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National Instruments NI 9215 User Manual

Page 22

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NI 9215 Operating Instructions and Specifications

22

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CMRR (f

in

= 60 Hz) .......................... –73 dB min

Input bandwidth (–3 dB)................... 420 kHz min

Input impedance

Resistance

NI 9215 with
screw terminal ...................... 1 G

Ω

NI 9215 with BNC
(Between any two
AI– terminals) ...................... 200 k

Ω

Input bias current .............................. 10 nA

Input noise

RMS ........................................... 1.2 LSB

rms

Peak-to-peak............................... 7 LSB

Crosstalk ........................................... –80 dB

Settling time (to 2 LSBs)

NI 9215 with screw terminal

10 V step .............................. 10

μ

s

20 V step .............................. 15

μ

s