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參數(shù)資料
| 型號(hào)： | OM6206Z |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | 65 X 102 pixels matrix LCD driver |
| 中文描述： | 65 × 102像素矩陣LCD驅(qū)動(dòng)器 |
| 文件頁(yè)數(shù)： | 17/36頁(yè) |
| 文件大?。?/td> | 195K |
| 代理商： | OM6206Z |
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2001 Nov 14
17
Philips Semiconductors
Product specification
65
×
102 pixels matrix LCD driver
OM6206
8.10
Set V
OP
value
The operation voltage V
LCD
can be set by software. The
generated voltage is dependent on the programmed
voltage at reference temperature (T
cut
), the programmed
Temperature Coefficient (TC) and the operating
temperature (T).
The voltage at reference temperature can be calculated
as:
V
LCD Tcut
)
a
b
V
OP
+
=
(2)
The voltage at operating temperature can be calculated
as:
V
LCD(T)
V
LCD(Tcut)
T
T
cut
–
(
+
=
(3)
The parameters are explained in Table 6.
Themaximumvoltagethatcanbegeneratedisdepending
on the V
DD2
voltage and the display load current.
Two overlapping V
LCD
ranges are selectable via the
command ‘set HIGH or LOW program range V
OP
’.
For the LOW range (bit PRS = 0) component a = a
1
and
for the HIGH range (bit PRS = 1) component a = a
2
. The
steps in both ranges are equal to b.
It should be noted that the charge pump is turned off if
bits V
OP6
to V
OP0
and bit PRS are all set to zero (see
Fig.14).
For multiplexer rate 1 : 65 the optimum operation voltage
of the liquid can be calculated as:
(4)
where V
th
is the threshold voltage of the liquid crystal
material used.
×
)
TC
×
V
LCD
65
+
2
1
65
--1
–
×
--------1
V
th
×
6.85
V
th
×
=
=
Table 6
Typical values for parameters for the high-voltage generator programming
Table 7
Temperature coefficients
SYMBOL
VALUE
UNIT
a
1
a
2
b
T
cut
2.94 (PRS = 0)
6.75 (PRS = 1)
0.03
27
V
V
V
°
C
NAME
BIT
VALUE
UNIT
TC
1
0
0
1
1
TC
0
0
1
0
1
TC0
TC1
TC2
TC3
0.00
×
10
3
×
V
LCD(Tcut)
0.76
×
10
3
×
V
LCD(Tcut)
1.05
×
10
3
×
V
LCD(Tcut)
2.10
×
10
3
×
V
LCD(Tcut)
V/
°
C
V/
°
C
V/
°
C
V/
°
C
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| OM6208 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:65 x 96 pixels matrix grey-scale LCD driver |
| OM6211 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:48 X 84 dot matrix LCD driver |
| OM62112 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:48 X 84 dot matrix LCD driver |
| OM6211F1 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:48 X 84 dot matrix LCD driver |
| OM6211U | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:48 X 84 dot matrix LCD driver |
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