Diamond Systems 16-Channel 12-Bit Analog Output PC/104 Module Specifications, Miscellaneous

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13.SPECIFICATIONS

Analog Outputs

 

 

No. of outputs

16 voltage outputs

Resolution

12 bits (1 part in 4096)

Fixed output ranges

0 - 5V, 0 - 10V unipolar, ±5V, ±10V bipolar

Adjustable output range

Preset to 2.5V for 0 - 2.5V, ±2.5V output ranges

 

Can be adjusted anywhere between approx. 1V and 2.5V

External reference

0V min, 10V max

Settling time

6μs max to ±.01%

Accuracy

±1LSB

 

Integral nonlinearity

±1LSB max

 

Differential nonlinearity

-1LSB max, guaranteed monotonic

Output current

±5mA max per channel

Minimum output load

2KΩ

 

Update method

Simultaneous, software command or external trigger

Reset

All DACs reset to mid-scale

 

(0V for bipolar ranges, 1/2 full-scale for unipolar ranges)

Digital I/O

 

 

No. of lines

24

 

Compatibility

CMOS / TTL

 

Input voltage

Logic 0:

-0.5V min, 0.8V max

 

Logic 1:

2.0V min, 5.5V max

Output voltage

Logic 0:

0.0V min, 0.4V max

 

Logic 1:

3.0V min, Vcc - 0.4V max

Output current

±2.5mA max per line

Pull-up resistor

10KΩ resistor on each I/O line

External trigger

TTL / CMOS compatible, 10KΩ pull-up resistor, active low edge

Reset

All digital output lines are set to 0

Miscellaneous

 

 

Power supply (Vcc)

+5VDC ±10%

 

Current requirement

430mA, all outputs unloaded

Operating temperature

-40 to +85oC

 

Operating humidity

5 to 95% non-condensing

Size

3.55” x 3.775”

 

Data bus

8 bits

(16-bit header can be installed for

 

 

pass-through function but is not used on board)

Copyright 2001 Diamond Systems Corp.

Ruby-MM-1612 User Manual V1.1 P. 19

Page 18 Page 20
Image 19
Page 18 Page 20
Contents
RUBY-MM-1612 Table of Contents Description O Header Pinout Signal Name DefinitionBase Address Configuration Header J5 Position Hex Decimal Board ConfigurationBase Address Full-Scale Voltage Analog Output Range ConfigurationAdjustable Reference Voltage On-Board Reference Full-Scale Voltage SelectionAnalog Output Configuration Header J4 Range RUBY-MM-1612 Board Drawing Ruby-MM-1612 I/O Map Reset informationBase + Write Function Read Function Base + 1, Write DAC MSB register Base + 0 or 1, Read Update DACsRegister Definitions Base + 0, Write DAC LSB registerBase + 3, Write External trigger register Definitions Configuration Register82C55 Digital I/O Chip Operation 82C55 Register MapFull Scale 1LSB Analog Output Ranges and ResolutionFull Scale 10. D/A Code Computation LSB = 1/2048 x Full-Scale Voltage Offset Binary Coding for bipolar output rangesOutput Code Explanation Output Voltage for ±5V Range Hardware Update Command HOW to Generate AN Analog OutputTo generate an analog output on one or more channels Two channel output Examples Single channel outputCalibration Procedure Miscellaneous SpecificationsPinouts FeaturesOrdering Information Description82C55A Pin Description Functional DiagramGroup a and Group B Controls 82C55A Functional DescriptionData Bus Buffer Read/Write and Control LogicPorts A, B, and C Mode Selection82C55A Operational DescriptionInte Flip-Flop Definition Single Bit Set/Reset Feature FigureOperating Modes Interrupt Control FunctionsMode 0 Basic Output Mode 0 Basic InputMode 0 Configurations Control Word #4 Control Word #8 STB Strobe Input Input Control Signal DefinitionIBF Input Buffer Full F/F Intr Interrupt Request Output Control Signal DefinitionInput Operations Mode 2 Strobed Bi-Directional Bus I/OBi-Directional Bus I/O Control Signal Definition Output OperationsMode Control Word Mode 2 Combinations Current Drive Capability Special Mode Combination ConsiderationsReading Port C Status Figures 15 Applications of the 82C55A