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AD8667 Datasheet(PDF) 1 Page - Analog Devices

Part No. AD8667
Description  16 V, 250 μA, Dual Precision, CMOS, Rail-to-Rail Output Operational Amplifier
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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AD8667 Datasheet(HTML) 1 Page - Analog Devices

 
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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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