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| resources:eval:user-guides:circuits-from-the-lab:cn0357 [16 Apr 2018 09:49] – Jesse Daniel Santos | resources:eval:user-guides:circuits-from-the-lab:cn0357 [03 Jan 2021 21:55] – fix links Robin Getz | ||
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| ====== CN0357 Software User Guide====== | ====== CN0357 Software User Guide====== | ||
| ===== Overview ===== | ===== Overview ===== | ||
| - | [[http:// | + | [[adi>CN0357|CN-0357]] is a single-supply, |
| Electrochemical sensors offer several advantages for instruments that detect or measure the concentration of many toxic gases. Most sensors are gas specific and have usable resolutions under one part per million (ppm) of gas concentration. | Electrochemical sensors offer several advantages for instruments that detect or measure the concentration of many toxic gases. Most sensors are gas specific and have usable resolutions under one part per million (ppm) of gas concentration. | ||
| - | The circuit shown in below uses the [[http:// | + | The circuit shown in below uses the [[adi>ADA4528-2|ADA4528-2]], |
| - | The [[http:// | + | The [[adi>ADR3412|ADR3412]] precision, low noise, micropower reference establishes the 1.2 V common-mode, |
| - | For applications where measuring fractions of ppm gas concentration is important, using the [[http:// | + | For applications where measuring fractions of ppm gas concentration is important, using the [[adi>ADA4528-2|ADA4528-2]] and the [[adi>ADR3412|ADR3412]] makes the circuit performance suitable for interfacing with a 16-bit ADC, such as the [[adi>AD7790|AD7790]]. |
| - | This user guide will discuss how to use the evaluation software to collect data from the [[http:// | + | This user guide will discuss how to use the evaluation software to collect data from the [[adi>EVAL-CN0357-PMDZ|EVAL-CN0357-PMDZ]] Evaluation Board **(CN-0357 Board)** |
| {{: | {{: | ||
| ===== Required Equipment ===== | ===== Required Equipment ===== | ||
| - | * [[http:// | + | * [[adi>EVAL-SDP-CB1Z|EVAL-SDP-CB1Z]] Controller Board (**SDP-B Board**) |
| - | * [[http:// | + | * [[adi>EVAL-CN0357-PMDZ|EVAL-CN0357-PMDZ]] Evaluation Board (**CN-0357 Board**) |
| - | * [[http:// | + | * [[adi>SDP-PMD-IB1Z|SDP-PMD-IB1Z]] Interposer Board (**SDP to Pmod Interposer Board**) |
| - | * [[http:// | + | * [[adi>EVAL-CFTL-6V-PWRZ|EVAL-CFTL-6V-PWRZ]] **(+6V Power Supply)** or equivalent |
| * [[ftp:// | * [[ftp:// | ||
| * (supplied with provided CD in kit) | * (supplied with provided CD in kit) | ||
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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:// | + | * The [[adi>EVAL-CN0357-PMDZ|EVAL-CN0357-PMDZ]] **(CN-0357 Board)** connects to the [[adi>SDP-PMD-IB1Z|SDP-PMD-IB1Z]] **(SDP to Pmod Interposer Board)** via the 12-Pin connector |
| - | * The [[http:// | + | * The [[adi>SDP-PMD-IB1Z|SDP-PMD-IB1Z]] **(SDP to Pmod Interposer Board)** connects to the [[adi>EVAL-SDP-CB1Z|EVAL-SDP-CB1Z]] **(SDP-B Board)** via the 120-Pin connector |
| - | * The [[http:// | + | * The [[adi>EVAL-CFTL-6V-PWRZ|EVAL-CFTL-6V-PWRZ]] **(+6V DC Power Supply)** powers the [[adi>SDP-PMD-IB1Z|SDP-PMD-IB1Z]] **(SDP to Pmod Interposer Board)** via the DC barrel jack |
| - | * The [[http:// | + | * The [[adi>EVAL-SDP-CB1Z|EVAL-SDP-CB1Z]] **(SDP-B Board)** connects to the PC via the USB cable. |
| {{ : | {{ : | ||
| ---- | ---- | ||
| Line 42: | Line 42: | ||
| ---- | ---- | ||
| ===== Connecting the Hardware ===== | ===== Connecting the Hardware ===== | ||
| - | - Connect the [[http:// | + | - Connect the [[adi>EVAL-CN0357-PMDZ|EVAL-CN0357-PMDZ]] **(CN0357 Board)** to the [[adi>SDP-PMD-IB1Z|SDP-PMD-IB1Z]] **(SDP to Pmod Interposer Board)** and the [[adi>EVAL-SDP-CB1Z|EVAL-SDP-CB1Z]] **(SDP-B Board)** to the [[adi>SDP-PMD-IB1Z|SDP-PMD-IB1Z]] **(SDP to Pmod Interposer Board)** as depicted below. \\ \\ {{: |
| - | - Connect the [[http:// | + | - Connect the [[adi>EVAL-CFTL-6V-PWRZ|EVAL-CFTL-6V-PWRZ]] **(+6V DC Power Supply)** to the Barrel Jack at **J1** on the [[adi>SDP-PMD-IB1Z|SDP-PMD-IB1Z]] **(SDP to Pmod Interposer Board)**\\ \\ {{: |
