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DS2002/DS2003 Multi-Channel A/D Boards

High-Resolution A/D Boards

The DS2002 and DS2003 Multi-Channel A/D Boards provide various resolutions, channel numbers and speeds for A/D conversion. The boards can be used to convert the analog voltages or currents from sensors (pressure, temperature, etc.), or from electronic control units (ECUs).   

  • A/D boards with various resolutions, channel numbers, and speeds
  • Up to 32 channels, resolution of up to 16 bit
  • Sample times 3.9 - 5.6 μs (16 bit)

Application Areas

A/D conversion is an element of most applications in rapid control prototyping and hardware-in-the-loop (HIL) simulation. In rapid control prototyping, sensors for pressure, temperature, or other signals provide analog voltages or currents. In HIL simulations, the electronic control unit provides analog voltages or currents that control the simulated actuators.

Key Benefits

The A/D boards provide various channel numbers, resolutions, and speeds for you to choose from. The table below gives you an initial overview. The boards can be configured from Simulink® by using Real-Time Interface. You can select the voltage range and the resolution separately for each channel or A/D converter.

Comparing the Boards

Board Channels Resolution Sample Time1) (2 Channels) Sample Time1) (All Channels)
DS2002 Multi-Channel A/D Board 32 in 4, 8, 12, 16 bit, shortcycling 3.9 μs (16 bit) 66.9 μs (16 bit)
DS2003 Multi-Channel A/D Board 32 in 4, 8, 10, 12, 13, 14, 15, 16 bit, shortcycling 5.6 μs (16 bit) 56.6 μs (16 bit)

1) Speed and timing specifications describe the capabilities of the hardware components and circuits of dSPACE products. Depending on the software complexity, the attainable overall performance can deviate significantly from the hardware specification.

Parameter Specification
General
  • 32 A/D input channels (single-ended)
  • 2 independent A/D converters with separate sample & hold (S/H), 16 multiplexed inputs each
  • Hold mode
  • 4-, 8-,12- or 16-bit resolution (programmable)
  • ±5 V or ±10 V input voltage range (programmable)
A/D channels1), 2) Conversion time1)
  • 1.5, 2.0, 2.5, 3.0 µs (resolution-dependent)
S/H acquisition time
  • 0.9 µs to 0.01% of FSR (full-scale range)
Multiplexer settling time
  • 1.2 µs to 0.01% of FSR
Offset error
  • ±2.0 mV
Gain error
  • ±0.2% of FSR
Offset drift
  • ±4 ppm of FSR/K
Gain drift
  • ±25 ppm of FSR/K
Linearity error
  • ±0.003% of FSR
Differential linearity error
  • ±0.002% of FSR
Missing codes
  • No missing codes at 14-bit resolution
SNR (signal-to-noise ratio)
  • 78 dB
Channel crosstalk
  • -75 dB (at 10 kHz signal frequency)
Input impedance
  • 1 MΩ
Input overvoltage protection
  • Up to ±15 V
Warm-up time
  • 2 min.
Interrupt controller
  • 2 interrupts on end of A/D conversion (one for each A/D converter)
Sampling
  • By software from processor board
  • Simultaneous
Physical connections
  • 50-pin male Sub-D input connector
Host interface
  • One 8- or 16-bit ISA slot (power supply only)
Physical characteristics Physical size
  • 340 x 125 x 15 mm (13.4 x 4.9 x 0.6 in)
  Ambient temperature
  • 0 … 70 ºC (32 … 158 ºF)
  Power supply
  • +5 V ±5%, 2.5 A
  • +12 V ±5%, 200 mA
  • -12 V ±5%, 130 mA

1) Speed and timing specifications describe the capabilities of the hardware components and circuits of dSPACE products. Depending on the software complexity, the attainable overall performance can deviate significantly from the hardware specification.
2) Typical values at 25 °C, 16-bit resolution and ±10 V input voltage range (FSR = full-scale range).

Parameter Specification
General
  • 32 A/D input channels (single-ended)
  • 2 independent A/D converters
  • Simultaneous sample-and-hold (S/H)
  • Hold mode
  • 4-, 8-,10-, 12-, 13-, 14-, 15- or 16-bit resolution (programmable separately for each channel pair)
  • ±5 V or ±10 V input voltage range (programmable)
  • 1 external trigger input line
A/D channels1), 2) Conversion time1)
  • 1.4 ... 3.0 µs (resolution-dependent)
  S/H acquisition time
  • 1 µs to 0.01% of FSR (full-scale range)
  Hold step time
  • 1.6 μs to 0.01% of FSR
  Multiplexer settling time
  • 400 ns
  Offset error
  • ±2.5 mV
  Gain error
  • ±0.2% of FSR
  Offset drift
  • ±10 ppm of FSR/K
  Gain drift
  • ±35 ppm of FSR/K
  Linearity error
  • ±0.006% of FSR
  Differential linearity error
  • ±0.002% of FSR
  Missing codes
  • No missing codes at 14-bit resolution
  SNR (signal-to-noise ratio)
  • 78 dB
  Adjacent channel crosstalk
  • -80 dB
  Static crosstalk
  • -80 dB (at 10 kHz signal frequency)
  Dynamic crosstalk
  • -110 dB
  Input impedance
  • 1 MΩ
  Input overvoltage protection
  • Protection up to ±15 V
  Warm-up time
  • 10 min.
Interrupt controller
  • Scan process complete
  • A/D converter data buffer: not empty, half full, full
Sampling
  • By software from processor board
  • By external signal
  • Simultaneous
Physical connections
  • 50-pin male Sub-D input connector
Host interface
  • One 8- or 16-bit ISA slot (power supply only)
Physical characteristics Physical size
  • 340 x 125 x 15 mm (13.4 x 4.9 x 0.6 in)
  Ambient temperature
  • 0 … 70 ºC (32 … 158 ºF)
  Power supply
  • +12 V ±5%, 350 mA
  • -12 V ±5%, 280 mA
  • +5 V ±5%, 1.5 A

1) Speed and timing specifications describe the capabilities of the hardware components and circuits of dSPACE products. Depending on the software complexity, the attainable overall performance can deviate significantly from the hardware specification.
2) Typical values at 25 °C, 16-bit resolution and ±10 V input voltage range (FSR = full-scale range).

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