Otii Hardware

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

	Otii Arc	Otii Ace
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 1 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 shunt voltage range	-81.9175mV to 81.2 mV	-102.4mV to 102.4mV
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