User`s manual
Analog Outputs:
Resolution 16 bits
Number of channels 2
D/A type AD669BR
Voltage Ranges ±10V, ±5V, 0 to 5V, 0 to 10V. Independently-selectable between
channels.
Offset error ±100uV max, all ranges (calibrated)
Gain error ±30.5 ppm max (calibrated)
Differential nonlinearity ±1 LSB max
Integral nonlinearity ±1 LSB max
Monotonicity 16 bits at 25 DegC
D/A Gain drift ±15 ppm/°C max
D/A Bipolar offset drift ±5 ppm/°C max
D/A Unipolar offset drift ±3 ppm/°C max
Output Coupling DC
Amp Output Impedance 0.1 Ohms max
Data transfer From 512 sample FIFO via REPOUTSW or programmed I/O.
Data interleaved for dual analog output mode.
Throughput 100 kHz, 2 channels simultaneous.
Settling time (20V step to .0008%) 13 µs max
Settling time (10V step to .0008%) 6 µs typ
Slew Rate 10V Ranges: 6V/µs
5V Ranges: 3V/µs
D/A trigger modes software or external gate.
Current Drive ±5 mA min
Output short-circuit duration 25 mA indefinite
Miscellaneous Double buffered input latches
Update DACs individually or simultaneously (software-selectable)
Power up and reset, all DAC's cleared to 0 volts
Digital Input / Output
Digital Type 82C55 emulation
Output: 74LS244
Input: 74LS373
Configuration 2 banks of 8, 2 banks of 4, programmable by bank as input or
output
Number of channels 24 I/O
Output High 2.4 volts @
−
15mA min
Output Low 0.5 volts @ 64 mA min
Input High 2.0 volts min, 7 volts absolute max
Input Low 0.8 volts max,
−
0.5 volts absolute min
Power-up / reset state Input mode (high impedance)
Interrupts INTA# - mapped to IRQn via PCI BIOS at boot-time
Interrupt enable Programmable
Interrupt sources External (rising TTL edge event), Residual counter, A/D
End-of-conversion, A/D End-of-channel-scan, A/D
FIFO-not-empty, A/D FIFO-half-full, D/A FIFO-not-empty, D/A
FIFO-half-full
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