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AD8509ARU Datenblatt(PDF) 1 Page - Analog Devices |
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AD8509ARU Datenblatt(HTML) 1 Page - Analog Devices |
1 / 8 page 9- and 11-Channel, Muxed Input LCD Reference Buffers AD8509/AD8511 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. Specifications subject to change without notice. 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 © 2005 Analog Devices, Inc. All rights reserved. FEATURES Single-supply operation: 3.3 V to 6.5 V High output current: 300 mA Low supply current: 6 mA Stable with 1000 pF loads Pin-compatible with LMC6009 Pin-compatible with CL-FP6131 48-lead, Pb-free, TSSOP package APPLICATION LCD line inversion gamma references FUNCTIONAL BLOCK DIAGRAM INA1 INB1 INA2 INB2 INA11 INB11 A/B VO11 VO2 VO1 Figure 1. GENERAL DESCRIPTION The AD8509 and AD8511 are 9-channel and 11-channel LCD reference buffers, respectively, designed to drive 64 gray scale column drivers. Each buffer has an A/B input to select between two voltages for LCD displays. These buffers drive the resistor ladders of LCD column drivers for gamma correction. These LCD drivers have higher slew rates and higher output drive currents than similar competitive parts. This increases the stability of the reference ladder, resulting in better gray scale and visual performance. The AD8509 and AD8511 are specified over the −40°C to +85°C temperature range. They are available in 48-lead, thin shrink small outline (TSSOP), surface-mount, Pb-free packages in tape and reel. PIN CONFIGURATIONS NC = NO CONNECT 14 13 12 11 10 9 8 1 2 3 4 7 6 5 19 18 17 16 15 20 23 22 21 24 29 28 27 32 31 30 40 39 38 37 36 35 34 33 26 25 41 42 43 44 45 46 47 48 NC VO1 NC NC VCC GND VO2 VO3 VO4 VO5 VCC GND VO6 VO7 VO8 VO9 VO10 GND VCC A/B NC INA1 INB1 INA2 INB2 INA3 INB3 INA4 INB4 INA5 INB5 INA6 INB6 INA7 INB7 INA8 INB8 INA9 INB9 INA10 NC NC VO11 NC INB10 NC INA11 INB11 AD8511 TOP VIEW (Not to Scale) NC = NO CONNECT 14 13 12 11 10 9 8 1 2 3 4 7 6 5 19 18 17 16 15 20 23 22 21 24 29 28 27 32 31 30 40 39 38 37 36 35 34 33 26 25 41 42 43 44 45 46 47 48 NC NC NC NC VCC GND VO1 VO2 VO3 VO4 VCC GND VO5 VO6 VO7 VO8 VO9 GND VCC A/B NC NC NC INA1 INB1 INA2 INB2 INA3 INB3 INA4 INB4 INA5 INB5 INA6 INB6 INA7 INB7 INA8 INB8 INA9 NC NC NC NC INB9 NC NC NC AD8509 TOP VIEW (Not to Scale) Figure 2. AD8509 and AD8511 48-Lead TSSOP (RU Suffix) |
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