Keithley KUSB-3160, User Manual, Page: 53 / 69

Specifications
41
A
A
A
A
A
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A
Table 7 lists the power, physical, and environmental specifications for
the KUSB-3160 module.
Output driver high voltage 100 k
Ω
Pullup to +5V_I
a
Output driver low voltage 0.6 V maximum (IOL = 12 mA)
Back EMF diodes Yes
a. You can drive the +5V_I isolated output pin from an external power supply. This will
allow the last digital output value to be latched to the input stage; therefore, if the
power is reduced by the host, the digital output values will not change. Current
requirements are 50 mA plus load.
Table 7: Power, Physical, and Environmental Specifications
Feature Specifications
Power
+5 V Standby:
+5 V Enumeration:
+5 V Power ON:
+5 V Isolated Power Out:
500
µ
A maximum
100 mA maximum
500 mA maximum
a
2.5 mA maximum
a. Typical power supply current is 200 mA on startup.
Physical
Dimensions:
Weight:
6.6 inches x 4.5 inches x 1.4 inches
160 mm x 100 mm mounting
16 ounces (448 grams)
Environmental
Operating temperature range:
Storage temperature range:
Relative humidity:
0
°
C to 55
°
C
−
25
°
C to 85
°
C
To 95%, noncondensing
Table 6: DOUT Subsystem Specifications (cont.)
Feature Specifications