Measurement Computing CIO-DAS6402/12 User Manual
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Analog Output
Resolution
16 bits
Number of channels
2 Voltage Outputs
D/A type
AD660BN
Voltage Ranges
±2.5, ±5, ±10, 0 to 2.5, 0 to 5, 0 to 10, switch-selectable
Offset error
Adjustable to zero by potentiometer
Gain error
Adjustable to zero by potentiometer
Differential nonlinearity
±1LSB max
Integral nonlinearity
±1LSB max
Monotonicity
Guaranteed monotonic to 15 bits over temperature
Gain drift
±15 ppm/°C max
Bipolar offset drift
±5 ppm/°C max
Unipolar offset drift
±3 ppm/°C max
D/A pacing
Software
D/A trigger modes
N/A
Data transfer
Byte or word update
Throughput
System-dependent (software-paced)
Settling time (20V step to ±½LSB)
12 µs typ, 19 us max
Settling time (10V step to ±½LSB)
6 µs typ, 9 us max
Slew Rate
2.8 V/uS Typical
Current Drive
±5 mA min
Output short-circuit duration
40 mA min Continuous
Output Coupling
DC
Amp Output Impedance (OP-27)
0.1 Ohms max
Miscellaneous
Double buffered output latches
Update DACs individually or simultaneously (jumper selectable)
Power up and reset, all DAC's cleared to 0 volts (switch selects bipolar or
unipolar zero)
Digital Input / Output
Digital Type
Output: 74LS244
Input: 74LS273
Configuration
Compatible: Two dedicated ports, 4 inputs and 4 outputs
Enhanced: Two dedicated ports, 8 inputs and 8 outputs
Output High
2.7 volts @ -0.4 mA min
Output Low
0.4 volts @ 8 mA min
Input High
2.0 volts min, 7 volts absolute max
Input Low
0.8 volts max, - 0.5 volts absolute min
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