U2781A Datasheet, PDF (36/76 Pages) Keysight Technologies – USB Modular Products

Product specifications
Model number
Digital input
Number of isolated bits
Input type
Maximum input voltage range¹
Digital logic levels²
Input resistance
Input current (maximum)
Maximum transient voltage³
Interrupt sources
Digital output
Number of isolated bits
Output type
External supply voltage range
Voltage drop at MOSFET when on
Output sink current per bit
Maximum transient voltage
On board isolated +5 V power supply
Output voltage (Typical)
Output current (Typical)
Maximum power
General
Power consumption
Relative humidity
Storage temperature
Operating temperature
Connector type
Dimensions (W × D × H)
Remote interface
U2651A
U2652A
U2653A
32-bit
64-bit
-
Opto-isolated
Opto-isolated
-
24 V, non-polarity
24 V, non-polarity
-
High: 10 V to 24 V
High: 10 V to 24 V
-
Low: 0 V to 2 V
Low: 0 V to 2 V
24 kΩ at 0.75 W
24 kΩ at 0.75 W
-
1.5 mA per bit
1.5 mA per bit
-
1250 V_peak
1250 V_peak
-
DI_101.0/301 and
DI_101.0/301 and
-
DI_101.1/302
DI_101.1/302
32-bit
-
64-bit
Open drain power MOSFET
-
Open drain power MOSFET
driver
driver
5 V to 35 V
-
5 V to 35 V
VDrop < 1.0 V (Maximum)
-
VDrop < 1.0 V (Maximum)
500 mA (100% duty cycle)
-
500 mA (100% duty cycle)
per bit
per bit
400 mA (100% duty cycle)
400 mA (100% duty cycle)
when full 32-bit loaded
when full 32-bit loaded
1250 Vpeak
-
1250 Vpeak
+5 V
-
+5 V
150 mA
-
150 mA
0.85 W
-
0.85 W
+12 V at 235 mA (Typical) +12 V at 115 mA (Typical) +12 V at 260 mA (Typical)
Operating: 15% to 85% at 40 °C (non-condensing)
Non-operating: 90% RH at 65 °C for 24 hours
–20 °C to +70 °C
0 °C to +55 °C
100-pin SCSI-II connector
120.00 mm × 182.40 mm × 44.00 mm (with plastic casing)
105.00 mm × 174.54 mm × 25.00 mm (without plastic casing)
Hi-Speed USB 2.0
1 _{Maximum input voltage is 24 V with reference to DICOM.}
2 _{Voltage level with reference to DICOM.}
3 _{Maximum transient voltage between DIin and DICOM.}
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