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resources:eval:user-guides:circuits-from-the-lab:cn0336 [01 Oct 2013 21:58] – complete Christo Hrisulevresources:eval:user-guides:circuits-from-the-lab:cn0336 [03 Jan 2021 21:56] – fix links Robin Getz
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 ====== CN0336 Software User Guide ====== ====== CN0336 Software User Guide ======
 ===== Overview===== ===== Overview=====
-[[http://www.analog.com/CN0336|CN0336]] provides robust and complete solution for 4 mA-to-20 mA current to digital conversion with isolation, for wide variety measurements where, sensors with standard 4-20 mA output are used. The design solution is optimized for high precision and low cost measurement, using only three active devices, and has a total unadjusted error of less than 0.1% of full scale range. The accuracy depends on the calibration. +[[ADI>CN0336]] provides robust and complete solution for 4 mA-to-20 mA current to digital conversion with isolation, for wide variety measurements where, sensors with standard 4-20 mA output are used. The design solution is optimized for high precision and low cost measurement, using only three active devices, and has a total unadjusted error of less than 0.1% of full scale range. The accuracy depends on the calibration. 
-The circuit shown in Figure 1 incorporates [[http://www.analog.com/AD8606ARZ|AD8606ARZ]] OpAmp, [[http://www.analog.com/AD7091RBRMZ|AD7091RBRMZ]] 12-bit successive approximation (SAR) ADC, and [[http://www.analog.com/ADuM5401ARWZ|ADuM5401ARWZ]] isolator to create a standard 4 mA-to-20mA current measurement system.+The circuit shown in Figure 1 incorporates [[ADI>AD8606ARZ]] OpAmp, [[ADI>AD7091RBRMZ]] 12-bit successive approximation (SAR) ADC, and [[ADI>ADuM5401ARWZ]] isolator to create a standard 4 mA-to-20mA current measurement system.
 The circuit has 12 pin PMOD connector on board, which could be used for connection to a customer microprocessor or FPGA.  The circuit has 12 pin PMOD connector on board, which could be used for connection to a customer microprocessor or FPGA. 
-This [[http://www.analog.com/CN0336|CN0336]] circuit note discusses the design steps needed to optimize the circuit shown in Figure 1 for a specific bandwidth including noise analysis and component selection considerations.+This [[ADI>CN0336]] circuit note discusses the design steps needed to optimize the circuit shown in Figure 1 for a specific bandwidth including noise analysis and component selection considerations.
  
-The performance of the circuit could be demonstrated with the use of Analog Devices SDP controller [[http://www.analog.com/EVAL-SDP-CB1Z|EVAL-SDP-CB1Z]] and SDP-to-PMOD Interposer Board [[http://www.analog.com/SDP-PMD-IB1Z|SDP-PMD-IB1Z]], both optional purchase items. +The performance of the circuit could be demonstrated with the use of Analog Devices SDP controller [[adi>EVAL-SDP-CB1Z|EVAL-SDP-CB1Z]] and SDP-to-PMOD Interposer Board [[adi>SDP-PMD-IB1Z|SDP-PMD-IB1Z]], both optional purchase items. 
-This user guide will discuss how to use the evaluation software to collect data from the EVAL-CN0336-PMDZ Evaluation Board [[http://www.analog.com/CN0336|CN0336]]+This user guide will discuss how to use the evaluation software to collect data from the EVAL-CN0336-PMDZ Evaluation Board [[adi>CN0336|CN0336]]
  
 {{ :resources:eval:user-guides:circuits-from-the-lab:cn0336:figure1.png?nolink&700 |}} {{ :resources:eval:user-guides:circuits-from-the-lab:cn0336:figure1.png?nolink&700 |}}
 +
 +Figure 1. 4 mA to 20 mA Single Supply Analog to Digital Conversion with Isolation (All Connections and Decoupling Not Shown)
  
