ADLINK PXI-2208 User Manual

Page 21

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Introduction

9

Analog Output (AO)

NOTE

The DAQ-/DAQe-/PXI-2208 card does not support this

function.

X

Channels: Two-channel analog voltage output

X

DA converter: LTC7545 or equivalent

X

Max update rate: 1 MS/s

X

Resolution: 12-bit

X

FIFO buffer size:

Z

512 samples per channel when both channels are
enabled for timed DA output

Z

1024 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: ±10 V, 0 V to 10 V, ±AOEXTREF, 0 to AOEX-
TREF

X

Settling time: 3 S to 0.5 LSB accuracy

X

Slew rate: 20 V/µS

X

Output coupling: DC

X

Protection: Short-circuit to ground

X

Output impedance: 0.01

typical

X

Output driving current: ±5 mA max

X

Stability: Any passive load, up to 1500 pF

X

Power-on state: 0V steady-state

X

Power-on glitch: ±1.5 V/500 µS

X

Relative accuracy: ±0.5 LSB typical, ±1 LSB max

X

DNL: ±0.5 LSB typical, ±1.2 LSB max

X

Offset error:

Z

Before calibration: ±80 mV max

Z

After calibration: ±1 mV max

X

Gain error:

Z

Before calibration: ±0.8% of output max

Z

After calibration: ±0.02% of output max

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