PCI 703 User Manual
Eagle Technology - Data Acquisition
Eagle Technology © Copyright 2001-2004 – www.eagledaq.com
31
A
A.Specifications
Maximum Transfer Bandwidth – PCI703/S
The ADC and DAC subsystems share a common data path to the FIFO module. This limits
the maximum data transfer between the FIFO’s, the appropriate device and across PCI. The
maximum bandwidth is 450 000 cycles per second.
Analog Input Characteristics – PCI703
Input Characteristics
Input Signal Ranges
Channel
Gain
Unipolar
Range
Bipolar
Range
0.25
0-10V
±
10V
0.50
0-10V
±
5V
1.00
0-5V
±
2.5V
2.50
0-2V
±
1V
5.00
0-1V
±
500 mV
10.00
0-500mV
±
250 mV
25.00
0-200mV
±
100 mV
50.00
0-100mV
±
50 mV
100.00
0-50mV
±
25 mV
Input Coupling
DC
Maximum Working Voltage
±
11V relative to analog ground
Over Voltage Protection
±
25V when power is on, relative to analog ground
±
35V when power is off, relative to analog ground
FIFO Buffer Size
4096
Channel List Buffer Size
Maximum 2048
Data Transfer
Programmed I/O, Interrupts, BM DMA
Conversion Characteristics
Maximum Sampling Rate
400 000 samples per second (S/s)
Resolution
14 bits
Relative Accuracy
±
1 LSB max
Offset Error (Gain = 1)
±
0.4 mV max
Offset Error (Gain = 10)
±
0.6 mV max
Offset Error (Gain = 50)
±
0.1 mV max
Gain Error
±
0.02% of max reading
Differential Input Amplifier Characteristics (AD620BR)
Input Impedance
10 G
Ω
, in parallel with 100 pF maximum
Bandwidth
600 KHz
Settling Time
5 uS to 2 LSB
15 uS to 1 LSB
System Noise
Gains < 5, 0.6 LSB (rms)