beautypg.com

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

background image

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