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AD8236ARMZ1 PDF预览

AD8236ARMZ1

更新时间: 2024-11-18 12:52:31
品牌 Logo 应用领域
亚德诺 - ADI 仪表放大器
页数 文件大小 规格书
20页 514K
描述
40 μA Micropower Instrumentation Amplifier with Zero Crossover Distortion

AD8236ARMZ1 数据手册

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40 μA Micropower Instrumentation  
Amplifier with Zero Crossover Distortion  
AD8236  
CONNECTION DIAGRAM  
FEATURES  
Low power: 40 μA supply current (maximum)  
Low input currents  
1 pA input bias current  
0.5 pA input offset current  
High CMRR: 110 dB CMRR, G = 100  
Space-saving MSOP  
–IN  
1
2
3
4
8
7
6
5
+V  
V
S
R
G
OUT  
R
REF  
G
+IN  
–V  
S
AD8236  
TOP VIEW  
(Not to Scale)  
Zero input crossover distortion  
Rail-to-rail input and output  
Gain set with single resistor  
Operates from 1.8 V to 5.5 V  
Figure 1.  
5.0  
4.5  
4.0  
3.5  
3.0  
2.5  
2.0  
1.5  
1.0  
0.5  
0
G = 5  
APPLICATIONS  
V
V
= 5V  
S
= 2.5V  
REF  
Medical instrumentation  
Low-side current sense  
Portable devices  
G = 5  
V
V
= 1.8V  
S
= 0.9V  
REF  
–0.5  
0
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5  
OUTPUT VOLTAGE (V)  
Figure 2. Wide Common-Mode Voltage Range vs. Output Voltage  
GENERAL DESCRIPTION  
The AD8236 is the lowest power instrumentation amplifier  
in the industry. It has rail-to-rail outputs and can operate on  
voltages as low as 1.8 V. Its 40 μA maximum supply current  
makes it an excellent choice in battery-powered applications.  
Table 1. Instrumentation Amplifiers by Category1  
General  
Purpose Zero Drift  
Military Low  
High Speed  
PGA  
Grade  
AD620  
AD621  
AD624  
AD524  
Power  
AD8220  
AD8221  
AD8222  
AD8228  
AD8295  
AD8230  
AD8231  
AD8290  
AD8293G80  
AD8236 AD8250  
AD627  
AD623  
AD8223  
AD8226  
AD8251  
AD8253  
The AD8236s high input impedance, low input bias current of  
1 pA, high CMRR of 110 dB (G = 100), small size, and low power  
offer tremendous value. It has a wider common-mode voltage  
range than typical three-op-amp instrumentation amplifiers,  
making this a great solution for applications that operate on a  
single 1.8 V or 3 V supply. An innovative input stage allows for  
a wide rail-to-rail input voltage range without the crossover  
distortion common in other designs.  
AD8293G160 AD526  
AD8553  
AD8556  
AD8557  
1 See www.analog.com/inamps for the latest instrumentation amplifiers.  
The AD8236 is available in an 8-lead MSOP and is specified  
over the industrial temperature range of −40°C to +125°C.  
Rev. 0  
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.  
Trademarks and registeredtrademarks arethe property of their respective owners.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781.329.4700  
Fax: 781.461.3113  
www.analog.com  
©2009 Analog Devices, Inc. All rights reserved.  
 

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