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參數資料
| 型號： | WFP6462 |
| 文件頁數： | 1/23頁 |
| 文件大小： | 360K |
| 代理商： | WFP6462 |
WFP6462
November 12, 1999
Rev. 0.03
1
i
Advanced Product Information
Signal Driver
300-Channel, 6-Bit Dot Inversion Driver
for TFT-LCD Applications
1.
PRODUCT DESCRIPTION
The WFP6462 is a 6-bit, 300-channel signal driver
designed for low power SVGA TFT-LCD panel
applications. The WFP6462 accepts 2 sets of ref-
erence voltages EV0..EV8 and OV0..OV8. Chan-
nels V
S2n
use EV0..EV8, and channels V
S2n-1
use
OV0..OV8 (n = 1..150). This allows column or dot
inversion to be easily implemented in single bank
applications.
The WFP6462’s internal architecture provides
separate resistor-string DACs for both the odd
and even channels. The value of the individual
resistor segments is weighted to reduce signal
driver power dissipation by as much as 20% to
60% when compared to non-weighted resistor
string DAC architectures.
300
Gate
Driver
300
300
800x600
Gate
Driver
Data
...
.
Reference
Amplifier
Circuit
LCD
Control
ASIC
WFP6462
Signal Driver
WFP6462
Signal Driver
WFP6462
Signal Driver
262,144-Color LCD
from
Graphics
Controller
Control
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