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PDF LM80C27 Data sheet ( Hoja de datos )
| Número de pieza | LM80C27 | |
| Descripción | LCD Module | |
| Fabricantes | Sharp | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de LM80C27 (archivo pdf) en la parte inferior de esta página. Total 26 Páginas | ||
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SHARP
LIQUID CRYSTAL DISPLAY GROUP
SHARP CORPORATION
SPECIFICATION
SPECNO. LC96436
FILE No.
ISSUE APR.25.1996
PAGE 25 Pages
REPRENTATIVE DIVISION
ENGINEERING DEPARTMENT 2
DUTY PANEL DEVELOPMENT
CENTER
NARA LIQUID CRYSTAL
DISPLAY GROUP
DEVICE SPECIFICATION for
Passive Matrix Color LCD Module
(800 X 600 dots)
Model No.
LM8 O C 2 7
u ICUSTOMER’ S APPROVAL
DATE
. . ---- ‘
y.lno+
DEPARTMENT GENERAL MANAGER
ENGINEERING DEPARTMENT II
DUTY PANEL DEVELOPMENT CENTER
NARA LIQUID CRYSTAL DISPLAY GROUP
SHARP CORPORATION
Free Datasheet http://www.Datasheet-PDF.com/
1 page  
SPEC NO.
LC96436
MODEL No.
LM80C27
PAGE
4
5. Electrical Specifications -
5-1 Electrical characteristics
(1/tFRN=120Hz)
Table 4
Ta=25 “C vrlD=5. o vi 10 %
Parameter
Symbol
Conditions
Min. Typ . Nax . Unit
Supply voltage (Logic)
VDD-VSS Ta=()~4() ‘C Note 1 ) 4.5 5.0 5.5
v
Ta= O “C
1.0
Contrast adjust voltage Vcon-Vss Ta= 25 “C
1.95
(Note 2)
Ta=40 “C
2.5 v
Input signal voltage
VIN “W level
2 – VD,+O.3 v
“ L“ level
-0.3 – 0.8 v
SupplY current
ItlDl Ta=25 “C Note 1,2) – 240 360 MA
1,.2 Ta=25 “C Note 1,3) – 300 450 MA
Rush current (Logic )
Irush Ta=25 ‘C,
1.5A(pk)x50ms
Ripple current (Logic)
Power consumption
Irip Ta=25 ‘C,
Pdl(TYP) Note 1,2)
Pdl(}lAX) Note 1,3)
lA(pk)x lOus
— 1200 1800 mW
— 1500 2250 mW
Note 1) Under the following conditions. ;
QI~ediately after the rise of VDD.
: 1.5 AX50 ms
@Under the situation that DISP signa is on and kept steady. : 1.0 Ax50 lS
Note 2)Frame frequency= 120 Hz, Vcon-Vss = 1 95 v
Display pattern = all digits ON (DUO-7, DL0-7 = ‘H’)
Note 3)Frame frequency = 120 Hz, Vcon-Vss = 1.95 V
Display pattern = black/white stripe patten
s m999mBBumammm
u ICICICICICICIOCIIJOIJCICI
s mmmmmnmm9mM9B
claclclclaaaoclclclcln
Note 4) Contrast adjustment voltage “Vcon-Vss” is transformed into the LCD driving vloltage
“V,CD” by following circuit built in the LCD module.
LCD driving voltage “Vt,cD” is adjusted automatically according to the change of ambient
temperature range by the temperature compensation circuit.
Temperature compensation circuit built in LCD module have been set obtain the
optimum contrast under following driving condition ;
Take care that voltage for optimum contrast is changed under the different condition.
Frame frequency : 120 Hz, Duty ratio : 300 (an odd number frame ), Ta= 25 “C
328 (an even number frame)
X“The above is the condition of the module setting,not the electrical characteristics.
r---- -D--C-/-DC--C-o-n-v--erte-r---- ----—- ---,
! s~~lsignalVcon‘~~~L
I----------- ----------- -__-----a
-’
Temperature Compensation Circuit
Temperature sensor
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5 Page 
S~RP
SPEC No.
I MODEL NO.
i L C 9 6 5 0 1 I LM80C27
!I
PAGE
] 10
,
xl LCD unit functions at the minimum frame cycle of 8.33 ms(Maximum frame frequency of
120 Hz).
Owing to the characteristics ofLCD unit, shadowing” will become more eminent as
frame frequency goes up,while flickerwil be reduced.
According to our experiments,frame cycle of 8.33 ms Min. or frame frequency of 120 Hz
Max. wiil demonstrate optimw display quality in terms of flicker and “shadowing”.
But since judgement of display quality is subjective and display quality such as
‘“shadowing” is pattern dependent, it is recommended that decision of frame frequency,
to which power consumption of the LCD unit is propotional,be made based on your
own through testing on the LCD unit with every possible patterns displayed on it.
.X The intervals of one LP fall and the next must be always the same, and LPs must be
input continuously.
The intervals must be 70 JS Max.
*2 When LCD module is operated by high speed of XCK(shift clock),
(tWCK-tWCKL)/2 is maximum.
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11 Page | ||
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