
threshold value
Test
point
T.P35
T.P30
T.P25
T.P35
T.P30
T.P25
T.P35
T.P30
T.P25
T.P35
T.P30
T.P25
SW3
R-ch
a
_
a
_
a
_
a
_
Input
SW8 SW13
G-ch B-ch
aa
__
aa
__
aa
__
aa
__
External power supply(v) Pulse input
Limits
V4
V17
V19
V32
V36
SW18
SW1
5,10,15
SW20
Min.
Typ. Max.
5
5
2
2
5
bb
SG4 SG6
a
_
1.6 2.2 2.6
5
5
2
0
5
bb
SG4 SG6
a
_
-
0 0.5
55200
a
_
a
_
b
SG7
-
0.2 0.5
55200
a
_
a
_
b
SG7
0.5
1.5
2.5
Unit
VP-P
VP-P
VDC
VDC
ELECTRICAL CHARACTERISTICS TEST METHOD
Note: SW/NO of signal input pin and SW/NO of pulse input pin,
which have already been described in the electrical characteristics
table, are omitted, and SW/NO of external power supply will only be
described as follows:
Sub-OSD adjustment voltages, V32, V27 and V22, which are
always set to the identical value, are represented by V32 in the
electrical characteristics table. In addition, sub-contrast voltages,
V4, V9 and V14, which are also set to the identical value, are
represented by V4 in the electrical characteristics table.
Icc circuit current
Conditions shall be as specified in the electrical characteristics
table, and take measurements with ammeter A when SWA is turned
to the b side.
Vomax output dynamic range
Follow the following procedure to set V19.
1. Input SG5 to pin 13 (pin 8 or pin 3 ), gradually reduce V19, and
read the lower part voltage when the lower part of input
waveform of T.P25 (T.P30 or T.P35) is distorted to let the reading
be VOLR (VOLG or VOLB).
2. Then, gradually raise V19, and read the upper part voltage when
the upper part of output waveform of T.P25 (T.P30 or T.P35) is
distorted to let the reading be VOHR (VOHG or VOHB).
3. Vomax is found by:
Vomax=VOHR(VOHG, VOHB)-VOLR(VOLG, VOLB)
(V)
Vimax maximum allowable input
Change V17 to 2.5V, gradually increase input signal amplitude from
700m VP-P, and read input signal amplitude when output signal
starts to be distorted.
Gv and ∆Gv maximum gain and relative maximum gain
1. Input SG5 to pin 13 (pin 8 or pin 3 ), and read the output
amplitude of T.P25 (T.P30 or T.P35) at this time to let the reading
be VOR1 (VOG1 or VOB1).
2. Maximum gain Gv is found by:
GV=20LOG
VOR1(VOG1, VOB1) [VP-P]
0.7
[VP-P]
3. Relative maximum gain ∆G is found by
∆GV=VOR1/VOG1, VOG1/VOB1, VOB1/VOR1
through respective calculation.
VCR1 contrast control characteristics and
∆VCR1 relative contrast control characteristics (at typ.)
1. Follow the electrical characteristics table except changing V17 to
4V.
2. Read the output amplitude of T.P25 (T.P30 or T.P35) at this time,
and let the reading be VOR2 (VOG2 or VOB2).
3. Contrast control characteristics VCR1 and relative contrast
control characteristics ∆VCR1 is found by
VCR1=20LOG
VOR2(VOG2, VOB2) [VP-P]
0.7
[VP-P]
∆VCR1=VOR1/VOG1, VOG1/VOB1, VOB1/VOR1
5.0
0.0
T.P25 output waveform (T.P30 and T.P35 are also the same)
through respective calculation.
VCR2 contrast control characteristics and
∆VCR2 relative contrast control characteristics (at min.)
1. Follow the electrical characteristics table except changing V17 to
1.0V.
2. Read the output amplitude of T.P25 (T.P30 or T.P35) at this time
to let the reading be VOR3 (VOG3 or VOB3). This value represents
VCR2.
3. Relative contrast control characteristics ∆VCR2 is found by:
VOR2 = VOR3/ VOG3,VOG3/ VOB3/ ,VOB3/VOR3
5
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