Appendix a - specifications, Appendix a, Specifications, daq pc-cards – Measurement Computing Daq PC-Cards User Manual
Page 21: Specifications, daq pc-cards a, General, A/d specifications, Analog inputs, Triggering, Channel sequencer, Digital i/o
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Specifications, Daq PC-Cards A
General
Operating Temperature: 0° to 50°C
Storage: -55° to 150°C
Humidity: 5% to 90% RH, non-condensing
Size: 5 mm (PC-Card)
Expansion Channel Capacity: 256 max
Power
Normal
Operation: 5V @ 160 mA
Power Down Mode: 5V @ 40 mA
A/D Specifications
Type: Successive approximation
Resolution:
Daq/112B: 12 bit
Daq/216B: 16 bit
Conversion Time: 8 µs
Monotonicity: No missing codes
Linearity: ±0.9 LSB
Zero Drift: ±2 ppm/°C
Gain Drift: ±7 ppm°C
Sample & Hold Amplifier
Acquisition
Time: 2 µs max
Aperture Delay: 40 ns
Analog Inputs
Channels: 16 single-ended, or 8 differential,
expandable up to 256 via expansion options
Connector: DB37 male or female connector
available (see CA-134)
Range: Gains and ranges are sequencer selectable
on a per-channel basis;
±10, ±5, ±2.5, ±1.25
Maximum Overvoltage: 10V
Input Current: 1 nA
Input Impedance: 100M Ohm
Triggering
Digital Trigger
Logic Level Range: 0.8V low / 2.2V high
Trigger
to
A/D
Latency: 10 µs max
Software Trigger
Trigger
to
A/D
latency: Dependent on PC
Channel Sequencer
Depth: 512 locations
Speed: 10 µs per channel, fixed
Internal Between Scans: 10 µs to 167s, software
programmable
Gains: Sequencer programmable per channel
Digital I/O
Number: 4-bit input and 4-bit output, TTL
compatible (not accessible if analog expansion
options are in use)
Input High Voltage: 2V min
Input Low Voltage: 0.8V max
Output High Voltage: 3V min @ 2.5 mA source
Output Low Voltage: 0.4V max @ 2.5 mA sink
Cable Information Part No.
DB37 cable, 2 ft.; Connects a CA-134
Daq PC-Card to a DBK1,
a DBK11A, or a DBK40;
Includes a gender changer.
Note: Specifications are subject to change without notice.
Appendix A - Specifications, Daq PC-Cards
978697
A-1