User guide

4 • Introduction

1.3 Specifications

Analog Input (A/D)

• Converter: ADS774 or equivalent, successive approximation type

• Resolution: 12-bit

• Numbers of Input Channel: 16 single-ended or 8 differential

• Input Range: (Programmable)

9 Bipolar: ±10V, ± 5V, ±2.5V, ±1.25V, ±0.625V

9 Unipolar: 0~10V, 0~5V, 0~2.5V, 0~1.25V

• Conversion Time: 8

sec

• Throughput: 110KHz multiplexing (maximum)

• Analog Input Over-voltage Protection: Continuous

35V max.

• Accuracy:

GAIN = 0.5, 1

0.01% of FSR ±1 LSB

GAIN = 2, 4

0.02% of FSR ±1 LSB

GAIN = 8

0.04% of FSR ±1 LSB

• Input Impedance: 10 M

Ω

• Trigger Modes: Software, Timer Pacer, and External trigger

• Data Transfer Modes: Bus mastering DMA, Program control, Interrupt

• FIFO Depth: 8 words for PCI-9112, 2K words for cPCI-9112/R only

Analog Output (D/A)

• Numbers of Output Channel: 2 double-buffered analog output

• Resolution: 12-bit