參數(shù)資料
型號: OM4068H
廠商: NXP Semiconductors N.V.
元件分類: LCD驅動器
英文描述: LCD driver for low multiplex rates
封裝: OM4068H/2<SOT307-2 (QFP44)|<<http://www.nxp.com/packages/SOT307-2.html<1<Always Pb-free,;
文件頁數(shù): 10/28頁
文件大?。?/td> 125K
代理商: OM4068H
1998 Jun 18
10
Philips Semiconductors
Product specification
LCD driver for low multiplex rates
OM4068
Table 3
LCD drive modes: summary of characteristics
LCD drive mode waveforms
The static LCD drive mode is used when a single backplane is provided in the LCD. Backplane and segment drive
waveforms for this mode are shown in Fig.5.
LCD DRIVE
MODE
NUMBER OF
LCD BIAS
CONFIGURATION
BACKPLANES
LEVELS
Static
1 : 2
1 : 3
1
2
3
2
3
4
static
1
2
1
3
0
1
0.354
0.333
0.791
0.638
2.2236
1.915
V
V
OP
)
-----------------------
V
V
OP
)
----------------------
D
V
V
off rms
)
)
-----------------------
=
Fig.5 Static drive mode waveforms (V
OP
= V
LCD
V
SS
).
BACKPLANE
DRIVER OUTPUT
SEGMENTS
SEG N
SEG N + 1
BP1
off
on
handbook, full pagewidth
MBK819
VLCD
BP1
VSS
Tframe
VLCD
SEG N
(off)
SEG
BP1
VSS
VLCD
VLCD
0 V
VLCD
SEG N
+
1
(on)
VSS
VLCD
0 V
VLCD
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