National Instruments 3.21E+04 用户手册

Appendix A     Specifications for AT-MIO-16E-1, AT-MIO-16E-2 and AT-MIO-64E-3

AT-MIO/AI E Series User Manual

A-6

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 National Instruments Corporation

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

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

Max update rate

FIFO mode waveform generation

Internally timed ................... 1 MS/s per channel
Externally timed .................. 950 kS/s per channel

Non-FIFO mode waveform generation

1 channel ............................. 600–950 kS/s (system 

dependent)

2 channel ............................. 300–625 kS/s (system 

dependent)

Type of DAC .....................................Double buffered, multiplying

FIFO buffer size ................................2,048 samples

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

programmed I/O

DMA modes.......................................Single transfer, demand transfer

Relative accuracy (INL)

After calibration .........................

±

0.3 LSB typ, 

±

0.5 LSB max

Before calibration .......................

±

4 LSB max

DNL

After calibration .........................

±

0.3 LSB typ, 

±

1.0 LSB max

Before calibration .......................

±

3 LSB max

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

calibration

Offset error

After calibration .........................

±

1.0 mV max

Before calibration .......................

±

200 mV max

Gain error (relative to internal reference)

After calibration .........................

±

0.01% of output max

Before calibration .......................

±

0.5% of output max