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Appendix A
Specifications
©
National Instruments Corporation
A-5
6711/6713/6715 User Manual
Channel crosstalk
6711/6713 ....................................... – 70 dB with SH6868EP cable
(generating a 10 V, 10 pt
sinusoidal at 100 KHz on the
reference channel)
DAQCard-6715............................... – 60 dB
(generating a 10 V, 10 pt
sinusoidal at 100 KHz on the
reference channel)
Total harmonic distortion....................... – 60 dB typ (generating a 10 V,
100 points, 10 kHz sine wave,
summing 9 harmonics)
Stability
Offset temperature coefficient ............... ±50 µV/°C
Gain temperature coefficient
Internal reference ............................ ±25 ppm/°C
External reference ........................... ±25 ppm/°C
Onboard calibration reference
Level ............................................... 5.000 V (±2.5 mV) (actual
value stored in EEPROM)
Temperature coefficient .................. ±5.0 ppm/°C max
Long-term stability ......................... ±15 ppm/
Digital I/O
Number of channels ............................... 8 input/output
Compatibility ......................................... TTL/CMOS
1 000 h
,
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