Otii hardware

High-level comparison. For details see the product datasheets.

Otii Arc Otii Ace Pro
MAIN
Output voltage 0.5V to 5V 0V to 25V
Output power, max continuous 12W 30W
Output power, max peak 25W 50W
Isolated No +-200V
 
Sink current Max 2.5A Max 5A
Sink current, setting resolution 100µA 1µA
Sink voltage 0.85V to 5V 0V to 25V
Sink power, max continuous 12W 15W
Sink power, max peak 25W 125W
 
Current measurement accuracy ±(0.1% + 50 nA) ±(0.05% + 25 nA)
Current measurement resolution 5nA 0.4nA
Current measurement sample rate up to 4 ksps up to 50 ksps
 
Voltage measurement accuracy ±(0.1% + 1.5 mV) ±(0.01% + 1 mV)
Voltage measurement sample rate up to 4 ksps up to 50 ksps
 
EXPANSION PORT
Digital IO 1.2V to 5.0 V 1.2V to 5.0 V
 
ADC differential voltage 0V to 5V -10V to 25V
ADC differential resolution 2.5uV 12.2nV
ADC differential accuracy ±(0.1% + 10 uV) ±(0.1% + 1 uV)
ADC differential input impedance 220kohm >100Mohm
 
ADC, Single ended voltage 0V to 5V -10V to 25V
ADC, Single ended resolution 1.25mV 3.1uV
ADC, Single ended accuracy ±(0.1% + 7.5mV) ±(0.1% + 250uV)
ADC, Single ended input impedance 830kohm >100Mohm
 
SENSE voltage 0V to 5V -10V to 25V
SENSE resolution 1.5mV 3.1uV
SENSE accuracy 1% ±(0.1% + 250uV)
SENSE input impedance 1Mohm >100Mohm
 
Expansion port output voltage 5V fixed 0V to 15V
Expansion port setting resolution 5mV
Expansion port output current max 500mA max 600mA
 
USB and DC JACK
DC jack input voltage 7V to 9V 7V to 20V
DC jack input current max 5A max 5A
 
USB port input voltage 4.75V to 5.25V 4.75V to 20V
USB port input current max 3A max 3A
 

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