Measurement Computing PCI-DDA08/12, User Manual, Page: 19 / 24

Chapter 6
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 1.6 A typical, 2.6 A max
+12 V 24 mA typical, 48 mA max
-12 V 16 mA typical, 25 mA max
Analog output
Table 2. Analog output specifications
D/A converter type AD7837B
Resolution 12-bits
Number of channels
8
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
6-1
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com