ADLINK DAQe-2502 - Manual (Page 14)

4 Introduction
Analog Input (AI)
X
Channels:
Z
DAQ-/PXI-2502: 4 single-ended
Z
DAQ-/PXI-2501: 8 single-ended
X
AD converter: LTC1416
X
Max sampling rate: 400 KS/s
X
Resolution: 14-bit
X
FIFO buffer size: 2K samples
X
Input range
Z
Bipolar: ±10 V
Z Unipolar: 0 V to 10 V
X Over-voltage protection: Continuous, ±35 V maximum
X
Input impedance: 1 G
Ω
/ 6 pF
X
Trigger modes: Pre-trigger, post-trigger, middle-trigger, and
delay trigger
X
Data transfers: Programmed I/O and bus-mastering DMA
with scatter/gather
X Input coupling: DC
X Offset error:
Z
Before calibration: ±40 mV max
Z
After calibration: ±1 mV max
X
Gain error:
Z
Before calibration: ±0.4% of max output
Z
After calibration: ±1 mV of max output