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AD8381AST

更新时间： 2024-09-26 22:50:03
品牌 Logo 应用领域
亚德诺 - ADI 显示驱动器驱动程序和接口接口集成电路
页数 文件大小 规格书
16页 517K
描述
Fast, High Voltage Drive, 6-Channel Output DecDriverTM Decimating LCD Panel Driver

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Fast, High Voltage Drive, 6-Channel Output  
TM  
a
DecDriver Decimating LCD Panel Driver  
AD8381  
FEATURES  
FUNCTIONAL BLOCK DIAGRAM  
High Voltage Drive:  
Rated Settling Time to within 1.3 V of Supply Rails  
Output Overload Protection  
High Update Rates:  
Fast, 100 Ms/s 10-Bit Input Word Rate  
Low Power Dissipation: 570 mW  
Includes STBY Function  
Voltage Controlled Video Reference (Brightness) and  
Full-Scale (Contrast) Output Levels  
3.3 V or 5 V Logic and 9 V–18 V Analog Supplies  
High Accuracy:  
Laser Trimming Eliminates External Calibration  
Flexible Logic:  
INV Reverses Polarity of Video Signal  
STSQ/XFR for Parallel AD8381 Operation in  
12-Channel Systems  
10  
10  
10  
10  
10  
10  
10  
10  
10  
10  
10  
10  
10  
2-STAGE  
LATCH  
DB (0:9)  
DAC  
DAC  
DAC  
DAC  
DAC  
DAC  
VID0  
VID1  
VID2  
VID3  
VID4  
VID5  
2-STAGE  
LATCH  
AD8381  
2-STAGE  
LATCH  
STBY  
BYP  
BIAS  
2-STAGE  
LATCH  
E/O  
L/R  
2-STAGE  
LATCH  
Drives Capacitive Loads:  
27 ns Settling Time to 1% into 150 pF Load  
Slew Rate 265 V/␮s with 150 pF Load  
Available in 48-Lead LQFP  
CLK  
2-STAGE  
LATCH  
SEQUENCE  
CONTROL  
STSQ  
XFR  
APPLICATIONS  
LCD Analog Column Driver  
SCALING  
CONTROL  
VREFHI  
VREFLO  
INV VMID  
PRODUCT DESCRIPTION  
The AD8381 provides a fast, 10-bit latched decimating digital  
input, which drives six high voltage outputs. Ten-bit input  
words are sequentially loaded into six separate high-speed, bipolar  
DACs. Flexible digital input format allows several AD8381s to be  
used in parallel for higher resolution displays. STSQ synchronizes  
sequential input loading, XFR controls synchronous output  
updating and R/L controls the direction of loading as either  
Left to Right or Right to Left. Six channels of high voltage  
output drivers drive to within 1.3 V of the rail in rated settling  
time. The output signal can be adjusted for brightness, signal  
inversion and contrast for maximum flexibility.  
The AD8381 is fabricated on ADI’s proprietary, fast bipolar  
24 V process, providing fast input logic, bipolar DACs with  
trimmed accuracy and fast settling, high voltage precision drive  
amplifiers on the same chip.  
The AD8381 dissipates 570 mW nominal static power. STBY  
pin reduces power to a minimum, with fast recovery.  
The AD8381 is offered in a 48-lead 7 × 7 × 1.4 mm LQFP  
package and operates over the commercial temperature range of  
0°C to 85°C.  
DecDriver is a trademark of Analog Devices, Inc.  
REV. 0  
Information furnished by Analog Devices is believed to be accurate and  
reliable. However, no responsibility is assumed by Analog Devices for its  
use, norforanyinfringementsofpatentsorotherrightsofthirdpartiesthat  
may result from its use. No license is granted by implication or otherwise  
under any patent or patent rights of Analog Devices.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781/329-4700  
Fax: 781/326-8703  
www.analog.com  
© Analog Devices, Inc., 2002  
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 		Fast, High Voltage Drive, 6-Channel Output DecDriverTM Decimating LCD Panel Driver
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AD8381JST ADI

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AD8382 ADI

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 		High Performance 12-Bit, 6-Channel Output, Decimating LCD DecDriver
AD8382ACP ADI

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 		High Performance 12-Bit, 6-Channel Output, Decimating LCD DecDriver
AD8382ACPZ ADI

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AD8383 ADI

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 		Low Cost 10-Bit, 6-Channel Output Decimating LCD DecDriver
AD8383ACPZ ADI

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 		Low Cost 10-Bit, 6-Channel Output Decimating LCD DecDriver
AD8383ACPZ ROCHESTER

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 		LIQUID CRYSTAL DISPLAY DRIVER, QCC48, 7 X 7 MM, 0.85 MM HEIGHT, MO-220VKKD-2, LFCSP-48

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