Measurement Computing PCIM-DAS16JR/16 - Manual (Page 21)

Chapter 6
Specifications
Typical for 25 °C unless otherwise specified.
Specifications in italic text are guaranteed by design.
Power consumption
+5V quiescent 500 mA typical, 750 mA max. Does not include the current consumed
through 37-pin I/O connector.
+5V available at 37-pin I/O connector 1 A max, protected with re-settable fuse
Analog input
A/D converter type LTC1605ACSW
Resolution 16 bits
Number of channels 16 single-ended / 8 differential, switch selectable
Input ranges
!
Gain is software selectable
! Unipolar / bipolar polarity is software selectable
±10 V, ±5 V, ±2.5 V, ±1.25 V
0 to 10 V, 0 to 5 V, 0 to 2.5 V, 0 to 1.25 V
Internal counter - 82C54.
Positive or negative edge, jumper selectable.
External source (pin 25),
Positive or negative edge, software selectable. A/D Pacing (software programmable)
Software polled
A/D Trigger
(only available when internal pacing selected,
software enable/disable) External edge trigger (pin 25),
Positive or negative edge, software selectable.
A/D Gate (only available when internal pacing
selected, software enable/disable) External gate (pin 25),
High or Low level, software selectable.
Simultaneous Sample and Hold trigger TTL output (pin 26)
Logic 0 = Hold, Logic 1 = Sample
Compatible with CIO-SSH16
Burst mode Software selectable option, burst interval = 10 µS
From 1024 sample FIFO via interrupt w/ REPINSW
Interrupt
Data transfer
Software polled
Interrupt INTA# - mapped to IRQn via PCI BIOS at boot-time
Interrupt enable Programmable through PLX9030
Interrupt polarity Active high level or active low level, programmable through
PLX9030
Interrupt sources
(software programmable) ! End of conversion
! FIFO not Empty
! End of Burst
! End of Acquisition
! FIFO Half Full
A/D conversion time 10 µs max.
Throughput 100 kS/s
Input coupling DC
Input bandwidth (all ranges) 325 kHz
Common mode range ±10 V min.
CMRR @ 60 Hz -100 dB typ., -80 dB min
Recommended warm-up time 15 minutes
Input bias current ±3 nA max.
Input impedance 10 M Ohms min.
Absolute maximum input voltage +55/-40V fault protected via input mux.
6-1