National Instruments PCI-4452 - Manual (Page 76)

Appendix A Specifications
© National Instruments Corporation A-5 PCI-4451/4452 User Manual
Phase linearity ........................................ ±1°, Gain
≥
0 dB,
±2°, Gain < 0 dB
Interchannel phase.................................. ±1°, Gain
≥
0 dB,
±2°, Gain < 0 dB
(same configuration all input
channels)
Interchannel gain mismatch ................... ±0.1dB, for all gains
(same configuration for all input
channels)
Signal delay............................................ 42 sample periods, any sample
rate (time from when signal enters
analog input to when digital data
is available)
Onboard Calibration Reference
DC level ................................................. 5.000 V ±2.5 mV
Temperature coefficient ......................... ±5 ppm/° C max
Long-term stability................................. ±15 ppm/
Analog Output
♦
PCI-4451 only
Channel Characteristics
Number of channels ............................... 2 simultaneously updated
Output configuration .............................. balanced differential
Resolution .............................................. 16 bits
Type of DAC.......................................... Delta-sigma, 64-times
oversampling
Sample rates ........................................... 1.25 to 51.2 kS/s in increments
of 47.684 µS/s
Frequency accuracy................................ ±100 ppm
1 000 h
,
User.book Page 5 Tuesday, April 14, 1998 10:20 AM