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AD8420ARMZ PDF预览

AD8420ARMZ

更新时间: 2024-01-29 06:56:07
品牌 Logo 应用领域
亚德诺 - ADI 仪表放大器放大器电路光电二极管PC
页数 文件大小 规格书
28页 513K
描述
Wide Supply Range, Micropower,

AD8420ARMZ 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Obsolete零件包装代码:TSSOP
包装说明:TSSOP, TSSOP8,.19针数:8
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.33.00.01风险等级:5.79
Is Samacsys:N放大器类型:INSTRUMENTATION AMPLIFIER
JESD-30 代码:S-PDSO-G8JESD-609代码:e3
湿度敏感等级:1功能数量:1
端子数量:8最高工作温度:125 °C
最低工作温度:-40 °C封装主体材料:PLASTIC/EPOXY
封装代码:TSSOP封装等效代码:TSSOP8,.19
封装形状:SQUARE封装形式:SMALL OUTLINE
峰值回流温度(摄氏度):225电源:+-2.7/+-18/2.7/36 V
认证状态:Not Qualified子类别:Instrumentation Amplifier
最大压摆率:0.09 mA表面贴装:YES
温度等级:AUTOMOTIVE端子面层:MATTE TIN
端子形式:GULL WING端子节距:0.635 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
Base Number Matches:1

AD8420ARMZ 数据手册

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Wide Supply Range, Micropower,  
Rail-to-Rail Instrumentation Amplifier  
AD8420  
Data Sheet  
FEATURES  
PIN CONFIGURATION  
AD8420  
Maximum supply current: 80 μA  
Minimum CMRR: 100 dB  
Drives heavy capacitive loads: ~700 pF  
Rail-to-rail output  
Input voltage range goes below ground  
Gain set with 2 external resistors  
Can achieve low gain drift at any gain  
Very wide power supply range  
Single supply: 2.7 V to 36 V  
NC  
+IN  
–IN  
1
2
3
4
8
7
6
5
V
OUT  
+
FB  
+
REF  
TOP VIEW  
(Not to Scale)  
–V  
+V  
S
S
Figure 1.  
Table 1. Instrumentation Amplifiers by Category1  
Dual supply: 2.7 V to 18 V  
Bandwidth (G = 100): 2.5 kHz  
Input voltage noise: 55 nV/√Hz  
High dc precision  
Maximum offset voltage: 125 μV  
Maximum offset drift: 1 μV/°C  
Maximum differential input voltage: 1 V  
8-lead MSOP package  
Zero  
Military Low  
Grade Power  
Digital  
Gain  
General Purpose Drift  
AD8221, AD8222  
AD8220, AD8224  
AD8231 AD620  
AD8290 AD621  
AD8420  
AD8235,  
AD8236  
AD627  
AD8226,  
AD8227  
AD8250  
AD8251  
AD8226, AD8227  
AD8228  
AD8293 AD524  
AD8553 AD526  
AD8253  
AD8231  
AD8295, AD8224  
AD8556 AD624  
AD8557  
AD623  
AD8223  
APPLICATIONS  
1 See www.analog.com for the latest instrumentation amplifiers.  
Bridge amplifiers  
Pressure measurement  
Medical instrumentation  
Portable data acquisition  
Multichannel systems  
GENERAL DESCRIPTION  
Single-supply operation, micropower current consumption, and  
rail-to-rail output swing make the AD8420 ideal for battery-  
powered applications. Its rail-to-rail output stage maximizes  
dynamic range when operating from low supply voltages. Dual-  
supply operation (±±1 ꢀV and low power consumption make  
the AD8420 ideal for a wide variety of applications in medical  
or industrial instrumentation.  
The AD8420 is a low cost, micropower, wide supply range,  
instrumentation amplifier with a rail-to-rail output and a novel  
architecture that allows for extremely flexible design. It is optimized  
to amplify small differential voltages in the presence of large  
common-mode signals.  
The AD8420 is based on an indirect current feedback architecture  
that gives it an excellent input common-mode range. Unlike  
conventional instrumentation amplifiers, the AD8420 can easily  
amplify signals at or even slightly below ground without requiring  
dual supplies. The AD8420 has rail-to-rail output, and the output  
voltage swing is completely independent of the input common-  
mode voltage.  
The AD8420 is available in an 8-lead MSOP package. Performance  
is specified over the full temperature range of −40°C to +81°C,  
and the part is operational from −40°C to +±21°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  
©2012 Analog Devices, Inc. All rights reserved.  
 

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