The circuit on EVAL-CN0349-PMDZ provides a complete, robust data acquisition solution for processing conductivity cell outputs, including temperature correction. This circuit is ideal for measuring the ionic content of liquids, water quality analysis, and chemical analysis.
This design solution is optimized for high precision and low cost, and it uses only five active devices. The circuit has a total error of less than 1% FSR after calibration. The small footprints of all the components make the circuit ideal for applications where printed circuit board (PCB) real estate is a premium. The digital output of the circuit is fully isolated; therefore, the ground loop interference is eliminated, making it ideal for harsh industrial environments.
| Manufacturer | Analog Devices Inc. |
|---|---|
| Category | Sensor Solutions |
| Sub-Category | Other Sensing Solutions |
| Eval Board Part Number | EVAL-CN0349-PMDZ-ND |
| Eval Board Supplier | Analog Devices Inc. |
| Eval Board |
Normally In Stock
|
| Purpose |
Signal Conditioning
|
| Range |
0.025 ~ 200 mS/cm
|
| Sensing Method |
Conductivity Cell
|
| Voltage In |
3.3 V
|
| Features |
ADC's for Sensor Reading
I²C Interface Isolated Power and Data Temperature Compensation |
| Design Author |
Analog Devices
|
| Component Count + Extras |
39 + 6
|
| Main I.C. Base Part |
AD5934
AD8606 ADG715 ADUM1250 ADUM5000 |
| Date Created By Author | 2014-09 |
| Date Added To Library | 2018-03 |
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