©
National Instruments Corp.
13
NI 9222/9223
Input Characteristics
N
u
mber of channels.......................... 4 analog inp
u
t channels
ADC resol
u
tion................................. 16 bits
Type of ADC..................................... S
u
ccessive approximation
register (SAR)
Inp
u
t voltage ranges
1
Overvoltage protection ..................... ±30 V
1
Refer to the
Safety Guidelines
section for more information abo
u
t safe operating
voltages.
Measurement Voltage, AI+ to AI–
Minimum*
Typical
Maximum
±10.5 V
±10.6 V
±10.7 V
* The
minimum measurement voltage range
is the largest voltage the
NI 9222/9223 is g
u
aranteed to acc
u
rately meas
u
re.