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AD8293G160BRJZ-R7 PDF预览

AD8293G160BRJZ-R7

更新时间: 2024-01-01 22:21:16
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
页数 文件大小 规格书
16页 390K
描述
Low Cost, Zero-Drift In-Amp with Filter and Fixed Gain

AD8293G160BRJZ-R7 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Active零件包装代码:SOIC
包装说明:LSSOP,针数:8
Reach Compliance Code:unknown风险等级:5.75
放大器类型:INSTRUMENTATION AMPLIFIER最大平均偏置电流 (IIB):0.002 µA
最小共模抑制比:106 dB最大输入失调电流 (IIO):0.004 µA
最大输入失调电压:20 µVJESD-30 代码:R-PDSO-G8
JESD-609代码:e4长度:2.9 mm
湿度敏感等级:1最大非线性:0.009%
功能数量:1端子数量:8
最高工作温度:85 °C最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY封装代码:LSSOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, LOW PROFILE, SHRINK PITCH
峰值回流温度(摄氏度):260认证状态:COMMERCIAL
座面最大高度:1.45 mm子类别:Instrumentation Amplifier
供电电压上限:6 V标称供电电压 (Vsup):2.7 V
表面贴装:YES温度等级:INDUSTRIAL
端子面层:NICKEL PALLADIUM GOLD端子形式:GULL WING
端子节距:0.65 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:1.6 mm
Base Number Matches:1

AD8293G160BRJZ-R7 数据手册

 浏览型号AD8293G160BRJZ-R7的Datasheet PDF文件第2页浏览型号AD8293G160BRJZ-R7的Datasheet PDF文件第3页浏览型号AD8293G160BRJZ-R7的Datasheet PDF文件第4页浏览型号AD8293G160BRJZ-R7的Datasheet PDF文件第5页浏览型号AD8293G160BRJZ-R7的Datasheet PDF文件第6页浏览型号AD8293G160BRJZ-R7的Datasheet PDF文件第7页 
Low Cost, Zero-Drift In-Amp  
with Filter and Fixed Gain  
AD8293G80/AD8293G160  
FUNCTIONAL BLOCK DIAGRAM  
FEATURES  
Small package: 8-lead SOT-23  
Reduced component count  
7
5
6
+V  
FILT  
R2  
OUT  
S
Incorporates gain resistors and filter resistors  
Low offset voltage: 20 μV maximum  
Low offset drift: 0.3 μV/°C maximum  
Low gain drift: 25 ppm/°C maximum  
High CMR: 140 dB typical  
+IN  
8
1
R3  
5k  
R1  
4kΩ  
4
IN-AMP  
ADC OUT  
OUTPUT TO ADC  
WITH ANTIALIASING  
FILTER  
–IN  
Low noise: 0.7 μV p-p from 0.01 Hz to 10 Hz  
Single-supply operation: 1.8 V to 5.5 V  
Rail-to-rail output  
GND REF  
2
AD8293Gxx  
3
Figure 1.  
Available in 2 fixed-gain models  
+5V  
APPLICATIONS  
C2  
0.1µF  
Current sensing  
Strain gauges  
Laser diode control loops  
Portable medical instruments  
Thermocouple amplifiers  
7
5
6
+VS  
FILT  
R2  
OUT  
LOAD  
I
+IN  
8
1
R3  
5k  
R1  
4kΩ  
4
RSHUNT  
ADC  
IN-AMP  
ADC OUT  
C3  
–IN  
REF  
+3.3V  
1.8V  
DC-DC  
0.1µF  
10µF  
GND REF  
AD8293Gxx  
2
3
Figure 2. Measuring Current Using the AD8293G80/AD8293G160  
Table 1. AD8293Gxx Models and Gains  
Model  
Gain  
AD8293G80  
AD8293G160  
80  
160  
GENERAL DESCRIPTION  
The AD8293G80/AD8293G160 are small, low cost, precision  
instrumentation amplifiers that have low noise and rail-to-rail  
outputs. They are available in two fixed-gain models: 80 and 160.  
They incorporate the gain setting resistors and filter resistors,  
reducing the number of ancillary components. For example,  
only two external capacitors are needed to implement a 2-pole  
filter. The AD8293G80/AD8293G160 also feature low offset  
voltage, offset drift, and gain drift coupled with high common-  
mode rejection. They are capable of operating on a supply of  
1.8 V to 5.5 V.  
Precision instrumentation, position and pressure sensors,  
medical instrumentation, and strain gauge amplifiers benefit  
from the low noise, low input bias current, and high common-  
mode rejection. The small footprint and low cost are ideal for  
high volume applications.  
The small package and low power consumption allow the maxi-  
mum channel density and the minimum board size required for  
portable systems. Designed for ease of use, these instrumentation  
amplifiers, unlike more traditional ones, have a buffered reference,  
eliminating the need for an additional op amp to set the reference  
voltage to midsupply.  
With a low offset voltage of 20 μV (AD8293G160B), an offset  
voltage drift of 0.3 μV/°C, and a voltage noise of only 0.7 μV p-p  
(0.01 Hz to 10 Hz), the AD8293G80/AD8293G160 are ideal  
for applications where error sources cannot be tolerated.  
The AD8293G80/AD8293G160 are specified over the industrial  
temperature range from −40°C to +85°C. The AD8293G80/  
AD8293G160 are available in a halogen-free, Pb-free, 8-lead SOT-23.  
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  
©2008 Analog Devices, Inc. All rights reserved.  
 

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