參數(shù)資料
型號(hào): 935263625026
廠商: NXP SEMICONDUCTORS
元件分類: 顯示驅(qū)動(dòng)器
英文描述: LIQUID CRYSTAL DISPLAY DRIVER, U
封裝: DIE-40
文件頁(yè)數(shù): 40/40頁(yè)
文件大?。?/td> 243K
代理商: 935263625026
1998 May 04
9
Philips Semiconductors
Product specication
Universal LCD driver for low multiplex
rates
PCF8566
Fig.5 Waveforms for 1 : 2 multiplex drive mode with 1
2 bias: Vop =VDD VLCD.
handbook, full pagewidth
MGG394
state 1
BP0
Sn + 1
(a) waveforms at driver
(b) resultant waveforms
at LCD segment
LCD segments
state 2
BP1
Sn
state 2
state 1
VDD
(VDD + VLCD)/2
VLCD
VDD
(VDD + VLCD)/2
VLCD
VDD
VLCD
VDD
VLCD
Vop
Vop/2
0
Vop/2
Vop
Vop/2
0
Vop/2
Vop
Tframe
At any instant (t):
Vstate 1(t) = VSn(t) VBP0(t)
Von(rms) =
Vop√10 = 0.791V
op
4
Vstate 2(t) = VSn(t) VBP1(t)
Voff(rms) =
Vop√2 = 0.354V
op
4
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