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A-2
Specifications
Sample Hold Amplifier
Acquisition time
15ms to 0.01%, typ. for full-scale step input
Dynamic
1 bit (2.44mV) @ 2000V/sec sampling error
Reference Voltage Output
Reference
+10.0V (±0.1V)
Tempco
50ppm/˚C max., 30ppm/˚C (optional)
Load current
±2mA max.
Digital I/O
OP1–4 output
0.5V max. @ 8.0mA (current sink)
low voltage
OP1–4 output
2.7V min. @ –0.4mA (current source)
high voltage
IP1–3 input
0.8V max.
low voltage
IP1–3 input
–0.4 max.
low current
IP1–3 input
2.0V min.
high voltage
IP1–3 input
20µA max. @ 2.7V
high current
Interrupt Inputs
Type
Positive (rising) edge triggered
Level
2–7 jumper selectable
Enable
Via INT of CONTROL Register
Interrupts are latched in an internal flip-flop on the DAS-8. The state of
this flip-flop corresponds to the INT bit (STATUS Register). It is cleared
by a write to the CONTROL Register. Service routines should
acknowledge and re-enable interrupt flop.
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