Analog Output; Analog Output Block - ICP DAS USA PCIe-8620 User Manual

High-speed Multifunction Boards

2.5 Analog Output

2.5.1 Analog Output Block

PCIe-8622 has Analog Output functionality. PCIe-8622 that supports Analog Output has two AO
channels that are controlled by software command. The main blocks featured in the PCIe-8622
Analog Output block are as follows:

CON1:
User can connect Analog Input signals to the PCIe-8622 through the CON1.

DACs:
Digital-to-digital converters (DACs) convert digital codes to analog voltages.

AO Reference Selection:
The AO reference selection signal allows you to change the range of the Analog Output.
Note: The DAC function (Analog Output) has 1 mS/0.6 V output glitch on power-up.
AO Reference Selection
CON1
DAC0
AO0
DAC1
AO1
User Manual, Ver. 1.0, May 2015, PMH-029-10 Page 18
AO Data