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OM-USB-TEMP-AI User's Guide
Specifications
22
Parameter
Conditions
Specification
V0x-
V3x
10 Gigohm (power on)
2.49 kohm (power off)
T0x-
T3x,
with open thermocouple
detect disabled.
30 nA maximum
T0x-
T3x,
with open thermocouple
detect enabled.
105 nA maximum
Input leakage current
V0x-
V3x
±1.5 nA typical., ±25 nA maximum
T0x-T3x
50 Hz
Input bandwidth (-3 dB)
V0x-V3x
3 kHz
Maximum working
voltage (
common mode)
V0x-V3x
±10.25 V maximum
T0x-
T3x,
fIN = 60 Hz
100 dB
Common mode rejection
ratio
V0x-
V3x,
fIN = 60 Hz, all input
ranges
83 dB
ADC Resolution
24 bits
ADC No missing codes
24 bits
Input coupling
DC
Warm-up time
30 minutes minimum
Open thermocouple
detect
T0x-T3x
Automatically enabled when the channel pair is
configured for thermocouple sensor.
The maximum open detection time is 3 seconds.
T0x-T3x,
15 °C to 35 °C
±0.25 °C typical, ±0.5 °C maximum
CJC sensor accuracy
T0x-T3x,
0 °C to 70 °C
–1.0 to +0.75 °C maximum