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ADA4851-2YRMZ Arkusz danych(PDF) 1 Page - Analog Devices |
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ADA4851-2YRMZ Arkusz danych(HTML) 1 Page - Analog Devices |
1 / 24 page Low Cost, High Speed, Rail-to-Rail, Output Op Amps ADA4851-1/ADA4851-2/ADA4851-4 Rev. J 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 ©2004–2010 Analog Devices, Inc. All rights reserved. FEATURES Qualified for automotive applications High speed 130 MHz, −3 dB bandwidth 375 V/μs slew rate 55 ns settling time to 0.1% Excellent video specifications 0.1 dB flatness: 11 MHz Differential gain: 0.08% Differential phase: 0.09° Fully specified at +3 V, +5 V, and ±5 V supplies Rail-to-rail output Output swings to within 60 mV of either rail Low voltage offset: 0.6 mV Wide supply range: 2.7 V to 12 V Low power: 2.5 mA per amplifier Power-down mode Available in space-saving packages 6-lead SOT-23, 8-lead MSOP, and 14-lead TSSOP APPLICATIONS Automotive infotainment systems Automotive driver assistance systems Consumer video Professional video Video switchers Active filters Clock buffers PIN CONFIGURATIONS VOUT 1 +IN 3 2 ADA4851-1 TOP VIEW (Not to Scale) –VS +VS 6 –IN 4 5 POWER DOWN Figure 1. ADA4851-1, 6-Lead SOT-23 (RJ-6) OUT1 1 –IN1 2 +IN1 3 –VS 4 +VS 8 OUT 7 –IN2 6 +IN2 5 ADA4851-2 TOP VIEW (Not to Scale) Figure 2. ADA4851-2, 8-Lead MSOP (RM-8) 1 2 3 4 5 6 7 ADA4851-4 TOP VIEW (Not to Scale) –IN 1 +IN 1 +VS VOUT 2 –IN 2 +IN 2 VOUT 1 14 13 12 11 10 9 8 –IN 4 +IN 4 –VS VOUT 3 –IN 3 +IN 3 VOUT 4 Figure 3. ADA4851-4, 14-Lead TSSOP (RU-14) GENERAL DESCRIPTION The ADA4851-1 (single), ADA4851-2 (dual), and ADA4851-4 (quad) are low cost, high speed, voltage feedback rail-to-rail output op amps. Despite their low price, these parts provide excellent overall performance and versatility. The 130 MHz, −3 dB bandwidth and high slew rate make these amplifiers well suited for many general-purpose, high speed applications. The ADA4851 family is designed to operate at supply voltages as low as +3 V and up to ±5 V. These parts provide true single- supply capability, allowing input signals to extend 200 mV below the negative rail and to within 2.2 V of the positive rail. On the output, the amplifiers can swing within 60 mV of either supply rail. With their combination of low price, excellent differential gain (0.08%), differential phase (0.09º), and 0.1 dB flatness out to 11 MHz, these amplifiers are ideal for consumer video applications. The ADA4851-1W, ADA4851-2W, and ADA4851-4W are automotive grade versions, qualified for automotive applications. See the Automotive Products section for more details. The ADA4851 family is designed to work over the extended temperature range (−40°C to +125°C). 1 100 10 1k FREQUENCY (MHz) –6 –4 –5 –2 –3 0 –1 2 1 4 3 G = +1 VS = 5V RL = 1kΩ CL = 5pF Figure 4. Small-Signal Frequency Response |
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