8.0 ELECTRICAL SPECIFICATIONS
(Typical specifications for 25 DegC unless otherwise specified.)
8.1 ANALOG INPUT SECTION
A/D converter type | 7800 |
Resolution | 12 bits |
Programmable ranges |
|
±10V, ±1V, ±0.1V, ±0.01V, 0 - 10V, 0 - 1V, 0 - 0.1V, 0 - 0.01V | |
±10V, ±5V, ±2.5V, ±1.0V, 0 - 10V, 0 - 5V, 0 - 2.5V, 0 - 1.0 | |
A/D pacing | Programmable: internal counter or external source (A/D External Pacer) |
| or software polled |
Burstmode | Software selectable option, rate = 6.67µs |
A/D Trigger sources | External digital (A/D External Trigger) |
A/D Triggering Modes |
|
Digital: | Software enabled, rising edge, hardware trigger |
Unlimited pre- and | |
| 512. |
Data transfer | From 1024 sample FIFO via REPINSW, interrupt or software polled |
Polarity | Unipolar/Bipolar, software selectable |
Number of channels | 8 differential or 16 |
A/D conversion time | 3µs |
Throughput | 150KHz min |
Relative Accuracy | ±1.5LSB |
Differential Linearity error | ±0.75 LSB |
Integral Linearity error | ±0.5 LSB typ, ±1.5 LSB max |
Gain Error (10V,1V and 0.1V Ranges) | ± 0.02% of reading Max |
Gain Error (0.01V Range) | ± 0.4% of reading Max |
No missing codes guaranteed | 12 bits |
Gain drift (A/D specs) | ±6ppm/°C |
Zero drift (A/D specs) | ±1ppm/°C |
Common Mode Range | ±10V |
CMRR @ 60Hz | 70dB |
Input leakage current | 200nA |
Input impedance | 10Meg Ohms Min |
Absolute maximum input voltage | ±15V |
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