National Instruments DAQCard-1200 Stability, Analog Output Output Characteristics, Transfer Characteristics

Appendix A Specifications
DAQCard-1200 User Manual A-4 © National Instruments Corporation
Stability
Recommended warm up time.................15 minutes
Offset temperature coefficient
Pre-gain............................................±15 µV/°C
Post-gain..........................................±100 µV/°C
Gain temperature coefficient..................±40 ppm/°C
Analog Output
Output Characteristics
Number of Channels...............................2 voltage
Resolution...............................................12 bits, 1 in 4,096
Max update rate......................................20 kS/s1
Type of DAC..........................................Double buffered
Data transfers..........................................Interrupts, programmed I/O
Transfer Characteristics
Relative accuracy (INL).........................±0.5 LSB typ, ±1 LSB max
DNL........................................................±0.5 LSB typ, ±0.9 LSB max
Monotonicity..........................................12 bits, guaranteed
Offset error
After calibration...............................±0.5 mV max
Before calibration............................±75 mV max
Gain error (relative to internal reference)
After calibration...............................±0.02% of reading max
Before calibration............................±2% of reading max
1 If you perform simultaneous AI and AO, reliable continuous rates are limited to 0.5 to 1 kS/s and is configuration dependent.