National Instruments NI 5911 Acquisition Characteristics Accuracy, Common-Mode Characteristics

AppendixA Specifications
©NationalInstruments Corporation A-3 NI5911 User Manual
Acquisition Characteristics
Accuracy
DC gain accuracy ................................... ±0.05% signal ±0.0001% fs
for all input ranges at 1 MS/s in
flexible resolution mode
DC offset accuracy................................. ±0.1 mV ±0.01% f s
for all input ranges at 1 MS/s in
flexible resolution mode
Inputcoupling ........................................DC and AC, software selectable
AC coupling cut-off frequency
(–3dB) ................................................... 2.3 Hz ±13%
Inputimpedance ..................................... 1 MΩ±2%
Maxmeasurable input voltage ............... ±10 V (DC + peak AC)
Inputprotection ......................................±42 VDC (DC + peak AC)
Inputbias current ................................... ±1 nA, typical at 25 °C
Common-Mode Characteristics
Impedanceto chassis ground ................. 10 kΩ
Common-moderejection ratio ...............CMRR > –70 dB, (Fin <1kHz)
±0.5V 148 dBfs/
±0.2V 140 dBfs/
±0.1V 134 dBfs/
InputR ange NoiseReferred to Input
Hz
Hz
Hz