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DNR-AO-308-420 |
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| 8-Channel, 16-bit, 100 kS/s per channel, 4-20mA Current Output Board for the PowerDNR RACKtangle |
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The DNR-AO-308-420 is a 16-bit, 8-channel current-output board with per-channel digital offset and gain calibration, buffered output, excellent linearity, and low output noise. The DNR-AO-308-420 features the industry-standard 4-20 mA output range. This layer may be used in variety of industrial data acquisition and control applications to interface with the sensors that comply with 4-20 mA standard. |
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| Characteristics: |
- 8 analog output channels (independent DACs)
- 16-bit resolution
- 100kHz per channel max update rate
- 4-20mA current output
- Glitch-free output
- Per-channel offset and gain calibration
- Simultaneous update across all channels
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| Technical Specifications |
| Inputs |
| Number of Channels |
8 |
| Resolution |
16 bits |
| Max Update Rate |
@ 16-bit resolution |
100 kHz/channel (500kHz max aggregate) |
| @ 12-bit resolution |
200 kHz/channel (500kHz max aggregate) |
| @ 9-bit resolution |
400 kHz/channel (500kHz max aggregate) |
| Buffer Size |
1K samples |
| Type of D/A |
double-buffered |
| INL (no load) |
±1 LSB (0.003%) |
| DNL (no load) |
±1 LSB (0.003%) |
| Monotonicity Over Temperature |
16 bits |
| Gain Linearity Error |
0.002% |
| Gain Calibration Error |
±2.5 µA typical, ±25 µA max. |
| Offset Calibration Error |
±2.5 µA typical, ±25 µA max. |
| Offset Drift |
5ppm/°C |
| Gain Drift |
5ppm/°C |
| Output Range |
4-20mA |
| Output Coupling |
DC |
| Output Impedance |
0.1Ω max |
| Capacitive Loads |
500 pF |
| Settling Time |
10 µs to 16 bits |
| Isolation |
350Vrms |
| Power Consumption |
1.8W - 6W |
| Physical Dimensions |
3.875” x 3.875” (98 x 98 mm) |
| Operating Temp. (tested) |
-40°C to +85°C |
| Operating Humidity |
0 - 95%, non-condensing |
| Vibration |
IEC 60068-2-6 |
5 g, 10-500 Hz, sinusoidal |
| IEC 60068-2-64 |
5 g (rms), 10-500 Hz, broad-band random |
| Shock IEC 60068-2-27 |
50 g, 3 ms half sine, 18 shocks @ 6 orientations
30 g, 11 ms half sine, 18 shocks @ 6 orientations |
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