| - | - Connect the USB cable to **J1** of the [[http:// | + | - Connect the USB cable to **J1** of the [[adi>EVAL-SDP-CB1Z|EVAL-SDP-CB1Z]] **(SDP-B Board)**\\ \\ {{: |
| ---- | ---- | ||
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| -**Max Sensor Sensitivity Numerical Control** | -**Max Sensor Sensitivity Numerical Control** | ||
| * The maximum amount of current in nanoamps (nA) the sensor will sink/source per part per million (ppm). | * The maximum amount of current in nanoamps (nA) the sensor will sink/source per part per million (ppm). | ||
| - | * This control influences the feedback resistance set by the Rheostat ([[http:// | + | * This control influences the feedback resistance set by the Rheostat ([[adi>AD5270|AD5270]]). |
| -**Typical Sensor Sensitivity Drop-down Menu** | -**Typical Sensor Sensitivity Drop-down Menu** | ||
| * The typical amount of current in nanoamps (nA) the sensor will sink/source per part per million (ppm). | * The typical amount of current in nanoamps (nA) the sensor will sink/source per part per million (ppm). | ||
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| * The maximum concentration the sensor can measure in parts per million. | * The maximum concentration the sensor can measure in parts per million. | ||
| -**Feedback Resistance Numerical Indicator** | -**Feedback Resistance Numerical Indicator** | ||
| - | * The feedback resistance of the transimpedance amplifier on the **CN0357 Board** ([[http:// | + | * The feedback resistance of the transimpedance amplifier on the **CN0357 Board** ([[adi>ADA4528-2|ADA4528-2]]). |
| - | * This can be set by the Rheostat ([[http:// | + | * This can be set by the Rheostat ([[adi>AD5270|AD5270]]) or by populating a fixed resistor in the available footprint. |
| -**ppm/mV Numerical Indicator** | -**ppm/mV Numerical Indicator** | ||
| * Parts per million concentration per millavolt | * Parts per million concentration per millavolt | ||
| Line 86: | Line 86: | ||
| * millavolts per parts per million concentration | * millavolts per parts per million concentration | ||
| -**ADC Conversion Numerical Indicator** | -**ADC Conversion Numerical Indicator** | ||
| - | * The converted voltage seen by the ADC ([[http:// | + | * The converted voltage seen by the ADC ([[adi>AD7790|AD7790]]). |
| -**Chart Controls** | -**Chart Controls** | ||
| * These controls allow the user to zoom-in, zoom-out, and pan through the data collected. | * These controls allow the user to zoom-in, zoom-out, and pan through the data collected. | ||
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| -**Mode Register Numerical Indicator** | -**Mode Register Numerical Indicator** | ||
| * This register is used to configure the ADC for range, enable or disable the buffer, or place the device into power-down mode. | * This register is used to configure the ADC for range, enable or disable the buffer, or place the device into power-down mode. | ||
| - | * The **Register Bit Designations** can be found on Page 11 of the [[http:// | + | * The **Register Bit Designations** can be found on Page 11 of the [[adi>AD7790|AD7790]] Datasheet in Table 9. |
| -**Filter Register Numerical Indicator** | -**Filter Register Numerical Indicator** | ||
| * This register is used to set the output word rate. | * This register is used to set the output word rate. | ||
| - | * Table 12 in the [[http:// | + | * Table 12 in the [[adi>AD7790|AD7790]] Datasheet outlines the **Register Bit Designations** for the filter register.\\ \\ <WRAP center round info 60%> \\ The CN0357 Evaluation Software uses the **Single Conversion Mode**.</ |
| -**Reset ADC Button** | -**Reset ADC Button** | ||
| * The serial interface can be reset by writing a series of 1s on the DIN input. | * The serial interface can be reset by writing a series of 1s on the DIN input. | ||
resources/eval/user-guides/circuits-from-the-lab/cn0357.txt · Last modified: 15 Aug 2022 03:59 by Allan Uy