PCI-DAS08

Specifications

Document Revision 2.2, February, 2010
© Copyright 2010, Measurement Computing Corporation

Specifications
Typical for 25 °C unless otherwise specified.
Specifications in italic text are guaranteed by design.

Analog input
Table 1. Analog input specifications
Parameter

Specification

A/D converter type
Resolution
RangesA/D pacing
A/D triggering modes

AD1674J
12 bits±5 V
Software polled
Digital:Software polling of digital input (DIN1) followed by pacer
loading and configuration.
Software polled
Bipolar8 single-ended
10 µs
40 kHz typical, PC dependent±1 LSBNo missing codes guaranteed±1 LSB±180 ppm/°C±60 ppm/°C±60 nA max over temperature
10 MegOhm min±35 V(Rate = 1-50 kHz, Average % ± 2 bins, Average % ± 1 bin, Average # bins)
Bipolar (5 V): 100% / 100% / 3 bins

Data transfer
Polarity
Number of channels
A/D conversion timeThroughput
Relative accuracy
Differential linearity error
Integral linearity error
Gain drift (A/D specs)
Zero drift (A/D specs)
Input leakage current
Input impedance
Absolute maximum input voltage
Noise distribution

Digital input / output
Table 2. Digital I/O specifications
Parameter

Specification

Digital type (main connector):

Output: 74ACT273
Input:
74LS244
3 fixed input, 4 fixed output
7
3.94 volts min @ -24 mA (Vcc = 4.5 V)
0.36 volts max @ 24 mA (Vcc = 4.5 V)
2.0 volts min, 7 volts absolute max
0.8 volts max, -0.5 volts absolute min
INTA# - mapped to IRQn via PCI BIOS at boot-time
Programmable through PCI controller:
0 = disabled
1 = enabled (default)

Configuration
Number of channels
Output highOutput low
Input highInput low
Interrupts
Interrupt enable1

PCI-DAS08

Specifications

Parameter

Specification

Interrupt sources

External source (EXT INT)
Polarity programmable through PCI controller:
1 = active high0 = active low (default)

Counter section
Table 3. Counter specifications
Parameter

Specification

Counter type
Configuration
Counter 0 - User counter 1

82C54 device
3 down counters, 16-bits each
Source:Available at user connector (CTR1CLK)
Gate:
Available at user connector (CTR1GATE)
Output:Available at user connector (CTR1OUT)
Source:Available at user connector (CTR2CLK)
Gate:
Available at user connector (CTR2GATE)
Output:Available at user connector (CTR2OUT)
Source:Buffered PCI clock (33 MHz) divided by 8.
Gate:
Available at user connector (CTR3GATE)
Output:Available at user connector (CTR3OUT) and may be
software configured as Interrupt Pacer.
10 MHz max
30 ns min
50 ns min
50 ns min
50 ns min
0.8 V max
2.0 V min
0.4 V max
3.0 V minCounter 1 - User counter 2Counter 2 - User counter 3 or Interrupt Pacer

Clock input frequency
High pulse width (clock input)
Low pulse width (clock input)
Gate width highGate width low
Input low voltage
Input high voltage
Output low voltage
Output high voltage

Power consumption
Table 4. Power consumption specifications
Parameter

Specification+5 V operating (A/D converting to FIFO)
+12 V
-12 V

251 mA typical, 436 mA max
13 mA typical, 19 mA max
17 mA typical, 23 mA max

Environmental
Table 5. Environmental specifications
Parameter

Specification

Operating temperature range
Storage temperature range
Humidity

0 to 50 °C-20 to 70 °C
0 to 90% non-condensing

2

PCI-DAS08

Specifications

Main connector and pin out
Table 6. Main connector specifications
Parameter

Specification

Connector typeCompatible cables

37-pin male "D" connector
C37FF-x cable
C37FFS-x cable
CIO-MINI37
SCB-37
ISO-RACK08
CIO-MINI37
SCB-37
ISO-RACK08
CIO-EXP16
CIO-EXP32
CIO-EXP-GP
CIO-EXP-BRIDGE16
CIO-EXP-RTD16

Compatible accessory productswith the C37FF-x cableCompatible accessory productswith the C37FFS-x cable

Table 7. Main connector pin out
PinSignal Name

PinSignal Name

12345678910111213141516171819+12V
CTR1 CLK
CTR1 OUT
CTR2 CLK
CTR2 OUT
CTR3 OUT
DOUT1DOUT2DOUT3DOUT4
DGND
LLGND
LLGND
LLGND
LLGND
LLGND
LLGND
LLGND
10V REF

202122232425262728293031323334353637-12V
CTR1 GATECTR2 GATECTR3 GATE
EXT INTDIN1DIN2DIN3DGND+5V
CH7CH6CH5CH4CH3CH2CH1CH03

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PCI-DAS08-spec.doc