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OM-USB-TEMP-AI User's Guide
Memory
EEPROM
Microcontroller
Type
USB +5V voltage
Parameter
USB +5V (VBUS) input voltage range
Power
Parameter
Supply current
Supply current
(Note 21)
User +5V output voltage range
(terminal block pin 21)
User +5V output current
(terminal block pin 21)
Isolation
This is the total current requirement for the OM-USB-TEMP-AI which includes up to 10 mA for
Note 21:
the status LED.
USB specifications
USB device type
Device compatibility
Device power capability
USB cable type
USB cable length
Table 17. Memory specifications
1,024 bytes isolated micro reserved for sensor configuration
256 bytes USB micro for external application use
Table 18. Microcontroller specifications
Two high-performance 8-bit RISC microcontrollers
Table 19. USB +5V voltage specifications
Specification
4.75 V minimum to 5.25 V maximum
Table 20. Power specifications
Conditions
USB enumeration
Quiescent mode with all inputs configured for Disabled mode
Bus-powered and connected to a self-powered hub. (Note 21)
Measurement system to PC
Table 21. USB specifications
USB 2.0 (full-speed)
USB 1.1, USB 2.0
Self-powered
A-B cable, UL type AWM 2527 or equivalent. (min 24 AWG VBUS/GND,
min 28 AWG D+/D–)
3 meters maximum
30
Specifications
Specification
<100 mA
270 mA typical
4.9 V minimum to
5.1 V maximum
5 mA maximum
500 VDC minimum
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