參數(shù)資料
型號: BUF20820EVM
廠商: Texas Instruments
文件頁數(shù): 11/29頁
文件大?。?/td> 0K
描述: EVAL MOUDLE FOR BUF20820
標準包裝: 1
系列: *
BUF20820
SBOS330E DECEMBER 2005 REVISED OCTOBER 2008
www.ti.com
19
SDA
SCL
LD
A0
Analog
Digital
REFH
OUT 17
REFL
D
A
C
R
egis
ter
s
2
Control IF
OUT 18
OUT 1
OUT 2
REFL OUT
D
A
C
R
egis
ter
s
1
OT
P
M
e
m
o
ry
REFH OUT
17V
0.2V
15V
0.2V
VCOM
Output of reference
buffer can be used
for an extra fixed
gamma channel.
14.8V
2V5.5V
GMA 1
GMA 2
GMA 3
GMA 4
GMA 5
GMA 20
GMA 21
GMA 22
(REFH OUT
will beafixed
voltage.)
Reference buffer
and VCOMOUT
outputs can be used
for extra gamma channels.
Analog
BIAS
8V18V
Digital
2V5.5V
SDA
SCL
A0
Control IF
VCOM OUT
VCOM
Buffer
10Bit
DAC
4x OTP
ROM
Switch
Control
Voltage Regulator
P
rogr
am
C
o
m
an
d
18 Output Channels
2V
COM Channels plus
P
rog
ra
m
C
om
m
a
n
d
VCOMOUT2
VCOMOUT1
BUF01900
Panel
Source
Driver
BUF20820
Figure 17. 22-Gamma Channel Solution
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