National Instruments NI USB-9264, Руководство пользователя и технические характеристики, Страница: 13 / 17

© National Instruments Corporation 13 NI USB-9264 User Guide and Specifications
Accuracy
Stability
Gain drift......................................... 6 ppm/°C
Offset drift....................................... 80
μ
V/°C
Protection
Overvoltage..................................... ±27 V at 25 °C
Short-circuit .................................... Indefinitely
Noise ...................................................... 500
μ
V
rms
Crosstalk................................................. 90 dB
Settling time (100 pF load, to 1 LSB)
20 V step ......................................... 20
μ
s
1 V step ........................................... 15
μ
s
0.1 V step ........................................ 13
μ
s
Capacitive drive ..................................... 1,500 pF max
Monotonicity .......................................... 16 bits
DNL ....................................................... +1 LSB max
INL (endpoint) ....................................... ±12 LSBs max
Power Requirements
Current consumption from USB ............ 1 W max
Suspend mode ........................................ 2.5 mA, max
Measurement Conditions
Percent of
Reading
(Gain Error)
Percent of
Range
*
(Offset
Error)
Calibrated, max (–40 to 70 °C) 0.15% 0.15%
Calibrated, typ (25 °C) 0.05% 0.05%
Uncalibrated, max (–40 to 70 °C) 0.6% 1.0%
Uncalibrated, typ (25 °C) 0.2% 0.25%
* Range equals 10.5 V