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AD8226 데이터시트 PDF




Analog Devices에서 제조한 전자 부품 AD8226은 전자 산업 및 응용 분야에서
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부품번호 AD8226 기능
기능 Rail-to-Rail Output Instrumentation Amplifier
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AD8226 데이터시트, 핀배열, 회로
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
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
1 Visit www.analog.com for the latest instrumentation amplifiers.
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 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.
Rev. C
Document Feedback
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. 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 ©2009–2012 Analog Devices, Inc. All rights reserved.
Technical Support
www.analog.com




AD8226 pdf, 반도체, 판매, 대치품
AD8226
Data Sheet
Parameter
Settling Time 0.01%
G=1
G = 10
G = 100
G = 1000
Slew Rate
GAIN
Gain Range
Gain Error
G=1
G = 5 to 1000
Gain Nonlinearity
G = 1 to 10
G = 100
G = 1000
Gain vs. Temperature2
G=1
G>1
INPUT
Input Impedance
Differential
Common Mode
Input Operating Voltage Range3
Input Overvoltage Range
OUTPUT
Output Swing
RL = 2 kΩ to Ground
RL = 10 kΩ to Ground
RL = 100 kΩ to Ground
Short-Circuit Current
POWER SUPPLY
Operating Range
Quiescent Current
TEMPERATURE RANGE
Conditions
10 V step
G=1
G = 5 to 100
G = 1 + (49.4 kΩ/RG)
VOUT ±10 V
VOUT = −10 V to +10 V
RL ≥ 2 kΩ
RL ≥ 2 kΩ
RL ≥ 2 kΩ
TA = −40°C to +85°C
TA = 85°C to 125°C
TA = −40°C to +125°C
VS = ±1.35 V to +36 V
TA = +25°C
TA = +125°C
TA = −40°C
TA = −40°C to +125°C
TA = +25°C
TA = +125°C
TA = −40°C
TA = +25°C
TA = +125°C
TA = −40°C
TA = −40°C to +125°C
Dual-supply operation
TA = +25°C
TA = −40°C
TA = +85°C
TA = +125°C
ARZ, ARMZ
Min Typ Max
25
15
40
350
0.4
0.6
1 1000
0.015
0.15
10
75
750
5
5
−100
BRZ, BRMZ
Min Typ Max
25
15
40
350
0.4
0.6
1 1000
0.01
0.1
10
75
750
1
2
−100
Unit
µs
µs
µs
µs
V/µs
V/µs
V/V
%
%
ppm
ppm
ppm
ppm/°C
ppm/°C
ppm/°C
−VS − 0.1
−VS − 0.05
−VS − 0.15
+VS − 40
0.8||2
0.4||2
+VS − 0.8
+VS − 0.6
+VS − 0.9
−VS + 40
−VS − 0.1
−VS − 0.05
−VS − 0.15
+VS − 40
0.8||2
0.4||2
+VS − 0.8
+VS − 0.6
+VS − 0.9
−VS + 40
GΩ||pF
GΩ||pF
V
V
V
V
−VS + 0.4
−VS + 0.4
−VS + 1.2
−VS + 0.2
−VS + 0.3
−VS + 0.2
−VS + 0.1
13
+VS − 0.7
+VS – 1.0
+VS – 1.1
−VS + 0.4
−VS + 0.4
−VS + 1.2
+VS − 0.2
+VS − 0.3
+VS − 0.2
−VS + 0.2
−VS + 0.3
−VS + 0.2
+VS − 0.1 −VS + 0.1
13
+VS − 0.7
+VS – 1.0
+VS – 1.1
V
V
V
+VS − 0.2
+VS − 0.3
+VS − 0.2
V
V
V
+VS − 0.1 V
mA
±1.35
−40
±18
350 425
250 325
450 525
525 600
+125
±1.35
−40
±18
350 425
250 325
450 525
525 600
+125
V
µA
µA
µA
µA
°C
1 The input stage uses pnp transistors; therefore, input bias current always flows out of the part.
2 The values specified for G > 1 do not include the effects of the external gain-setting resistor, RG.
3 Input voltage range of the AD8226 input stage. The input range depends on the common-mode voltage, the differential voltage, the gain, and the reference voltage.
See the Input Voltage Range section for more information.
Rev. C | Page 4 of 28

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AD8226 전자부품, 판매, 대치품
Data Sheet
ABSOLUTE MAXIMUM RATINGS
Table 4.
Parameter
Supply Voltage
Output Short-Circuit Current
Maximum Voltage at −IN or +IN
Minimum Voltage at −IN or +IN
REF Voltage
Storage Temperature Range
Specified Temperature Range
Maximum Junction Temperature
ESD
Human Body Model
Charge Device Model
Machine Model
Rating
±18 V
Indefinite
−VS + 40 V
+VS − 40 V
±VS
−65°C to +150°C
−40°C to +125°C
140°C
1.5 kV
1.5 kV
100 V
Stresses above those listed under Absolute Maximum Ratings
may cause permanent damage to the device. This is a stress
rating only; functional operation of the device at these or any
other conditions above those indicated in the operational
section of this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect
device reliability.
THERMAL RESISTANCE
θJA is specified for a device in free air.
Table 5. Thermal Resistance
Package
8-Lead MSOP, 4-Layer JEDEC Board
8-Lead SOIC, 4-Layer JEDEC Board
ESD CAUTION
AD8226
θJA Unit
135 °C/W
121 °C/W
Rev. C | Page 7 of 28

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