Measurement Computing CIO-DAS16 - Manual (Page 33)

Analog Output
D/A converter type MX7548
Resolution 12 bits
Number of channels 2
Output Ranges 0 to 5V using on-board reference, ±10V range using external reference
(Vout max =
−
1 * VRef)
Offset error Adjustable to 0 with potentiometer
Gain error Adjustable to 0 with potentiometer
Differential non linearity ±1LSB max
Integral non linearity ±1LSB max
Monotonicity ±0.5 LSB
D/A Gain drift ±5 ppm/°C max
D/A pacing Software paced
D/A trigger modes Software
Data transfer Software
Throughput System dependent
Settling time (output current to ±½LSB) 1µs max
Slew Rate (OP07)
0.3V/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
Digital Input / Output
Digital Type (main connector)
Output: 74LS374
Input: 74S244
Configuration 4 bits as input, 4 bits as output
Number of channels 8
Output High 2.4 volts min @
−
2.6 mA
Output Low 0.5 volts max @ 24 mA
Input High 2.0 volts min, 7 volts absolute max
Input Low 0.8 volts max,
−
0.5 volts absolute min
Digital Type (Digital I/O connector) 82C55
Configuration 2 banks of 8, 2 banks of 4, programmable by bank as input or output
Number of channels 24 I/O
Output High 3.0 volts min @
−
2.5 mA
Output Low 0.4 volts max @ 2.5 mA
Input High 2.0 volts min, 5.5 volts absolute max
Input Low 0.8 volts max,
−
0.5 volts absolute min
Interrupts 2 - 7, software selectable
Interrupt enable Programmable
Interrupt sources A/D End-of-conversion, DMA terminal count
29