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ADA4851-2YRMZ-RL7 Arkusz danych(PDF) 1 Page - Analog Devices |
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ADA4851-2YRMZ-RL7 Arkusz danych(HTML) 1 Page - Analog Devices |
1 / 20 page Low Cost, High Speed, Rail-to-Rail, Output Op Amps ADA4851-1/ADA4851-2/ADA4851-4 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 ©2004–2007 Analog Devices, Inc. All rights reserved. FEATURES 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: 3 V to 10 V Low power: 2.5 mA/amplifier Power-down mode Available in space-saving packages 6-lead SOT-23, 8-lead MSOP, and 14-lead TSSOP APPLICATIONS 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)/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 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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