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AD8641ARZ-REEL7 Datenblatt(PDF) 1 Page - Analog Devices |
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AD8641ARZ-REEL7 Datenblatt(HTML) 1 Page - Analog Devices |
1 / 15 page Low Power, Rail-to-Rail Output, Precision JFET Amplifiers Data Sheet AD8641/AD8642/AD8643 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 ©2004–2016 Analog Devices, Inc. All rights reserved. Technical Support www.analog.com FEATURES Low supply current: 250 μA max Very low input bias current: 1 pA max Low offset voltage: 750 μV max Single-supply operation: 5 V to 26 V Dual-supply operation: ±2.5 V to ±13 V Rail-to-rail output Unity-gain stable No phase reversal SC70 package APPLICATIONS Line-/battery-powered instruments Photodiode amplifiers Precision current sensing Medical instrumentation Industrial controls Precision filters Portable audio ATE GENERAL DESCRIPTION The AD8641/AD8642/AD8643 are low power, precision JFET input amplifiers featuring extremely low input bias current and rail-to-rail output. The ability to swing nearly rail-to-rail at the input and rail-to-rail at the output enables designers to buffer complementary metal-oxide semiconductor digital-to-analog converters (CMOS DACs), ASICs, and other wide output swing devices in single-supply systems. The outputs remain stable with capacitive loads of more than 500 pF. The AD8641/AD8642/AD8643 are suitable for applications utilizing multichannel boards that require low power to manage heat. Other applications include photodiodes, ATE reference level drivers, battery management, and industrial controls. The AD8641/AD8642/AD8643 are fully specified over the extended industrial temperature range of −40°C to +125°C. The AD8641 is available in 5-lead SC70 and 8-lead SOIC lead-free packages. The AD8642 is available in 8-lead MSOP and 8-lead SOIC lead-free packages. The AD8643 is available in 14-lead SOIC and 16-lead, 3 mm × 3 mm, LFCSP lead-free packages. PIN CONFIGURATIONS OUT 1 +IN 3 VEE 2 VCC 5 –IN 4 AD8641 TOP VIEW (Not to Scale) Figure 1. 5-Lead SC70 (KS-5) NIC –IN +IN VEE NIC VCC OUT NIC NIC = NO INTERNAL CONNECTION. 1 2 3 4 8 7 6 5 AD8641 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 AD8642 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 AD8642 TOP VIEW (Not to Scale) Figure 4. 8-Lead MSOP (RM-8) OUT A 1 OUT D 14 –IN A 2 –IN D 13 +IN A 3 +IN D 12 V+ 4 V– 11 +IN B 5 +IN C 10 –IN B 6 –IN C 9 OUT B 7 OUT C 8 TOP VIEW (Not to Scale) AD8643 Figure 5. 14-Lead SOIC (R-14) +IN C V– +IN D –IN D –IN A +IN B V+ +IN A PIN 1 INDICATOR NOTES 1. NIC = NO INTERNAL CONNECTION. 2. EXPOSED PAD SHOULD BE CONNECTED TO V+. 12 11 10 1 3 4 9 2 AD8643 TOP VIEW Figure 6. 16-Lead LFCSP (CP-16-27) (Not Drawn to Scale) |
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Ähnliche Beschreibung - AD8641ARZ-REEL7 |
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