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ISL24822 PDF预览

ISL24822

更新时间: 2024-11-06 14:57:15
品牌 Logo 应用领域
瑞萨 - RENESAS /
页数 文件大小 规格书
2页 198K
描述
Programmable 14-Channel x 2 Bank, 10-bit TFT-LCD VREF Generator with Buffered VCOM Calibrator

ISL24822 数据手册

 浏览型号ISL24822的Datasheet PDF文件第2页 
ED FOR NEW DESIGNS  
NOT RECOMMEND  
DATA SHORT  
EPLACEMENT  
NO RECOMMENDED R  
sit www.intersil.com/products/isl24822  
upport Center at  
contact our Technical S  
r www.intersil.com/tsc  
1-888-INTERSIL o  
ISL24822  
FN6664  
Rev 2.00  
November 6, 2014  
Programmable 14-Channel x 2 Bank, 10-bit TFT-LCD V  
Generator with  
REF  
Buffered V  
Calibrator  
COM  
The ISL24822 is a programmable 14-Channel, 10-bit  
reference voltage generator with a digitally-controlled V  
Features  
COM  
2
• 14 I C-programmable 10-bit DACs  
Calibrator and op amp. Two selectable banks of 14 channels  
allow fast hardware or software switching between 2 different  
gamma curves. The ISL24822 is configured and controlled via  
• Integrated programmable V  
COM  
calibrator  
• V  
COM  
op amp  
2
a standard I C Interface.  
• 2 Banks of volatile memory for DACs  
• 4.5V to 19V analog supply range  
• 2.25V to 3.6V digital supply range  
• 20mA analog supply current (unloaded)  
• 700µA digital supply current  
The ISL24822 is available in a 32 Ld TQFN package and is  
specified for operation over the -40°C to +85°C temperature  
range.  
Applications  
• TFT-LCD column driver reference generator  
2
• I C serial interface  
• General-purpose reference voltage generators  
• Pb-free (RoHS compliant)  
GAMMA  
TFT-LCD PANEL  
TIMING  
CONTROL  
(TCON)  
COLUMN DRIVERS  
TFT-LCD SCREEN  
ISL24822  
GAMMA BUFFER  
(COLUMN DRIVER  
DAC REFERENCE  
VOLTAGES)  
STORAGE  
CAPACITOR  
DATA  
LINE  
SELECT  
LINE  
LC  
PIXEL  
GATE  
DRIVERS  
VCOM  
CALIBRATOR  
VCOM  
DRIVER  
TFT  
COMMON  
(VCOM  
)
FIGURE 1. TYPICAL APPLICATION: TFT-LCD REFERENCE VOLTAGE GENERATOR  
FN6664 Rev 2.00  
November 6, 2014  
Page 1 of 2  

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