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AD8227ARMZ-R7 データシート(PDF) 1 Page - Analog Devices

部品番号 AD8227ARMZ-R7
部品情報  Wide Supply Range, Rail-to-Rail Output Instrumentation Amplifier
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メーカー  AD [Analog Devices]
ホームページ  http://www.analog.com
Logo AD - Analog Devices

AD8227ARMZ-R7 データシート(HTML) 1 Page - Analog Devices

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Wide Supply Range, Rail-to-Rail
Output Instrumentation Amplifier
AD8227
Rev. 0
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringementsof patentsorother
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
©2009 Analog Devices, Inc. All rights reserved.
TOP VIEW
(Not to Scale)
FEATURES
Gain set with 1 external resistor
Gain range: 5 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 supply: ±1.5 V to ±18 V
Bandwidth (G = 5): 250 kHz
CMRR (G = 5): 100 dB minimum (B Grade)
Input noise: 24 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
+VS
8
VOUT
7
REF
6
–VS
5
AD8227
Figure 1.
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
1 See www.analog.com for the latest selection of instrumentation amplifiers.
GENERAL DESCRIPTION
The AD8227 is a low cost, wide supply range instrumentation
amplifier that requires only one external resistor to set any gain
between 5 and 1000.
The AD8227 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 can
also go below the negative supply, small signals near ground can
be amplified without requiring dual supplies. The AD8227
operates on supplies ranging from ±1.5 V to ±18 V (2.2 V to
36 V single supply).
The robust AD8227 inputs are designed to connect to real-
world sensors. In addition to its wide operating range, the
AD8227 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 AD8227 is ideal for multichannel, space-constrained
applications. With its MSOP package and 125°C temperature
rating, the AD8227 thrives in tightly packed, zero airflow designs.
The AD8227 is available in 8-pin MSOP and SOIC packages.
It is fully specified for −40°C to +125°C operation.
For a similar instrumentation amplifier with a gain range of 1 to
1000, see the AD8226.


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