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DRV700 Precision programmable current source
The DRV700 is a high-precision programmable current source with 20-bit resolution and ppm-level stability.
1995 €
Resources
Specifications
| DRV700-600-0 | |
|---|---|
| Output | |
| Output current | 0 mA to 650 mA |
| Compliance voltageI = 600 mA | 7 V |
| DC output impedance | ≥ 1 MΩ |
| Maximum load inductanceNo external compensation | 1 mH |
| Precision | |
| Digital resolution | 20 bits |
| Output current resolutionDithering OFF | 750 nA |
| Non-linearityI < 400 mA | < 3 ppm |
| Stability | |
| RMS noise0.1 Hz to 10 Hz | 30 nArms |
| Current noise density1 kHz | 200 pA/√Hz |
| Temperature coefficient | < 2 ppm/°C |
| Allan deviation1000 s | < 40 ppb |
| Power supply | |
| Supply voltage | 21 V to 33 V, nom. 24 V |
| Supply current | 800 mA |
| Quiescent current | 100 mA |
| Other | |
| Outside dimensions | 109 mm x 90 mm x 17 mm |
| Weight | 150 g |
| Operating temperature | -10 °C to 70 °C |
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Linearity
Non-linearity of the output current versus setpoint is measured across a 10 Ω load. Typical non-linearity is below 1 ppm for output currents up to 400 mA.
Current Noise Density
Temperature Stability
Current change versus ambient temperature for DRV700-600-0 driving 600 mA across a 10 Ω load:
Stability
Output current stability over 1 hour of a DRV700-600-0 driving 600 mA across a 10 Ω load:
Allan Deviation
Allan deviation of a DRV700-600-0 driving 500 mA across a 10 Ω load:
