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參數(shù)資料
| 型號(hào)： | BUF07704AIPWPR |
| 英文描述： | 18 - V SUPPLY MULTI - CHANNER GAMMA CORRECTION BUFFER |
| 中文描述： | 18 - V電源多- CHANNER伽瑪校正緩沖區(qū) |
| 文件頁數(shù)： | 13/25頁 |
| 文件大?。?/td> | 384K |
| 代理商： | BUF07704AIPWPR |
SBOS277E JUNE 2004 REVISED DECEMBER 2004
www.ti.com
13
APPLICATION INFORMATION
The requirements on the number of gamma correction
channels vary greatly from panel to panel. Therefore,
the BUFxx704 series of gamma correction buffers
offers different channel combinations. The BUF11704
offers 10 gamma channels plus one V
COM
channel,
whereas the BUF07704 provides six gamma channels
plus one V
COM
. The V
COM
channel on both models can
be used to drive the V
COM
node on the LCD panel.
Gamma correction voltages are often generated using
a simple resistor ladder, as shown in Figure 21. The
BUFxx704 buffers the various nodes on the gamma
correction resistor ladder. The low output impedance of
the BUFxx704 forces the external gamma correction
voltage on the respective reference node of the LCD
source driver. Figure 21 shows an example of the
BUFxx704 in a typical block diagram driving an LCD
source driver with 10- or 6-channel gamma correction
reference inputs.
BUFxx704
V
DD
R
S(1)
(1)
(2)
(2)
(2)
(2)
(2)
(2)
(1)
(1)
(1)
(1)
V
COM
(1) Optional
Increases stability.
(2) Optional capacitor.
(3) n = max number of gamma channels
on respective BUFxx704.
Source Driver
Gamma 1
Gamma 2
Gamma 3
Gamma (n
2)
Gamma (n
1)
Gamma (n)
(3)
Figure 21. LCD Source Driver Typical Block Diagram
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| BUF11704 | 18 - V SUPPLY MULTI - CHANNER GAMMA CORRECTION BUFFER |
| BUF11704AIPWP | 18 - V SUPPLY MULTI - CHANNER GAMMA CORRECTION BUFFER |
| BUF11704AIPWPR | 18 - V SUPPLY MULTI - CHANNER GAMMA CORRECTION BUFFER |
| BUF05704 | 18 - V SUPPLY MULTI - CHANNER GAMMA CORRECTION BUFFER |
| BUF05704AIPWP | 18 - V SUPPLY MULTI - CHANNER GAMMA CORRECTION BUFFER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| BUF07704AIPWPRG4 | 功能描述:LCD Gamma緩沖器 6 Ch LCD Gamma Crctn Buffer + 1 Vcom RoHS:否 制造商:Maxim Integrated 輸入補(bǔ)償電壓: 轉(zhuǎn)換速度: 電源電壓-最大:20 V 電源電壓-最小:9 V 電源電流: 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFN-38 封裝:Tube |
| BUF08630 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Programmable Gamma-Voltage Generator |
| BUF08630EVM | 功能描述:放大器 IC 開發(fā)工具 BUF08630 Eval Mod RoHS:否 制造商:International Rectifier 產(chǎn)品:Demonstration Boards 類型:Power Amplifiers 工具用于評(píng)估:IR4302 工作電源電壓:13 V to 23 V |
| BUF08630RGWR | 功能描述:LCD Gamma緩沖器 Programmable Gamma- Voltage Gen RoHS:否 制造商:Maxim Integrated 輸入補(bǔ)償電壓: 轉(zhuǎn)換速度: 電源電壓-最大:20 V 電源電壓-最小:9 V 電源電流: 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFN-38 封裝:Tube |
| BUF08630RGWT | 功能描述:LCD Gamma緩沖器 Programmable Gamma- Voltage Gen RoHS:否 制造商:Maxim Integrated 輸入補(bǔ)償電壓: 轉(zhuǎn)換速度: 電源電壓-最大:20 V 電源電壓-最小:9 V 電源電流: 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFN-38 封裝:Tube |
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