USB-1208LS User's Guide Specifications
Power
Parameter Conditions Specification
Supply current (Note 5) 20 mA
Connected to Self-Powered Hub 4.5 V min, 5.25 V max +5V USB power available (Note 6)
Connected to Bus-Powered Hub 4.1 V min, 5.25 V max
Connected to Self-Powered Hub 450 mA min, 500 mA max Output current (Note 7)
Connected to Bus-Powered Hub 50 mA min, 100 mA max
Note 5:
Note 6:
Note 7:
This is the total current requirement for the USB-1208LS which includes up to 5mA for the
status LED.
Self-powered refers to USB hubs and hosts with a power supply. Bus-powered refers to USB
hubs and hosts without their own power supply.
This refers to the total amount of current that can be sourced from the USB +5V, analog outputs
and digital outputs.
General
Parameter Conditions Specification
25 °C ±30 ppm max USB controller clock error
0 to 70 °C ±50 ppm max
Device type USB 1.1 low-speed
Device compatibility USB 1.1, USB 2.0
Environmental
Operating temperature range -0 to 70 °C
Storage temperature range -40 to 70 °C
Humidity 0 to 90% non-condensing
Mechanical
Dimensions 79 mm (L) x 82 mm (W) x 25 mm (H)
USB cable length 3 Meters max
User connection length 3 Meters max
Main connector and pin out
Connector type Screw terminal
Wire gauge range 16 AWG to 30 AWG
4-4