Datenblatt-Suchmaschine für elektronische Bauteile |
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ADD8709 Datenblatt(PDF) 1 Page - Analog Devices |
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ADD8709 Datenblatt(HTML) 1 Page - Analog Devices |
1 / 16 page 18-Channel Gamma Buffer with Regulator ADD8709 Rev. A 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 © 2004 Analog Devices, Inc. All rights reserved. FEATURES 18 precision gamma reference outputs Mask-programmable voltage regulator: 0.4% accuracy Upper 9 buffers swing to VDD Lower 9 buffers swing to GND Single-supply operation: 7.5 V to 16.5 V Gamma current drive: 15 mA per channel Peak output current: 150 mA Output voltage stable under load conditions 48-lead, Pb-free LQFP package APPLICATIONS LCD TV panels LCD monitor panels GENERAL DESCRIPTION The ADD8709 is an 18-channel integrated gamma reference for use in LCD TV and monitors panels. The output buffers feature high current drive and low offset voltage to provide an accurate and stable gamma curve. The top nine channels swing to VDD and the lower nine channels swing to GND. An on-board voltage regulator provides a fixed input for the gamma buffers, isolating the gamma curve from supply ripple. The ADD8709 is specified over the temperature range of –40°C to +105°C and comes in a 48-lead, Pb-free, low-profile quad flat package. FUNCTIONAL BLOCK DIAGRAM GND GND VDD VDD VOUT18 GAMMA BUFFERS VIN18 VREG OUT VOUT17 VIN17 VOUT16 VIN16 VOUT15 VIN15 VOUT14 VIN14 VOUT13 VIN13 VOUT12 VIN12 VOUT11 VIN11 VOUT10 VIN10 VOUT9 VIN9 VOUT8 VIN8 VOUT7 VIN7 VOUT6 VIN6 VOUT5 VIN5 VOUT4 VIN4 VOUT3 VIN3 VOUT2 VIN2 VOUT1 VIN1 VDD FB GND VOLTAGE REGULATOR 700 Ω* 700 Ω* 700 Ω* 700 Ω* 700 Ω* 700 Ω* 700 Ω* 700 Ω* 700 Ω* 700 Ω* 700 Ω* 700 Ω* 700 Ω* 700 Ω* 700 Ω* 700 Ω* 700 Ω* 700 Ω* 700 Ω* *ESD PROTECTION RESISTORS Figure 1. 48-Lead LQFP |
Ähnliche Teilenummer - ADD8709_15 |
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Ähnliche Beschreibung - ADD8709_15 |
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