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National Instruments Corporation
21
NI USB-6008/6009 User Guide and Specifications
Working voltage.....................................................±10 V
Input impedance.....................................................144 k
Ω
Overvoltage protection...........................................±35
V
Trigger source ........................................................Software or external digital trigger
System noise
1
Differential
±20 V range ...........................................5 mVrms
±1 V range .............................................0.5 mVrms
Single-ended
±10 V range ...........................................5 mVrms
Absolute accuracy at full scale, differential
2
Absolute accuracy at full scale, single-ended
Analog Output
Analog outputs .......................................................2
Output resolution ...................................................12 bits
Maximum update rate ............................................150 Hz, software-timed
Output range ..........................................................0 to +5 V
Output impedance ..................................................50
Ω
Output current drive ...............................................5 mA
Power-on state........................................................0 V
1
System noise measured at maximum sample rate.
2
Input voltages may not exceed the working voltage range.
Range (V)
Typical at 25 °C (mV)
Maximum over Temperature (mV)
±20
14.7
138
±10
7.73
84.8
±5
4.28
58.4
±4
3.59
53.1
±2.5
2.56
45.1
±2
2.21
42.5
±1.25
1.70
38.9
±1
1.53
37.5
Range (V)
Typical at 25 °C (mV)
Maximum over Temperature (mV)
±10
14.7
138
