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ADA4000-2ARMZ-RL1 Datasheet(PDF) 1 Page - Analog Devices |
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ADA4000-2ARMZ-RL1 Datasheet(HTML) 1 Page - Analog Devices |
1 / 16 page Low Cost, Precision JFET Input Operational Amplifiers ADA4000-1/ADA4000-2/ADA4000-4 Rev. A 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 www.analog.com Fax: 781.461.3113 ©2007—2009 Analog Devices, Inc. All rights reserved. FEATURES High slew rate: 20 V/μs Fast settling time Low offset voltage: 1.70 mV maximum Bias current: 40 pA maximum ±4 V to ±18 V operation Low voltage noise: 16 nV/ √Hz Unity gain stable Common-mode voltage includes +VS Wide bandwidth: 5 MHz APPLICATIONS Reference gain/buffers Level shift/driving Active filters Power line monitoring/control Current/voltage sense or monitoring Data acquisition Sample-and-hold circuits Integrators GENERAL DESCRIPTION The ADA4000-1/ADA4000-2/ADA4000-4 are JFET input operational amplifiers featuring precision, very low bias current, and low power. Combining high input impedance, low input bias current, wide bandwidth, fast slew rate, and fast settling time, the ADA4000-1/ADA4000-2/ADA4000-4 are ideal amplifiers for driving analog-to-digital inputs and buffering digital-to-analog converter outputs. The input common-mode voltage includes the positive power supply, which makes the part an excellent choice for high-side signal conditioning. Additional applications for the ADA4000-1/ADA4000-2/ ADA4000-4 include electronic instruments, ATE amplification, buffering, integrator circuits, instrumentation-quality photodiode amplification, and fast precision filters (including PLL filters). The parts also include utility functions, such as reference buffering, level shifting, control I/O interface, power supply control, and monitoring functions. PIN CONFIGURATIONS OUT 1 V– 2 +IN 3 V+ 5 –IN 4 ADA4000-1 TOP VIEW (Not to Scale) Figure 1. 5-Lead TSOT (UJ-5) NC 1 –IN 2 +IN 3 V– 4 NC 8 V+ 7 OUT 6 NC 5 NC = NO CONNECT ADA4000-1 TOP VIEW (Not to Scale) Figure 2. 8-Lead SOIC (R-8) OUT A 1 –IN A 2 +IN A 3 –V 4 +V 8 OUT B 7 –IN B 6 +IN B 5 ADA4000-2 TOP VIEW (Not to Scale) Figure 3. 8-Lead SOIC (R-8) OUT A 1 –IN A 2 +IN A 3 –V 4 +V 8 OUT B 7 –IN B 6 +IN B 5 ADA4000-2 TOP VIEW (Not to Scale) Figure 4. 8-Lead MSOP (RM-8) 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 ADA4000-4 TOP VIEW (Not to Scale) Figure 5. 14-Lead SOIC (R-14) ADA4000-4 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 TOP VIEW (Not to Scale) Figure 6. 14-Lead TSSOP (RU-14) |
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