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NI USB-9201/9221 User Guide and Specifications
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Stability
Offset drift
NI USB-9201............................±100
μ
V/°C
NI USB-9221............................±580
μ
V/°C
Gain drift .........................................±34 ppm/°C
Input bandwidth (–3 dB)
NI USB-9201...................................690 kHz min
NI USB-9221...................................950 kHz min
Input impedance
Resistance ........................................1 M
Ω
Capacitance......................................5 pF
Input noise (code-centered)
RMS.................................................0.7 LSB
rms
Peak-to-peak ....................................5 LSB
No missing codes....................................12 bits
DNL ........................................................–0.9 to 1.5 LSB
INL..........................................................±1.5 LSB
Crosstalk .................................................–75 dB, 10 kHz
Settling time (to 1 LSB)
NI USB-9201...................................2
μ
s
NI USB-9221...................................1.25
μ
s
Power Requirements
Power consumption from USB...............500 mA, max
Suspend mode..................................2.5 mA, max
Bus Interface
USB specification ...................................USB 2.0 Hi-Speed