User's Manual

© National Instruments Corp. 13 NI 9201/9221
Input Characteristics
Number of channels .......................... 8 analog input channels
ADC resolution................................. 12 bits
Type of ADC..................................... Successive approximation
register (SAR)
Sample rate (aggregate)
Input range
NI 9201....................................... ±10 V
NI 9221....................................... ±60 V
Module
Maximum Sample
Rate (R Series
Expansion Chassis)
Maximum
Sample Rate
(All Other Chassis)
NI 9201,
single channel
475 kS/s 800 kS/s
NI 9201, scanning 475 kS/s 500 kS/s
NI 9221 475 kS/s 800 kS/s