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7B39 PDF预览

7B39

更新时间: 2024-02-11 21:07:43
品牌 Logo 应用领域
亚德诺 - ADI 模拟IC信号电路
页数 文件大小 规格书
8页 528K
描述
Isolated, Process Current Output

7B39 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Obsolete零件包装代码:MODULE
包装说明:2.130 X 1.705 X 0.605 INCH, MODULE针数:6
Reach Compliance Code:compliantHTS代码:8542.39.00.01
风险等级:5.89Is Samacsys:N
模拟集成电路 - 其他类型:ANALOG CIRCUITJESD-30 代码:R-XXMA-P6
功能数量:1端子数量:6
最高工作温度:85 °C最低工作温度:-40 °C
封装主体材料:UNSPECIFIED封装形状:RECTANGULAR
封装形式:MICROELECTRONIC ASSEMBLY峰值回流温度(摄氏度):NOT SPECIFIED
认证状态:Not Qualified最大供电电压 (Vsup):35 V
最小供电电压 (Vsup):14 V标称供电电压 (Vsup):24 V
表面贴装:NO温度等级:INDUSTRIAL
端子形式:PIN/PEG端子位置:UNSPECIFIED
处于峰值回流温度下的最长时间:NOT SPECIFIEDBase Number Matches:1

7B39 数据手册

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Isolated, Process Current Output  
7B39  
FUNCTIONAL BLOCK DIAGRAM  
FEATURES  
Interfaces, isolates and filters a 0 V to + 10 V or +1 V to +5 V  
input signal.  
Provides an isolated process current output of 0 mA to 20  
mA or 4 mA to 20 mA across loads of 0 to 850 .  
All 7B39 series modules are mix-and-match and Hot  
Swappable.  
APPLICATIONS  
Industrial signal conditioning  
Industrial signal isolation  
Industrial signal filtering  
Figure 1. 7B39 Functional Block Diagram  
The modules feature a maximum nonlinearity of +0.02% and  
are factory calibrated to guarantee a maximum accuracy  
specification of +0.1%.  
PRODUCT OVERVIEW  
The 7B Series of signal conditioners feature small size, low cost  
and a wide output voltage range for a variety of applications  
including process control and factory-floor environments. The  
single-channel 7B modules accept inputs from a range of  
transducers and are fully rated over the extended -40oC to  
+85oC industrial temperature range. All 7B Series modules are  
rated for a nominal power supply input of +24 VDC; and, for  
maximum flexibility, they will accept supply voltages in the +14  
VDC to +35 VDC range. The input modules, with the exception  
of the 7B21, provide a high-level output voltage that is factory  
configured for either the +1 V to +5 V or 0 V to +10 V range.  
The 7B21 is a unity gain, isolated input module with an  
input/output range of +10V. Output modules are available that  
provide either isolated process current or isolated bipolar  
voltage output. Model 7B39 converts either a +1 V to +5 V input  
to a 4 to 20 mA output or a 0 V to +10 V input to a 0-20 mA  
output. The input/output ranges of the 7B39 are factory  
configured. The 7B22 is a unity gain module that provides an  
isolated +10V output signal. All modules have a universal pin-  
out and may be readily hot-swapped under full power without  
disrupting field wiring. Each module accepts analog transducer  
signals and transfers them to a process control or factory data  
collection system without the inherent noise, non-linearity, drift  
and extraneous voltages which frequently accompany the  
signals.  
The 7B Series offers up to 1500 V rms continuous common  
mode voltage isolation and 120 V rms of field wiring input  
protection. The power supplies necessary to drive each of the  
individual modules input circuitry are internally isolated,  
enabling the 7B Series modules to offer true channel-to-channel  
isolation of the input signals.  
The modules directly accept analog signals from  
thermocouples, RTDs, current loop powered transmitters, and  
other process control signals. The 7B Series modules amplify,  
linearize, isolate, protect and convert the transducer output  
signals to standardized analog inputs for high-level analog I/O  
subsystems. The 7B Series Subsystem consists of 19-inch rack-  
compatible hardware (model AC 1363), with universal  
mounting backplane and a family of plug-in (up to 16 per  
backplane) input and output signal conditioning modules. Four-  
, eight-, and sixteen-channel backplanes are available. Each  
backplane incorporates screw terminals for easy power  
connections and field wiring, and includes a 25-pin D-type  
connector for interfacing the high-level single-ended voltage  
outputs to the users equipment. Gold-plated sockets are  
provided on each channel of the backplane to ensure the  
reliability of each module’s electrical connection.  
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  
registered trademarks are the property of their respective companies.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781.329.4700  
Fax: 781.326.8703  
www.analog.com  
© 2004 Analog Devices, Inc. All rights reserved.  

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