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Analog Devices Semiconductor Electronic Components Datasheet

AD8381 Datasheet

6-Channel Output DecDriver Decimating LCD Panel Driver

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AD8381 pdf
a Fast, High Voltage Drive, 6-Channel Output
DecDriver® Decimating LCD Panel Driver
AD8381
FEATURES
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 to 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
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
APPLICATIONS
LCD Analog Column Driver
FUNCTIONAL BLOCK DIAGRAM
DB (0:9)
STBY
BYP
E/O
R/L
CLK
STSQ
XFR
10 10
10
2-STAGE
LATCH
DAC
AD8381
10 10
2-STAGE
LATCH
DAC
BIAS
10 10
2-STAGE
LATCH
DAC
10 10
2-STAGE
LATCH
DAC
10 10
2-STAGE
LATCH
DAC
SEQUENCE
CONTROL
10 10
2-STAGE
LATCH
DAC
SCALING
CONTROL
VID0
VID1
VID2
VID3
VID4
VID5
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. The
STBY pin reduces power to a minimum, with fast recovery.
The AD8381 is offered in a 48-lead 7 mm ¥ 7 mm ¥ 1.4 mm
LQFP package and operates over the commercial temperature
range of 0C to 85C.
REV. B
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties that
may result from its use. No license is granted by implication or otherwise
under any patent or patent rights of Analog Devices. Trademarks and
registered trademarks are the property of their respective owners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
www.analog.com
Fax: 781/326-8703 © 2003 Analog Devices, Inc. All rights reserved.


Analog Devices Semiconductor Electronic Components Datasheet

AD8381 Datasheet

6-Channel Output DecDriver Decimating LCD Panel Driver

No Preview Available !

AD8381 pdf
AD8381* Product Page Quick Links
Last Content Update: 08/30/2016
Comparable Parts
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Documentation
Data Sheet
• AD8381: Fast, High Voltage Drive, 6-Channel Output
DecDriver™ Decimating LCD Panel Driver Data Sheet
Design Resources
• AD8381 Material Declaration
• PCN-PDN Information
• Quality And Reliability
• Symbols and Footprints
Discussions
View all AD8381 EngineerZone Discussions
Sample and Buy
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Technical Support
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number
* This page was dynamically generated by Analog Devices, Inc. and inserted into this data sheet. Note: Dynamic changes to
the content on this page does not constitute a change to the revision number of the product data sheet. This content may be
frequently modified.


Part Number AD8381
Description 6-Channel Output DecDriver Decimating LCD Panel Driver
Maker Analog Devices
Total Page 17 Pages
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