Appendix A
Specifications
©
National Instruments Corporation
A-3
Inputs protected
NI PCI/PXI-6052E,
DAQPad-6052E .............................. ACH<0..15>, AISENSE
FIFO buffer size ..................................... 512 samples
Data transfers ......................................... DMA, interrupts,
programmed I/O
DMA modes ........................................... Scatter-gather
Configuration memory size.................... 512 words
Transfer Characteristics
Relative accuracy ................................... ±1.5 LSB typ, ±3.0 LSB max
DNL ....................................................... ±0.5 LSB typ, ±1.0 LSB max
No missing codes ................................... 16 bits, guaranteed
Offset error
Pregain error after calibration ......... ±1.0
µ
V max
Pregain error before calibration ...... ±2.6 mV max
Postgain error after calibration ....... ±76
µ
mV
Postgain error before calibration..... ±82 mV
Gain error (relative to calibration reference)
After calibration (gain = 1) ............. ±30.5 ppm of reading max
Before calibration ........................... ±22,000 ppm of reading max
Gain
≠
1 with gain error
adjusted to 0 at gain = 1 ......................... ±200 ppm of reading max
Amplifier Characteristics
Input impedance
Normal powered on ........................ 100 G
Ω
in parallel with 100 pF
Powered off..................................... 820
Ω
min
Overload.......................................... 820
Ω
min
Input bias current ................................... ±200 pA
Input offset current................................. ±100 pA