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AD8042ACHIPS 데이터시트(PDF) 1 Page - Analog Devices |
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AD8042ACHIPS 데이터시트(HTML) 1 Page - Analog Devices |
1 / 16 page Dual 160 MHz Rail-to-Rail Amplifier AD8042 Rev. E 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 ©2007 Analog Devices, Inc. All rights reserved. FEATURES Single AD8041 and quad AD8044 also available Fully specified at +3 V, +5 V, and ±5 V supplies Output swings to within 30 mV of either rail Input voltage range extends 200 mV below ground No phase reversal with inputs 0.5 V beyond supplies Low power of 5.2 mA per amplifier High speed and fast settling on 5 V 160 MHz, −3 dB bandwidth (G = +1) 200 V/μs slew rate 39 ns settling time to 0.1% Good video specifications (RL = 150 Ω, G = +2) Gain flatness of 0.1 dB to 14 MHz 0.02% differential gain error 0.04° differential phase error Low distortion: −64 dBc worst harmonic @ 10 MHz Drives 50 mA 0.5 V from supply rails APPLICATIONS Video switchers Distribution amplifiers Analog-to-digital drivers Professional cameras CCD Imaging systems Ultrasound equipment (multichannel) GENERAL DESCRIPTION The AD8042 is a low power voltage feedback, high speed amplifier designed to operate on +3 V, +5 V, or ±5 V supplies. It has true single-supply capability with an input voltage range extending 200 mV below the negative rail and within 1 V of the positive rail. 2.5V 5.0V 0V G = +1 RL = 2kΩ TO 2.5V 1V 1µs Figure 1. Output Swing: Gain = +1, VS = +5 V CONNECTION DIAGRAM 8 7 6 5 OUT1 –IN1 +IN1 –VS OUT2 +VS –IN2 +IN2 1 2 3 4 AD8042 Figure 2. 8-Lead PDIP and 8-Lead SOIC_N The output voltage swing extends to within 30 mV of each rail, providing the maximum output dynamic range. Additionally, it features gain flatness of 0.1 dB to 14 MHz while offering differential gain and phase error of 0.04% and 0.06° on a single 5 V supply. This combination of features makes the AD8042 useful for professional video electronics, such as cameras, video switchers, or any high speed portable equipment. The low distortion and fast settling of the AD8042 make it ideal for buffering single- supply, high speed analog-to-digital converters (ADCs). The AD8042 offers a low power supply current of 12 mA maximum and can run on a single 3.3 V power supply. These features are ideally suited for portable and battery-powered applications where size and power are critical. The wide bandwidth of 160 MHz along with 200 V/μs of slew rate on a single 5 V supply make the AD8042 useful in many general-purpose, high speed applications where single supplies from +3.3 V to +12 V and dual power supplies of up to ±6 V are needed. The AD8042 is available in 8-lead PDIP and 8-lead SOIC_N packages. 15 12 9 6 3 0 –3 –6 –9 –12 –15 1 500 100 10 FREQUENCY (MHz) VS = 5V G = +1 CL = 5pF RL = 2kΩ TO 2.5V Figure 3. Frequency Response |
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