- DAQCard E Series User Manual Multifunction I/O Cards for PCMCIA
National Instruments Corporation A-8 DAQCard E Series User Manual
DAQCard-AI-16XE-50
Analog Input
Input Characteristics
Number of channels ...........................16 single-ended or 8 differential
(software-selectable)
Type of ADC .....................................Successive approximation
Resolution..........................................16 bits, 1 in 65,536
Maximum sampling rate.....................200 kS/s (single-channel),
20 kS/s guaranteed
(scanning; gain = 1, 2, 10),
17 kS/s (scanning; gain = 100)
Input coupling....................................DC
Maximum working voltage
(signal + common mode) ............ The average voltage of each
differential pair should remain
within
±
8 V of ground
Overvoltage protection.......................
±
25 V powered on,
±
15 V
powered off
Inputs protected .......................... ACH<0..15>, AISENSE
FIFO buffer size.................................1,024 S
Data transfers.....................................DMA, interrupt, programmed
I/O
DMA modes.......................................Single transfer, demand transfer
Configuration memory size................512 words
Input signal ranges.................
Board Gain
(Software
Selectable)
Board Range
(Software Selectable)
Bipolar Unipolar
1
±
10 V
0 to 10 V
2
±
5 V
0 to 5 V
10
±
1 V
0 to 1 V
100
±
0.1 V
0 to 0.1 V