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IO109

High-resolution 24-bit sigma-delta analog module with 12 differential analog input channels

This I/O module is a high-end low-noise analog module with a very high input resolution of 24-bit. Each analog input channel is equipped with its own dedicated DC-coupled Sigma-Delta A/D converter for sample rates up to 200kSamples/s. The oversampling factor is up to 128. Each converter integrates a 2-pole lowpass analog filter with software selectable cut-off frequency of either 40kHz or 270kHz. The signal-to-noise ratio is up to 93dB.

Select this I/O module for precision voltage measurements, acquisition of audio signals, and other high dynamic-range signal measurements. Several IO109 can be synchronized to form a high channel count high-resolution A/D subsystem. Synchronization can also be accomplished with analog output modules like the IO107 and IO108 to form a phase-locked I/O subsystem say for audio applications.

Each IO109 I/O module comes with xPC Target driver blocks and Simulink test models, an external shielded 68-pin I/O cable and a terminal board for easy access of all physical I/O signals, and comprehensive documentation.

For audio applications Speedgoat furthermore developed the IO109-XLR-Panel option replacing the cable and terminal board.

This I/O module in the PMC form factor and can be used in any Speedgoat real-time target machine with the exception of the Classic real-time target machine.

Highlights

Analog inputs

  • 12 differential channels, simultaneous sampling, dedicated Sigma-Delta A/D converter per channel
  • 24-bit resolution
  • Up to 200kSamples/s
  • Selectable ±10V, ±5V, ±2.5V voltage range (software-selectable)
  • Inherent anti-aliasing filtering
  • Up to 93dB signal-to-noise ratio
  • Inter-module synchronization and synchronization with analog output modules
  • Auto-calibration of entire analog input section
  • xPC Target analog input and frame input driver block

Additional information

Data sheet

Ordering information

Customer quote

"Up and running in less than a day!"

Darren Hartman,
HUSCO International

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