National Instruments DAQCard-1200 - Manual (Page 73)

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
µ
V/°C
Post-gain ..........................................±100
µ
V/°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/s 1
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.