Input Characteristics - National Instruments NI 6115/6120 User Manual

Specifications
Analog Input
© National Instruments Corporation
This appendix lists the specifications of the NI 6115/6120. These
specifications are typical at 25 °C unless otherwise noted.

Input Characteristics

Number of channels ............................... 4 pseudodifferential
Type of ADC
Resolution
NI 6115 .................................... 12 bits, 1 in 4,096
NI 6120 .................................... 16 bits, 1 in 65,536
Pipeline
NI 6115 .................................... 4
NI 6120 .................................... 0
Sampling rate
Maximum
NI 6115 .................................... 10 million S/s
NI 6120 .................................... 800 kS/s
Minimum
NI 6115 .................................... 20 kS/s
NI 6120 .................................... No minimum
Input impedance
ACH+ to ACH–
Range ≤ ±10 V......................... 1 MΩ in parallel with 100 pF
Range > ±10 V......................... 10 kΩ in parallel with 40 pF
ACH– to ACHGND
NI 6115 .................................... 10 nF
NI 6120 .................................... 100 GΩ
A-1
A
NI 6115/6120 User Manual