AppendixA Specifications
©NationalInstruments Corporation A-5 7344/7334Hardware User Manual
Analog inputs
Numberof inputs ............................ 8, multiplexed
Numberfor u sersignals ...........4
Numberfor calibration ............ 4
Voltage range (programmable)....... ±10 V, ±5 V, 0–10 V, 0–5V
Inputresistance ...............................10 kΩmin
Resolution.......................................12 bits
Analogreference output ..................7.5 V (nominal)
Reference drift ................................±30 ppm/°C typical
INL..................................................±1 LSB
DNL................................................ ±1 LSB
Offseterror
Unipolar...................................±5 LSB
Bipolar..................................... ±10 LSB
Gain error
Unipolar...................................±10 LSB
Bipolar..................................... ±10 LSB
Conversiontime ..............................6 µs
Multiplexorscan rate ...................... 50 µs/enabled channel
Analog outputs (7344 only)
Numberof outputs .......................... 4
Voltage range.................................. ±10 V
Outputcurrent ................................. ±5 mA
Resolution....................................... 16 bits (0.000305 V/LSB)
Gain accuracy ................................. ±3%
Drift.................................................100 ppm/°C typical
Digital I/O
Ports....................................................... 4, 8-bit ports
Line direction..................................Individual bit programmable
Inputs
Voltage range..................................0 to 5 V
Inputlow voltage..................... 0.8 V
Inputhigh voltage ....................2.0 V