National Instruments 6008 User Manual And Specifications page 21

Range
±10
Range
±20
±10
±5
±4
±2.5
±20 V means that |AI+ – (AI–)| <= 20V. However, AI+ and AI– must both be within ±10V of GND. Refer to the
1
Differential Voltage Signals
2
System noise measured at maximum sample rate.
3
Input voltages may not exceed the working voltage range.
© National Instruments Corporation
Timing accuracy..................................... 100 ppm of actual sample rate
Input range
Single-ended ................................... ±10 V
Differential...................................... ±20 V
Working voltage..................................... ±10 V
Input impedance..................................... 144 kΩ
Overvoltage protection........................... ±35
Trigger source ........................................ Software or external digital
2
System noise
Single-ended
±10 V range ............................. 5 mVrms
Differential
±20 V range ............................. 5 mVrms
±1 V range ............................... 0.5 mVrms
Absolute accuracy at full scale, single ended
Typical at 25 °C
(mV)
Absolute accuracy at full scale, differential
Typical at 25 °C
(mV)
for more information.
±2.5 V, ±2 V, ±1.25 V, ±1 V
trigger
Maximum over Temperature
14.7
Maximum over Temperature
14.7
7.73
4.28
3.59
2.56
21 NI USB-6008/6009 User Guide and Specifications
, ±10 V, ±5 V, ±4 V,
1
(mV)
138
3
(mV)
138
84.8
58.4
53.1
45.1
Connecting