User`s manual

Introduction 3
1.3 Specifications
Analog Output (AO)
X Number of channels: 4-CH for DAQ/PXI-2501, 8-CH for
DAQ/PXI-2502
X DA converter: AD7945
X Max update rate: 1MS/s
X Resolution: 12 bits
X FIFO buffer size: 8K for DAQ/PXI-2501, 16K for DAQ/PXI-
2502
X Data transfer: Programmed I/O, and bus-mastering DMA
with scat-ter/gather
X Voltage reference: internal 10V or external up to ±10V
X Output range:
Z Bipolar: ±10V or ±external reference
Z Unipolar: 0~10V or 0~ external reference
X Settling time for –10~+10V step: 2μs
X Slew rate: 20V/μs
X Output coupling: DC
X Protection: Short-circuit to ground
X Output impedance: 0.1Ω. max.
X Output current: ±5mA max.
X Power-on state: 0V steady-state
X Power-on glitch: ±600mV/500μs
X Offset error:
Z Before calibration: ±80mV max
Z After calibration: ±2mV max
X Gain error:
Z Before calibration: ±0.8% of output max
Z After calibration: ±0.02% of output max