| 1 |
ADC |
16-bit SAR ADC with configurable input ranges |
SPI |
| 2 |
Number of channels |
16 channels with dual simultaneous sampling |
|
| 3 |
Input range |
10 V, 5 V, 2.5 V |
With programmable 20% overrange |
| 4 |
Sampling rate |
1-MHz |
Meets IEC 61850-9-2 sampling requirements for protection and measurement. Provides programmable OSR for performance improvement. |
| 5 |
Input impedance |
Constant 1-MΩ input impedance front-end |
|
| 6 |
Digital isolation |
Digital isolator with integrated power |
Reinforced |
| 7 |
Six-channel digital isolator with external isolated power |
Reinforced, provides flexibility in digital isolator selection |
| 8 |
internal filer |
Programmable filter of 15 kHz, 39 kHz or 376 kHz |
|
| 9 |
AFE |
Potential divider interfaced to Precision amplifier and instrumentation amplifier |
With different gains to cover wide inputs |
|
Current sensor interfaced to Precision amplifier and instrumentation amplifier |
With different gains to cover wide inputs |
| 10 |
Host interface |
SPI |
Serial interface simplifies communication interface |
| 11 |
Parallel |
Parallel interface reduces firmware complexity |
| 12 |
Diagnostics |
Digital and analog power supply using auxiliary channels |
Displayed on GUI |
| 13 |
LED indication for alarm, power, and activity (chip select) |
Visual indication |
| 14 |
Power supply |
Split-rail supply with LDO |
Output programmable, low ripple |
| 15 |
Isolated power supply using isolated DC/DC or transformer driver |
Efficiency > 60% |
| 16 |
Temperature compensation |
Onboard analog temperature sensor for compensation measurement accuracy variation |
Accuracy < ± 0.2% |
| 17 |
Analog input connectors |
Screw type connector |
|