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AD8668ARZ-REEL7 Datasheet(PDF) 1 Page - Analog Devices |
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AD8668ARZ-REEL7 Datasheet(HTML) 1 Page - Analog Devices |
1 / 16 page 16 V, 4 MHz RR0 Amplifiers AD8665/AD8666/AD8668 Rev. B Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityisassumedbyAnalogDevicesforitsuse,norforanyinfringementsofpatentsorother 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 ©2006–2011 Analog Devices, Inc. All rights reserved. FEATURES Offset voltage: 2.5 mV max Low input bias current: 1 pA max Single-supply operation: 5 V to 16 V Dual-supply operation: ±2.5 V to ±8 V Low noise: 8 nV/√Hz @ 10 kHz Wide bandwidth: 4 MHz Rail-to-rail output Unity-gain stable Lead-free packaging AD8666/AD8668 qualified for automotive applications APPLICATIONS Sensor amplification Reference buffers Medical equipment Physiological measurements Signal filters and conditioning Consumer audio Photodiode amplification ADC driver Level shifting circuits GENERAL DESCRIPTION The AD866x family is single supply, rail-to-rail output amplifiers with low noise performance featuring an extended operating range with supply voltages up to 16 V. They also feature low input bias currents, wide signal bandwidth, and low input voltage and current noise. For lower offset voltage, choose the AD8661/AD8662/AD8664 family. The combination of low offsets, very low input bias currents, and wide supply range make these amplifiers useful in a wide variety of cost sensitive applications normally associated with much higher priced JFET amplifiers. Systems using high impedance sensors, such as photo diodes, benefit from the combination of low input bias current, low noise, and low offset and bandwidth. The wide operating voltage range matches high performance ADCs and DACs. Audio applications and medical monitoring equipment can take advantage of the high input impedance, low voltage and current noise, wide bandwidth, and the lack of popcorn noise found in many other low input bias current amplifiers. The AD866x family is specified over the extended industrial temperature range (−40°C to +125°C). See the Ordering Guide for automotive models. PIN CONFIGURATIONS Figure 1. AD8665, 5-Lead SOT-23 (RJ-5) Figure 2. AD8665, 8-Lead SOIC_N (R-8) Figure 3. AD8666, 8-Lead SOIC_N (R-8) Figure 4. AD8666, 8-Lead MSOP (RM-8) Figure 5. AD8668, 14-Lead TSSOP (RU-14) Figure 6. AD8668, 14-Lead SOIC_N (R-14) 1 2 3 5 4 –IN +IN V+ OUT AD8665 TOP VIEW (Not to Scale) V– NC 1 –IN 2 +IN 3 VEE 4 NC 8 VCC 7 OUT 6 NC 5 AD8665 TOP VIEW (Not to Scale) NC = NO CONNECT OUT A 1 –IN A 2 +IN A 3 V– 4 V+ 8 OUT B 7 –IN B 6 +IN B 5 AD8666 TOP VIEW (Not to Scale) OUT A 1 –IN A 2 +IN A 3 V– 4 V+ 8 OUT B 7 –IN B 6 +IN B 5 AD8666 TOP VIEW (Not to Scale) 1 2 3 4 5 6 7 AD8668 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) OUT A –IN A +IN A V+ OUT D –IN D +IN D V– +IN B +IN C –IN B OUT B –IN C OUT C AD8648 TOP VIEW (Not to Scale) OUT A AD8668 TOP VIEW (Not to Scale) AD8648 TOP VIEW (Not to Scale) 6 1 2 3 4 5 7 14 13 12 11 10 9 8 AD8668 TOP VIEW (Not to Scale) |
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