DRS20 – 20 Bit Dual Channel Reference Source
0.1 Hz to 10 Hz output noise at 5 V / 5 mA
The DRS20 is a dual-channel reference source offering ultra high precision and stability and provides a +/-10 V output. The output current can be up to 10 mA and the 4 wire connection provides a 1 µV/mA load regulation. The high precision and stability is achieved by using a temperature controlled voltage reference. All internal nodes are calibrated using a built in 24-bit precision DVM that continuously checks the internal nodes relative to this reference. Therefore the accuracy is only determined by the temperature controlled voltage reference. This ensures a negligible drift when sourcing over a long period of time. The same DVM can be used to measure external voltages with extremely high precision.
The output has a very low noise level. Special attention has been paid to low frequent noise (<10 Hz) since this is very difficult to filter away afterwards. The unit is very suitable as the reference source for data converter testing.
Key Features
Key Features
Ultra High precision DC source
Dual channel
20 bit resolution
+/-10 V output swing
+/-10 mA max. current,1 µV/mA load regulation
2 ppm Linearity
5 µVrms wide band output noise (DC-100 kHz)
High precision voltage measure capability
For ATX series hardware platform
Technical Specifications
Channels
2
Resolution
20 bit
Output range
-10 V to +10 V
full accuracy output current
10 mA
Maximum Output current
30 mA typical
Output configuration
2 or 4-wire
Settling time for full accuracy
20 ms (*)
(*) The settling time is programmable to allow a trade-off between settling time and accuracy.
