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AD8644AR 데이터시트(PDF) 1 Page - Analog Devices |
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AD8644AR 데이터시트(HTML) 1 Page - Analog Devices |
1 / 16 page Single and Quad 18 V Operational Amplifiers AD8614/AD8644 Rev. B Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringements of patents or other rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 www.analog.com Fax: 781.461.3113 ©1999–2007 Analog Devices, Inc. All rights reserved. FEATURES Unity-gain bandwidth: 5.5 MHz Low voltage offset: 1.0 mV Slew rate: 7.5 V/μs Single-supply operation: 5 V to 18 V High output current: 70 mA Low supply current: 800 μA/amplifier Stable with large capacitive loads Rail-to-rail inputs and outputs APPLICATIONS LCD gamma and VCOM drivers Modems Portable instrumentation Direct access arrangement GENERAL DESCRIPTION The AD8614 (single) and AD8644 (quad) are single-supply, 5.5 MHz bandwidth, rail-to-rail amplifiers optimized for LCD monitor applications. They are processed using the Analog Devices, Inc. high voltage, extra fast complementary bipolar (HV XFCB) process. This proprietary process includes trench-isolated transistors that lower internal parasitic capacitance, which improves gain bandwidth, phase margin, and capacitive load drive. The low supply current of 800 μA (typical) per amplifier is critical for portable or densely packed designs. In addition, the rail-to-rail output swing provides greater dynamic range and control than standard video amplifiers provide. These products operate from supplies of 5 V to as high as 18 V. The unique combination of an output drive of 70 mA, high slew rates, and high capacitive drive capability makes the AD8614/AD8644 an ideal choice for LCD applications. The AD8614 and AD8644 are specified over the temperature range of –20°C to +85°C. They are available in 5-lead SOT-23, 14-lead TSSOP, and 14-lead SOIC surface-mount packages in tape and reel. PIN CONFIGURATIONS OUT A 1 V– 2 +IN 3 –IN 4 V+ 5 AD8614 TOP VIEW (Not to Scale) Figure 1. 5-Lead SOT-23 (RJ-5) AD8644 TOP VIEW (Not to Scale) 1 2 3 4 5 6 7 –IN A +IN A V+ OUT B –IN B +IN B OUT A 14 13 12 11 10 9 8 –IN D +IN D V– OUT C –IN C +IN C OUT D Figure 2. 14-Lead TSSOP (RU-14) OUT A 1 –IN A 2 +IN A 3 V+ 4 OUT D 14 –IN D 13 +IN D 12 V– 11 +IN B 5 +IN C 10 –IN B 6 –IN C 9 OUT B 7 OUT C 8 AD8644 TOP VIEW (Not to Scale) Figure 3. 14-Lead Narrow Body SOIC (R-14) |
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