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12 BIT AD/DA

 

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12 bit A/D-D/A card is a high precision data conversion system for PC/XT,PC/AT, or compatible computer. It contains one 12 bits digital to analog channel(setting jumper 2 for selecting unipolar or bipolar) and sixteen 12 bits analog to digital channels (setting jumper 3 for selecting unipolar or bipolar).

 

Features of 12 bit A/D-D/A Card:
D/A:
  • Support one 12 bits channel.
  • Output voltage. (adjust by VR)                                                                      unipolar: 0V to 9V.                                                                                            bipolar: -9V to 9V.
  • Unipolar or bipolar selectable,
  • Current setting time 500nsec.
  • Nonlinearity 0.2%.

 

A/D:
  • Support sixteen 12 bits channels.
  • Input voltage. (adjust by VR)                                                                        unipolar: 0V to 9V.                                                                                            bipolar: -9V to 9V.
  • Unipolar or bipolar selectable.
  • Successive approximation method.
  • Conversion time 60usec. (each channel)
  • I/O port address: &H278-27F or &H2F8-2FF selectable..