Rail-to-Rail Output Instrumentation Amplifier
Data Sheet
Wide Supply Range, Rail-to-Rail Output Instrumentation Amplifier
AD8226
FEATURES
Gain set with 1 external r...
Description
Data Sheet
Wide Supply Range, Rail-to-Rail Output Instrumentation Amplifier
AD8226
FEATURES
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
APPLICATIONS
Industrial process controls Bridge amplifiers Medical instrumentation Portable data acquisition Multichannel systems
PIN CONFIGURATION
–IN 1 RG 2 RG 3 +IN 4
AD8226
TOP VIEW (Not to Scale)
Figure 1.
8 +VS 7 VOUT 6 REF 5 –VS
07036-001
Table 1. Instrumentation Amplifiers by Category1
General Purpose
Zero Drift
Military Grade
Low Power
High Speed PGA
AD8220 AD8231 AD620
AD627 AD8250
AD8221 AD8290 AD621
AD623 AD8251
AD8222 AD8293 AD524
AD8223 AD8253
AD8224 AD8553 AD526
AD8226
AD8228 AD8556 AD624
AD8227
AD8295 AD8557
AD8235/ AD8236
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GENERAL DESCRIPTION
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 include...
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