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參數(shù)資料
| 型號： | MM1288CQ |
| 廠商： | MITSUMI ELECTRIC CO LTD |
| 元件分類： | 消費家電 |
| 英文描述： | TFT Liquid Crystal Interface |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP48 |
| 封裝： | QFP-48A |
| 文件頁數(shù)： | 6/11頁 |
| 文件大?。?/td> | 323K |
| 代理商： | MM1288CQ |
MITSUMI
TFT Liquid Crystal Interface MM1288CQ
Item
Symbol
Measurement conditions
SW2 ; B T2 ; SG4
Adjust V46 so that T33 amplitude is 8V,
and adjust V43 so that T33 sine wave
amplitude is 5V
P
-
P
. Then measure the
difference between T33 and T29, 31
signals 1MHz spectrum. Measure in the
same way for G B,R and B R, G.
Min. Typ. Max. Units
Crosstalk between RGB
C
TRGB
-
48
-
40
dB
Output dynamic range (B
-
B)
V
DR B
-
B
10
11
V
P
-
P
Output dynamic range (B
-
W)
V
DR B
-
W
6.0
7.0
V
P
-
P
Output center voltage
V
C
6.3
6.5
6.7
V
Output center voltage change
V
C
3.0
V
Bright change
V
BRIT
10.0 13.5
V
Amplitude difference between
bright RGB signals
V
BRIT RGB
-
0.5
0.5
dB
Sub-bright change
V
SUBB
±1
V
Frequency characteristic
fmax.
4.0
5.0
MHz
COMMON output amplitude
COMMON output maximum amplitude
V
COM
max.
COMMON output minimum amplitude
V
COM
min.
COMMON output center
maximum voltage
COMMON output center
minimum voltage
V
COM
6.0
8.0
-
0.1
6.5
V
P
-
P
V
P
-
P
V
P
-
P
0
0.1
V
CO
max.
8.5
V
V
CO
min.
4.5
V
Sync separation input
sensitivity current
I
IS
-
50
-
35
-
20
μA
Sync separation output low voltage
V
SYNL
0.2
0.4
V
Sync input threshold voltage
V
TH
15
1.4
1.9
2.4
V
Sync input input current
I15
-
1.5
μA
Subcontrast input current
I18, I41
-
60
70
μA
SW2~4 ; B, T2~4 ; SG4, V46=0.5V
Measure T29, 31 and 33 signals.
SW2~4, 43 ; B, T2~4 ; SG4, V43=4.5V
Adjust V46 so that T29, 31 and 33
amplitude is 9V and measure T29, 31 and
33 sine wave amplitude.
Adjust V46 so that T29, 31 and 33 amplitude is
0V and measure T29, 31 and 33 DC voltage.
Adjust V46 so that T29, 31 and 33 amplitude
is 0V and measure the difference T29, 31 and
33 DC voltage when V35=5V and 8v
Measure the difference between T29, 31 and 33
signal clamp levels when V46=0.5V and 4.5V.
Adjust V46 so that T31 amplitude is 5.7V
and measure T29 and 33 amplitude ratio.
After adjusting V46 so that T29, 31 and 33
amplitude is 6V, with SW21 and 42 : B, vary
V21 and 42 between 8~10V and measure
the maximum value of the difference
between T31 and T29, 33 amplitudes.
SW2~4, 29, 31, 33 ; B, T2~4 ; SG4
Adjust V46 so that T29, 31 and 33
amplitude is 8V, then adjust V43 so that
T29, 31 and 33 sine wave amplitude is
5V
P
-
P
. Vary sine wave frequency at
measure cutoff frequency.
Measure T27 amplitude.
SW28 ; B, V28=12V Measure T27 amplitude.
SW28 ; B, V28=0V T27 amplitude.
SW22, 28 ; B, V22=5V, V28=0V
Measure T27 amplitude.
SW22, 28 ; B, V22=0.5V, V28=0V
Measure T27 DC voltage
Increase current flowing out on T10, and
measure outflow current when T14
voltage changes from high to low.
Measure T14 voltage when 5V is applied to T10.
Measure T14 inverted input voltage when
T16 voltage is changed from 0 5V.
SW16 ; B Apply 0V to T16 and measure I16.
SW19, 45, 46 ; B
Measure I19 and 45 when V19 and 45 are
0.5V and 4.5V.
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