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| BUF08800 Datasheet, PDF (13/23 Pages) Burr-Brown (TI) – Programmable Reference Generator and 400mA VCOM Driver | |||
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www.ti.com
BUF08800
SBOS380A â FEBRUARY 2007 â REVISED MAY 2007
a) Traditional Solution
BUFxx704
b) BUF08800 Solution
Timing
Controller
PC
SDA
SCL
EEPROM
SDA
SCL
LCD Panel Electronics
BUF08800
VCOM OUT 1
OUT 2
VCOM
OUT 3
OUT 7
Gamma
References
OUT 8
Control Interface
Figure 16. Replacement of the Traditional Gamma Buffer
Analog
7V to 18V
Code 3FF
10âBit
DAC
250kâ¦
Code 00
R1
BUF08800
+IN (VCOM)
R2
âIN (VCOM)
VCOM/OUT 2
Figure 17. Simplified Block Diagram for VCOM Adjustment Using the BUF08800
13
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