45ks/s Low Gain 12-bit, 16 Channel Input, 1-channel D/A, Digital I/O Board


45ks/s Low Gain 12-bit, 16 Channel Input, 1-channel D/A, Digital I/O Board

  Price:  $369.00  

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The PCI-821L/H is a high performance, multifunction board for PC/AT compatible computers. The PCI-821L provides low gain (1, 2, 4, 8) and PCI-821H supports high gain (1, 10, 100, 1000). The PCI-821L/H contains 12-bit ADC with up to 16 single-ended or 8 differential analog input channels. It also has a 12-bit DAC voltage outputs and 16 channels of TTL-compatible digital input and digital output, respectively. The maximum sampling rate of A/D converter is about 45K.sample/sec.
  • Maximum sample rate of A/D converter: 45K samples/sec
  • Software selectable input ranges
  • PC AT compatible PIO bus
  • A/D trigger mode:
    • software trigger
    • pacer trigger
  • Input Channels:
    • 16 single-ended
    • 8 differential analog
  • Programmable high gain: 1,10,100,1000 (PIO-821H)
  • Input range: ±5V, ±0.5V, ±0.05V, ±0.005V(PIO-821H)
  • Programmable low gain: 1, 2, 4, 8 (PIO-821L)
  • Input range: ±5V, ±2.5V, ±1.25V, ±0.625V (PIO-821L)
  • 1 channel 12-bit D/A voltage output
  • 16 digital input /16 digital output (TTL compatible)
  • Interrupt handling
  • PIO-821L/H card can be calibrated by software tool


Analog Input Specifications
Channels 16 single-ended or 8 differential
Input range: software programmable
PIO-821L: bipolar: ±5V, ±2.5V, ±1.25V, ±0.625V
PIO-821H: bipolar: ±5V, ±0.5V, ±0.05V, ± 0.005V
Input current: 250nA max (125nA typical) at 25°C.
On chip sample and hold 
Over voltage: continuous single channel to 70Vp-p
Input impedance: 1010 W // 6pF
Conversion time: 8 microseconds
Accuracy: ±1-bit
Resolution: 12-bit
Input type: Single-ended, 8 differential by jumper(jp4) selected

Analog Output Specifications
Channels 1 independent
Linearity ±1/2-bit
Output range 0 ~ 5V or 0 ~10V
Jumper selected by Jumper (JP2)
May be used with other AC or DC
Reference input Maximum output limit ± 10V
Output drive ± 5mA
Settling time 0.6 microseconds to 0.01% for full scale step

Digital I/O


16-channel ; TTL levels
Outputs 16-channel ; TTL levels

Internal pacer timer 16-bit , 8MHz input
External pacer timer 16-bit , 8MHz input
Machine independent timer 16-bit , 8MHz input 

Power Requirements +5V @ 960 mA (max)
Operating temperature 0°C ~ +50°C
Storage temperature -20°C to 70°C
Humidity 0 to 90% non-condensing
Dimensions 165 mm x 105mm

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