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National Instruments Corporation
39
NI myDAQ User Guide and Specifications
Output impedance
Analog output ................................. 1
Audio output ................................... 120
Minimum load impedance
(audio output) ......................................... 8
Connector type
Analog output ................................. Screw terminals
Audio output ................................... 3.5 mm stereo jack
AC-coupling high-pass frequency
(audio output with 32
load)................ 48 Hz
Absolute accuracy
Slew rate................................................. 4 V/
s
Timing accuracy..................................... 100 ppm of sample rate
Timing resolution ................................... 10 ns
Overdrive protection .............................. ±16 V to AGND
Maximum power-on voltage
1
................ ±110 mV
Output FIFO size.................................... 8,191 samples, shared among
channels used
Digital I/O
Number of lines...................................... 8; DIO <0..7>
Direction control .................................... Each line individually
programmable as input or output
Update mode .......................................... Software-timed
Nominal Range
Typical at 23 °C
(mV)
Maximum (18 to 28
C)
(mV)
Positive
Full Scale
Negative
Full Scale
10
–10
19.6
42.8
2
–2
5.4
8.8
1
When powered on, the analog output signal is not defined until after USB configuration is complete.