User's Manual

© 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