Adlink DAQe-2006 Manual do Utilizador descarregar pdf (Página 21)

Introduction 9

Analog Output (AO)

X Number of channels: Two-channel voltage output

X DA converter: LTC7545 or equivalent

X Max update rate: 1 MS/s

X Resolution: 12 bits

X FIFO buffer size:

Z 1k samples per channel when both channels are

enabled for timed DA output

Z 2k samples when only one channel is used for timed DA

output

X Data transfers:

Z Programmed I/O

Z Bus-mastering DMA with scatter/gather

X Output range:

Z Bipolar: ±10V or ±AOEXTREF

Z Unipolar: 0~10V or 0~AOEXTREF

X Settling time: 3μS to 0.5 LSB accuracy

X Slew rate: 20V/μS

X Output coupling: DC

X Protection: Short-circuit to ground

X Output impedance: 0.3Ω typical

X Output driving current: ±5mA max.

X Stability: Any passive load, up to 1500pF

X Power-on state: 0V steady-state

X Power-on glitch: ±1.5V/500uS

X Relative accuracy:

Z ±0.5 LSB typical, ±1 LSB max

X DNL:

Z ±0.5 LSB typical, ±1.2 LSB max

X Offset error:

Z Before calibration: ±80mV max

Z After calibration: ±1mV max

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Adlink DAQe-2006 Manual do Utilizador Página 21