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PAS 9710/AO : 8 Channel 14 Bit VME
Analog Output Card
Links to printable product info:
Precision Analog System's 9710/AO card provides eight analog output
channels with 14 bit resolution on a 6U VME format. Each channel
has a +/- 10 Volt output range with 5 mAmps of output current.
Settling time is typically 2 uSec for a zero to full scale change
of the output voltage. By using 14 bit Digital to Analog Converters
(DACs) this card provides four time the resolution of cards designed
with 12 bit DACs. This design approach eliminates the requirements
for having several jumper selectable output ranges since this 14
bit card has the same output resolution with the +/- 10 Volt range
as a 12 bit card with a +/- 2.5 Volt output range.
Each DAC contains a Channel Data Register and a DAC Register.
This allows all Channel Data Registers to be loaded, and then all
the DACs to be updated simultaneously. Normally the output
of a DAC will be updated when the appropriate Channel Data Register
is written unless the simultaneous update feature is enabled.
All channels have gain and offset adjustments that are set at the
factory to +/- 1 LSB, and remaining error source is the linearity
error of the DACs, which is +/- 1 LSB over temperature.
The PAS 9710/AO card's address is jumper selectable and uses a 256
byte block of memory that can be mapped anywhere in the full 32
bits of VME space. The card can be configured to be a A32,
A24 or A16 compatible with pluggable jumpers. Individual output
channels can be written with 16 bit writes to a Channel's Data Register,
or two sequential channels can be written simultaneously with a
single 32 bit write. The output data is 2's complement and
right justified. A control register and board identifier PROM
are also provided.
Key Features
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8 Channels of +/- 10 Volt Analog Outputs
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14 bit resolution, 14 bit linear Digital to Analog Converter (DAC) per channel
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Output current of +/- 5 mAmps per channel, Output Impedance of 0.1 Ohm
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Settling time of 2 uSec for full scale voltage step
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Simultaneous DAC update feature is program selectable
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VME access A32, A24, A16, D32, D16 slave
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Sysfail and board access LEDs, board identifier PROM
Contact us for current pricing:
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Model: PAS 9710/AO
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