National Instruments PCI-445 Series User Manual page 86

Appendix A Specifications
PCI-4451/4452/4453/4454 User Manual
Common-mode range
Device Gain
Gain ≥ 0 dB
4451/4452
Gain < 0 dB
4453/4454 Gain = 0 dB
Overvoltage protection ...........................±42.4 V, powered on or off
Inputs protected ...............................ACH0, ACH1, ACH2, ACH3
Common mode rejection ratio (CMRR)
Device
4451/4452
4453/4454
Common Mode Range
both + and − should remain within ±12 V
of AIGND
both + and − should remain within ±42.4 V
of AIGND
+ should remain within
±12 V of AIGND
(±400 V guaranteed by design,
but not tested or certified to
operate beyond ±42.4 V)
Gain
≥0 dB
<0 dB
0 dB
A-4
CMRR
90 dB
60 dB
90 dB
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