ADLINK PCI-9527 - Manual (Page 15)

Introduction 3
ADLINK Technology Inc. PCI-9527
Copyright 2010 User’s Manual
1.3 Specifications
1.3.1 Analog Input
Channel Characteristics
Number of channels
2
Input configurations Differential or pseudodifferential
Input coupling AC or DC, software selectable
ADC resolution 24-bits
ADC type Delta-sigma
Sample rates (fs) 432KS/s maximum, 2KS/s to 432KS/s in
454.7uS/s increments, maximum
FIFO buffer size Total 4096 samples shared for AI channels
Data transfers Direct memory access (DMA)
Input signal range ±40V
±10V
±3.16V
±1V
±0.316V
Input Common Mode
Range ±10V for both Differential and Pseudodifferential
Configuration
Overvoltage protection Differential input: ±40 Vpk
Pseudo-Differential
 Positive terminal: ±40 Vpk
 Negative terminal: ±10 Vpk
Input impedance
Differential Configuration
Between (+) and GND: 1MΩ
Between (-) and GND: 1MΩ
Pseudodifferential Configuration
Between (+) and GND: 1MΩ
Between (-) and GND: 50Ω
Table 1-1: Channel Characteristics