  
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 ===== Required Equipment ===== ===== Required Equipment =====
-  * [[http://www.analog.com/EVAL-SDP-CB1Z|EVAL-SDP-CB1Z]] Controller Board (**SDP-B Board**) +  * [[adi>EVAL-SDP-CB1Z|EVAL-SDP-CB1Z]] Controller Board (**SDP-B Board**) 
-  * [[http://www.analog.com/EVAL-CN0336-SPMDZ|EVAL-CN0336-PMDZ]] Evaluation Board (**CN-0336 Board**) +  * [[adi>EVAL-CN0336-SPMDZ|EVAL-CN0336-PMDZ]] Evaluation Board (**CN-0336 Board**) 
-  * [[http://www.analog.com/EVAL-CFTL-6V-PWRZ|EVAL-CFTL-6V-PWRZ]] **(+6V Power Supply)** or equivalent +  * [[adi>EVAL-CFTL-6V-PWRZ|EVAL-CFTL-6V-PWRZ]] **(+6V Power Supply)** or equivalent 
-  * [[http://www.analog.com/SDP-PMD-IB1Z]] SDP-to-PMOD interposer board +  * [[adi>SDP-PMD-IB1Z]] SDP-to-PMOD interposer board 
   * Current Calibrator   * Current Calibrator
   * Multimeter(to measure the input current)   * Multimeter(to measure the input current)
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   * USB type A to USB type mini-B cable   * USB type A to USB type mini-B cable
 ===== General Setup ===== ===== General Setup =====
-  * The [[http://www.analog.com/EVAL-CFTL-6V-PWRZ|EVAL-CFTL-6V-PWRZ]] **(+6V DC Power Supply)** powers the [[http://www.analog.com/EVAL-CN0336-PMDZ|EVAL-CN0336-PMDZ]] **(CN0336 Board)** via the DC barrel jack. +  * The [[adi>EVAL-CFTL-6V-PWRZ|EVAL-CFTL-6V-PWRZ]] **(+6V DC Power Supply)** powers the [[adi>EVAL-CN0336-PMDZ|EVAL-CN0336-PMDZ]] **(CN0336 Board)** via the DC barrel jack. 
-  * The [[http://www.analog.com/SDP-PMD-IB1Z|SDP-PMD-IB1Z]] **(Interposer Board)** connects to the [[http://www.analog.com/EVAL-SDP-CB1Z|EVAL-SDP-CB1Z]] **(SDP-B Board)** via the 120-Pin connector A.   +  * The [[adi>SDP-PMD-IB1Z|SDP-PMD-IB1Z]] **(Interposer Board)** connects to the [[adi>EVAL-SDP-CB1Z|EVAL-SDP-CB1Z]] **(SDP-B Board)** via the 120-Pin connector A.   
-  * The [[http://www.analog.com/EVAL-SDP-CB1Z|EVAL-SDP-CB1Z]] **(SDP-B Board)** connects to the PC via the USB cable. +  * The [[adi>EVAL-SDP-CB1Z|EVAL-SDP-CB1Z]] **(SDP-B Board)** connects to the PC via the USB cable. 
-  * The [[http://www.analog.com/EVAL-CN0336-SDPZ|EVAL-CN0336-SDPZ]] **(CN0336)** connects to the [[http://www.analog.com/EVAL-PMD-IB1Z|EVAL-PMD-IB1Z]] **(Interposer board)** via the 12-Pin header PMOD connector  **(J1 and J3)** +  * The [[adi>EVAL-CN0336-SDPZ|EVAL-CN0336-SDPZ]] **(CN0336)** connects to the [[adi>EVAL-PMD-IB1Z|EVAL-PMD-IB1Z]] **(Interposer board)** via the 12-Pin header PMOD connector  **(J1 and J3)** 
-  * The 4-20 mA current source **(Current calibrator)** connects to the [[http://www.analog.com/EVAL-CN0336-SDPZ|EVAL-CN0336-SDPZ]] **(CN0336 Board)** via the terminal block **J2**+  * The 4-20 mA current source **(Current calibrator)** connects to the [[adi>EVAL-CN0336-SDPZ|EVAL-CN0336-SDPZ]] **(CN0336 Board)** via the terminal block **J2**
  
