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ADA4891-2ARZ-R7 Datasheet(PDF) 1 Page - Analog Devices |
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ADA4891-2ARZ-R7 Datasheet(HTML) 1 Page - Analog Devices |
1 / 24 page Low Cost CMOS, High Speed, Rail-to-Rail Amplifiers Data Sheet ADA4891-1/ADA4891-2/ADA4891-3/ADA4891-4 Rev. F Document Feedback Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringementsof patentsorother 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 ©2010–2015 Analog Devices, Inc. All rights reserved. Technical Support www.analog.com FEATURES Qualified for automotive applications High speed and fast settling −3 dB bandwidth: 220 MHz (G = +1) Slew rate: 170 V/μs Settling time to 0.1%: 28 ns Video specifications (G = +2, RL = 150 Ω) 0.1 dB gain flatness: 25 MHz Differential gain error: 0.05% Differential phase error: 0.25° Single-supply operation Wide supply range: 2.7 V to 5.5 V Output swings to within 50 mV of supply rails Low distortion: 79 dBc SFDR at 1 MHz Linear output current: 125 mA at −40 dBc Low power: 4.4 mA per amplifier APPLICATIONS Automotive infotainment systems Automotive driver assistance systems Imaging Consumer video Active filters Coaxial cable drivers Clock buffers Photodiode preamp Contact image sensor and buffers GENERAL DESCRIPTION The ADA4891-1 (single), ADA4891-2 (dual), ADA4891-3 (triple), and ADA4891-4 (quad) are CMOS, high speed amplifiers that offer high performance at a low cost. The amplifiers feature true single-supply capability, with an input voltage range that extends 300 mV below the negative rail. In spite of their low cost, the ADA4891-1/ADA4891-2/ADA4891-3/ ADA4891-4 family provides high performance and versatility. The rail-to-rail output stage enables the output to swing to within 50 mV of each rail, enabling maximum dynamic range. The ADA4891-1/ADA4891-2/ADA4891-3/ADA4891-4 family of amplifiers is ideal for imaging applications, such as consumer video, CCD buffers, and contact image sensor and buffers. Low distortion and fast settling time also make them ideal for active filter applications. The ADA4891-1/ADA4891-2/ADA4891-3/ADA4891-4 are avail- able in a wide variety of packages. The ADA4891-1 is available in 8-lead SOIC and 5-lead SOT-23 packages. The ADA4891-2 is available in 8-lead SOIC and 8-lead MSOP packages. The ADA4891-3 and ADA4891-4 are available in 14-lead SOIC and CONNECTION DIAGRAMS NC 1 –IN 2 +IN 3 –VS 4 NC 8 +VS 7 OUT 6 NC 5 ADA4891-1 NC = NO CONNECT Figure 1. 8-Lead SOIC_N (R-8) OUT 1 +IN 3 –VS 2 +VS 5 –IN 4 ADA4891-1 Figure 2. 5-Lead SOT-23 (RJ-5) ADA4891-2 OUT1 1 –IN1 2 +IN1 3 –VS 4 +VS 8 OUT2 7 –IN2 6 +IN2 5 NC = NO CONNECT Figure 3. 8-Lead SOIC_N (R-8) and 8-Lead MSOP (RM-8) PD1 1 OUT2 14 PD2 2 –IN2 13 PD3 3 +IN2 12 +VS 4 –VS 11 +IN1 5 +IN3 10 –IN1 6 –IN3 9 OUT1 7 OUT3 8 ADA4891-3 Figure 4. 14-Lead SOIC_N (R-14) and 14-Lead TSSOP (RU-14) +VS +IN2 OUT2 OUT4 +IN4 –VS +IN3 OUT3 +IN1 OUT1 1 2 3 4 5 6 7 14 13 12 11 10 9 8 –IN1 –IN2 –IN4 –IN3 ADA4891-4 Figure 5. 14-Lead SOIC_N (R-14) and 14-Lead TSSOP (RU-14) 14-lead TSSOP packages. The amplifiers are specified to operate over the extended temperature range of −40°C to +125°C. |
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