Справочник Пользователя для National Instruments USB-9221

Stability

Offset drift

USB-9201

.................................±100 μV/°C

USB-9221

.................................±580 μV/°C

Gain drift

.........................................±34 ppm/°C

Input bandwidth (–3 dB)

USB-9201 ........................................690 kHz min

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)

USB-9201 ........................................2 

μs

USB-9221 ........................................1.25 

μs

Power consumption from USB...............500 mA, max

Suspend mode..................................2.5 mA, max

USB specification ...................................USB 2.0 high speed

Uncalibrated typ (25 °C, 

±5 °C)

±0.26%

±0.43%

Uncalibrated max (0 to 60 °C)

±0.67%

±1.06%

* Range equals 10.53 V for the USB-9201, 62.50 V for the USB-9221.