  
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 ===== Connecting the Hardware ===== ===== Connecting the Hardware =====
-  - Connect the [[http://www.analog.com/EVAL-CFTL-6V-PWRZ|+6V DC Power Supply]] **(Wallwart)** to the barrel jack **J1** of the [[http://www.analog.com/SDP-PMD-IB1Z|Interposer Board  ]] **(Interposer Board )** as depicted below.\\ \\ <WRAP left round tip 50%>**NOTE:** Make sure that the jumper is  positioned as shown below!</WRAP>\\ \\ \\ \\ \\ \\ {{:resources:eval:user-guides:circuits-from-the-lab:cn0336:cn0336-connectinghw1.png?600|}}\\ \\ +  - Connect the [[adi>EVAL-CFTL-6V-PWRZ|+6V DC Power Supply]] **(Wallwart)** to the barrel jack **J1** of the [[adi>SDP-PMD-IB1Z|Interposer Board  ]] **(Interposer Board )** as depicted below.\\ \\ <WRAP left round tip 50%>**NOTE:** Make sure that the jumper is  positioned as shown below!</WRAP>\\ \\ \\ \\ \\ \\ {{:resources:eval:user-guides:circuits-from-the-lab:cn0336:cn0336-connectinghw1.png?600|}}\\ \\ 
-  - Connect the 120-pin connector on the [[http://www.analog.com/SDP-PMD-IB1Z|SDP-PMD-IB1Z]] **(Interposer Board)** to the 120-pin connector marked **“CON A”** on the [[http://www.analog.com/EVAL-SDP-CB1Z|EVAL-SDP-CB1Z]] **(SDP-B Board)**\\ \\ {{:resources:eval:user-guides:circuits-from-the-lab:cn0336:cn0336-connectinghw2.png?600|}}\\ \\ +  - Connect the 120-pin connector on the [[adi>SDP-PMD-IB1Z|SDP-PMD-IB1Z]] **(Interposer Board)** to the 120-pin connector marked **“CON A”** on the [[adi>EVAL-SDP-CB1Z|EVAL-SDP-CB1Z]] **(SDP-B Board)**\\ \\ {{:resources:eval:user-guides:circuits-from-the-lab:cn0336:cn0336-connectinghw2.png?600|}}\\ \\ 
-  - Connect the USB cable supplied with [[http://www.analog.com/EVAL-SDP-CB1Z|EVAL-SDP-CB1Z]] **(SDP-B Board)** to the USB port on the PC and the SDP Board \\ \\ {{:resources:eval:user-guides:circuits-from-the-lab:cn0336:cn0336-connectinghw3.png?600|}} \\ \\ <WRAP left round tip 50%>**NOTE:** Verify that the SDP Drivers are loaded properly. For that purpose open the Device manager and check if the SDP Board is recognized. If not repeat steps 1-3 </WRAP>\\ \\{{:resources:eval:user-guides:circuits-from-the-lab:cn0336:cn0336-connectinghw3a.png?600|}} \\ \\    +  - Connect the USB cable supplied with [[adi>EVAL-SDP-CB1Z|EVAL-SDP-CB1Z]] **(SDP-B Board)** to the USB port on the PC and the SDP Board \\ \\ {{:resources:eval:user-guides:circuits-from-the-lab:cn0336:cn0336-connectinghw3.png?600|}} \\ \\ <WRAP left round tip 50%>**NOTE:** Verify that the SDP Drivers are loaded properly. For that purpose open the Device manager and check if the SDP Board is recognized. If not repeat steps 1-3 </WRAP>\\ \\{{:resources:eval:user-guides:circuits-from-the-lab:cn0336:cn0336-connectinghw3a.png?600|}} \\ \\    
-  - Connect the [[http://www.analog.com/EVAL-CN0336-PMDZ|EVAL-CN0336-PMDZ]] **(CN0336 Board)** to the [[http://www.analog.com/SDP-PMD-IB1Z|SDP-PMD-IB1Z]] **(Interposer Board)** via the 12 pin header PMOD connector. \\ \\ {{:resources:eval:user-guides:circuits-from-the-lab:cn0336:cn0336-connectinghw4.png?600|}}\\ \\+  - Connect the [[adi>EVAL-CN0336-PMDZ|EVAL-CN0336-PMDZ]] **(CN0336 Board)** to the [[adi>SDP-PMD-IB1Z|SDP-PMD-IB1Z]] **(Interposer Board)** via the 12 pin header PMOD connector. \\ \\ {{:resources:eval:user-guides:circuits-from-the-lab:cn0336:cn0336-connectinghw4.png?600|}}\\ \\
   - Connect the input current source (Current calibrator) to J2 Terminal Block. The polarity is shown on the picture below \\ {{:resources:eval:user-guides:circuits-from-the-lab:cn0336:cn0336-connectinghw5.png?600|}}\\ \\   - Connect the input current source (Current calibrator) to J2 Terminal Block. The polarity is shown on the picture below \\ {{:resources:eval:user-guides:circuits-from-the-lab:cn0336:cn0336-connectinghw5.png?600|}}\\ \\
  
resources/eval/user-guides/circuits-from-the-lab/cn0336.txt · Last modified: 29 Jul 2021 07:26 by Harvey John De Chavez

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