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AD8667ARZ Datasheet(PDF) 1 Page - Analog Devices |
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AD8667ARZ Datasheet(HTML) 1 Page - Analog Devices |
1 / 16 page 16 V, 250 μA, Dual Precision, CMOS, Rail-to-Rail Output Operational Amplifier AD8667 Rev. 0 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 ©2007 Analog Devices, Inc. All rights reserved. FEATURES Lower power at high voltage: 180 μA typical Low offset voltage: 100 μV Voltage noise 21 nV/√Hz at 10 kHz 23 nV/√Hz at 1 kHz Low input bias current: 300 fA Single-supply operation: 5 V to 16 V Dual-supply operation: ±2.5 V to ±8 V Output drive: 10 mA Unity gain stable APPLICATIONS Medical equipment Physiological measurement Precision references Buffer/level shifting Portable operated systems High density power budget systems Multipole filters Sensors Photodiode amplification ADC drivers PIN CONFIGURATION OUT A 1 –IN A 2 +IN A 3 V– 4 V+ 8 OUT B 7 –IN B 6 +IN B 5 AD8667 TOP VIEW (Not to Scale) Figure 1. 8-Lead MSOP, 8-Lead SOIC GENERAL DESCRIPTION The AD8667 is a dual, rail-to-rail output, single-supply/dual-supply amplifier that uses Analog Devices, Inc. patented DigiTrim® trimming technique to achieve low offset voltage, 300 μV over the common-mode range. The AD8667 features an extended operating range with supply voltages up to 16 V for low power operation with an ISY of <325 μA per amplifier over temperature. The device is designed for low noise at higher voltages: 21 nV/√Hz at 10 kHz and 23 nV/√Hz at 1 kHz. It also features a low input bias current of 300 fA and a 10 mA output drive. The combination of low supply currents, low offsets, very low input bias currents, and wide supply range makes the AD8667 ideal for a wide variety of low power applications. Systems utilizing dc-to-low frequency measurements or high impedance sensors, such as photodiodes, benefit from the low input bias current, low noise, low offset, and low drive current. The wide operating voltage range matches today’s high performance ADCs and DACs. Medical monitoring equipment can take advantage of the low voltage noise, high input impedance, low voltage, and low current noise. The AD8667 is specified over the extended industrial temperature range of −40°C to +125°C. |
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