National Instruments 3.21E+04 用户手册

Appendix A     Specifications for AT-MIO-16XE-50

AT-MIO/AI E Series User Manual

A-28



 National Instruments Corporation

Settling time for full-scale step ..........50 

µ

s max to 

±

 1 LSB, 

all gains and ranges

System noise (including quantization noise)

Gain = 1, 2, 10 ............................ 0.5 LSB rms

Gain = 100.................................. 0.8 LSB rms bipolar, 

1.4 LSB rms unipolar

Crosstalk ............................................-85 dB max, DC to 20 kHz

Recommended warm-up time.............15 min

Offset temperature coefficient

Pregain .......................................

±

1 

µ

V/

°

C

Postgain ......................................

±

12 

µ

V/

°

C

Gain temperature coefficient ..............

±

5 ppm/

°

C

Onboard calibration reference

Level..................................................5.000 V (

±

2.0 mV) (actual value 

stored in EEPROM)

Temperature coefficient .....................

±

2 ppm/

°

C max

Long-term stability ............................

±

15 ppm/

Number of channels ...........................2 voltage

Resolution..........................................12 bits, 1 in 4,096

Max update rate .................................20 kS/s

Type of DAC  ....................................Double-buffered

FIFO buffer size.................................None

Data transfers .....................................DMA, interrupts, programmed 

I/O

DMA modes.......................................Single transfer

Relative accuracy (INL) .....................

±

0.5 LSB max

DNL...................................................

±

1 LSB max

Monotonicity .....................................12 bits, guaranteed

1, 000 h