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© National Instruments Corp. 17 NI 9201/9221
Input impedance
Resistance................................... 1 MΩ
Capacitance ................................5 pF
Input noise (code-centered)
RMS ...........................................0.7 LSB
rms
Peak-to-peak...............................5 LSB
No missing codes.............................. 12 bits
DNL .................................................. –0.9 to 1.5 LSB
INL....................................................±1.5 LSB
Crosstalk (at 10 kHz)........................–75 dB
Settling time (to 1 LSB)
NI 9201.......................................2 μs
NI 9221.......................................1.25 μs