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DA5

4 High-Voltage/High-Current (External VCC) D/A Outputs

Digital-to-Analog (D/A) module DA5 provides 4 independent D/A output channels (half-bridge) utilizing a single external supplied power source with full-scale operating range of 0-65 VDC (V-control mode) and 0-2 A (I-control mode). Alternatively, two channels can be paired (full-bridge) to achieve a full-scale operating range of ±65 V and ±2 A from a single external supplied power source. Linearity/accuracy is ±1% FS range over temperature. The DA5 provides either voltage or current control loop modes, which are programmable for the application.

Specifications
  • Resolution (Half Bridge): 16-bits in voltage (V) and current (I) modes
  • Resolution (Full Bridge): 16-bits, plus one sign bit, in voltage (V) and current (I) modes
  • Output Format: Single-ended (half-bridge) or Differential (full-bridge)
  • Output Range (V-Control): ±65V
  • Output Range (I-Control): ±2A
  • Output Impedance: < 1 Ω
  • System Protection: Output is set to be disabled at reset or Power-On.
  • Linearity Error: ±0.25% FS range over temperature (voltage-control mode; current-control mode TBD/characterized)
  • Offset Error: ±500 mV / ±8mA
  • Gain Error: ±1.75% FS range (voltage-control mode; current-control mode TBD/characterized)
  • Settling Time: 450 μs typical (550 μs max) (voltage-control mode; current-control mode TBD/characterized)
  • Data Buffer: 32K output buffer per channel
  • Load: Can drive a capacitive load of 2 A/CH max. (Source in half bridge or Sink in full bridge). Short circuit protected. When current exceeds 2.2 A for any channel, for > I2T calculation, that channel disabled.
  • Update Rate: 8.57 μs per channel
  • ESD Protection: Designed to meet the testing requirements of IEC 801-2 Level 2. (4 kV transient with a peak current of 7.5 A and a time constant of approximately 60 ns).
  • Power: 5 VDC @ ~0.8 A (External Source power/efficiency TBD/characterized)
  • Ground: Each channel is isolated from system ground with isolation barrier of continuous 500VDC.
  • Weight: ~2.1 oz. (60g)
  • *: Pending design verifications and qualification. All specifications are subject to change without notice.
Block Diagram

(Click diagram to enlarge)

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