National Instruments SCXI-1530, User Manual, Page: 39 / 60

© National Instruments Corporation A-1 SCXI-1530/1531 User Manual
A
Specifications
This appendix lists the specifications for the SCXI-1530/1531 modules.
These specifications are typical at 25 °C unless otherwise noted.
Inputs
Number of input channels
SCXI-1530 ...................................... 4
SCXI-1531 ...................................... 8
Amplifier input impedance
both powered on and off ........................ 1 M
Ω
Amplifier coupling ................................. AC
Accelerometer input
excitation current.................................... 4 mA ±10%, 24 V compliant
Current source drift ................................ –2.5
µ
A/°C max
Current source dynamic impedance ....... >400 k
Ω
Current source noise, 0.1 to 10 kHz....... 22
µ
A
rms
typ, 80
µΑ
pp
max
Common-mode rejection ratio ............... 75 dB min, 90 dB typ
Common-mode voltage range ................ ±24 V operational
±42 V without damage
Outputs
Maximum output voltage ....................... ±10 V
Output impedance .................................. 200
Ω
Amplifier input noise, RTO ................... 25
µ
V
rms
typ, 125
µ
V
pp
max