Measurement Computing PCI-DDA02/12 - Manual (Page 14)

14
Chapter 5
Specifications
Typical for 25 °C unless otherwise specified.
Specifications in italic text are guaranteed by design.
Power consumption
Table 1. Power consumption specifications
+5 V operating 1.4 A typical, 2.2 A max
+12 V 6 mA typical, 12 mA max
-12 V 4 mA typical, 6 mA max
Analog output
Table 2. Analog output specifications
D/A converter type AD7837B
Resolution 12-bits
Number of channels 2
Output ranges ±10 V, ±5 V, ±2.5 V, 0 to 10 V, 0 to 5 V, 0 to 2.5 V.
Each channel independently programmable.
Data transfer Programmed I/O
Offset error (calibrated) ±(300 µV + ¼ LSB)
Gain error (calibrated) ±(300 µV + ¼ LSB)
Differential nonlinearity ±1 LSB max
Integral nonlinearity ±1 LSB max
Monotonicity 12-bits
D/A gain drift ±2 ppm/°C
D/A offset drift ±5 µV/°C
Throughput PC dependent
Settling time (20V step to ±½LSB) 6 µs typ, 10µs max
Slew rate 5 V/µs
Current drive ±5 mA
Output short-circuit duration 25 mA indefinite
Output coupling DC
Output impedance 0.1 Ohms max
Miscellaneous
 Double buffered output latches
 Update DACs individually or simultaneously (software selectable)
 Power up and reset, all DAC's cleared to 0 volts, ±210 mV