NI 9381, 0-5V, 8-Ch AI, 8-Ch AO, 4-Ch LVTTL DIO, C Series Module (782580-01)

8 AI, 8 AO, 4 DIO, 0 V to 5 V, C Series Multifunction I/O Module
The NI‑9381 is a single, cost-effective module for general-purpose system I/O. The NI‑9381 combines common I/O circuitry into a single module to help system designers fit more functionality into a single system. The analog circuitry on the NI‑9381 is a multiplexed architecture that shares a single timing engine. The maximum sample rate per channel is divided by the number of both analog input and analog output channels in use. The NI‑9381 is supported in only CompactRIO Chassis.

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Key product
Analog Input

  • Number of channels: 8 single-ended channels
  • ADC resolution: 12 bits
  • Type of ADC: Successive approximation register (SAR)
  • Input range: 0 V to 5 V ±1%
  • DNL: ±1.25 LSB
  • Conversion time: 50 µs (20 kS/s)
  • Input coupling: DC
  • Input impedance: 1 MΩ in parallel with 50 pF
  • Bandwidth: 1 kHz

Analog Output

  • Number of channels :8 channels
  • DAC resolution: 12 bits
  • Type of DAC:String
  • Startup voltage:0 V
  • Output range:0 V to 5 V ±1%
  • Current drive: ±1 mA
  • Output impedance:5 Ω
  • Update time:50 µs (20 kS/s)
  • Slew rate:30 V/ms

Digital Input/Output

  • Number of channels : 4 channels
  • Default power-on line direction : Input
  • Input/output type : LVTTL, single-ended

Digital logic levels

  • Maximum input voltage : 5.2 V
  • Input high, VIH : 2 V
  • Input low, VIL : 0.8 V

Output high, VOH

  • Sourcing 100 µA :2.7 V

Output low, VOL

  • Sinking 100 µA :0.2 V
  • Maximum I/O switching frequency : 1 MHz
  • Capacitive drive : 100 pF

Environmental Characteristics

  • Temperature Operating : -40 °C to 70 °C
  • Storage : -40 °C to 85 °C

 

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