11
Chapter 3
Specifications
All specifications are subject to change without notice.
Typical for 25 °C unless otherwise specified.
All specifications apply to all temperature and voltage input channels unless otherwise specified.
Specifications in
italic
text are guaranteed by design.
Compatibility
Table 1. Host product compatibility
Product name
Product description
OMB-DAQ-2416-4AO
Full-speed, multiplexed 24-bit measurement system that provides up to 16 differential
and up to 32 single-ended (SE) analog inputs.
Eight high-speed lines of digital I/O and two 32-bit counters.
Four 16-bit analog output channels with an update rate of 1000 S/s and an output range
of ±10 V.
OMB-DAQ-2416
Full-speed, multiplexed 24-bit measurement system that provides up to 16 differential
and up to 32 single-ended (SE) analog inputs.
Eight high-speed lines of digital I/O and two 32-bit counters.
Analog input
Table 2. General analog input specifications
Parameter
Conditions
Specification
Number of channels
Up to 32 channels individually software-configurable as
single-ended or differential.
Thermocouples require differential mode.
For each channel configured as differential, you essentially
lose a single-ended channel.
Channel configurations
Temperature sensor input, software programmable to match
sensor type
Voltage input
Input voltage range
Thermocouple mode
±0.078125 V
Voltage mode
±20 V, ±10 V, ±5 V, ±2.5 V, ±1.25 V, ±0.625 V, ±0.3125 V,
±0.15625 V, ±0.078125 V, software- configurable
Absolute maximum input
voltage
CxH-CxL relative to GND
±30 V maximum (power on)
±10 V maximum (power off)
Input impedance
2 GΩ (power on)
390 Ω (power off)
Input leakage current
±20 nA
Input voltage >±30V
(power on/off)
±1 uA maximum
Input capacitance
590 pf
Maximum working voltage
( common mode)
Voltage mode: ±20V
range
±20.01 V maximum
Voltage mode: all other
voltage input ranges
±10.25 V maximum
Crosstalk
Adjacent channels
100 dB
Input coupling
DC
Warm-up time
15 minutes minimum
