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AD8226 Datasheet PDF

Part Series:AD8226 Series
Description:Wide Supply Range, Rail-to-Rail Output Instrumentation Amplifier
Document:AD8226ARMZ Datasheet PDF (30 Pages)

AD8226 Datasheet PDF

29 Pages
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INST Amp Single R-R O/P ±18V/36V 8Pin SOIC N T/R
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INST Amp Single R-R O/P ±18V/36V 8Pin MSOP T/R
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INST Amp Single R-R O/P ±18V/36V 8Pin SOIC N T/R
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INST Amp Single R-R O/P ±18V/36V 8Pin MSOP T/R
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ADI
Wide Supply Range, Rail-to-Rail Output Instrumentation Amplifier

AD8226 - ADI Function Overview

Product Details
The AD8226 is a low cost, wide supply range instrumentation amplifier that requires only one external resistor to set any gain between 1 and 1000.
The AD8226 is designed to work with a variety of signal voltages. A wide input range and rail-to-rail output allow the signal to make full use of the supply rails. Because the input range also includes the ability to go below the negative supply, small signals near ground can be amplified without requiring dual supplies. The AD8226 operates on supplies ranging from ±1.35 V to ±18 V for dual supplies and 2.2 V to 36 V for single supply.
The robust AD8226 inputs are designed to connect to real-world sensors. In addition to its wide operating range, the AD8226 can handle voltages beyond the rails. For example, with a ±5 V supply, the part is guaranteed to withstand ±35 V at the input with no damage. Minimum as well as maximum input bias currents are specified to facilitate open wire detection.
The AD8226 is perfect for multichannel, space-constrained industrial applications. Unlike other low cost, low power instrumentation amplifiers, the AD8226 is designed with a minimum gain of 1 and can easily handle ±10 V signals. With its MSOP package and 125°C temperature rating, the AD8226 thrives in tightly packed, zero airflow designs.
The AD8226 is available in 8-lead MSOP and SOIC packages, and is fully specified for −40°C to +125°C operation.
For a device with a similar package and performance as the AD8226 but with gain settable from 5 to 1000, consider using the AD8227.
Applications
Industrial process controls
Bridge amplifiers
Medical instrumentation
Portable data acquisition
Multichannel systems
Data Sheet, Rev A, 7/2009
### Features and Benefits
Gain set with 1 external resistor
Gain range: 1 to 1000 
Input voltage goes below ground 
Inputs protected beyond supplies 
Very wide power supply range
Single supply: 2.2 V to 36 V
Dual supplies: ±1.35 V to ±18 V
Bandwidth (G = 1): 1.5 MHz 
CMRR (G = 1): 90 dB minimum for BR models 
Input noise: 22 nV/√Hz 
Typical supply current: 350 μA 
Specified temperature: −40°C to +125°C 
8-lead SOIC and MSOP packages
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