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SPECIFICATIONS

 ADC-808 ANALOG INPUT BOARD

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0-10 VOLT INPUTS:

    Input voltage range
    Max. input voltage
    Input resistance

 		SPEC.

0 to 10V
+/- 100V
118K ohm

0-20 mA INPUTS:

    Input current range
    Max. input current
    Input resistance

 		SPEC.

0 to 20mA
+/- 50mA
150 ohm

ADC:

    Type
    Resolution
    No. of channels (SE/PD/DF)
    Total unadjusted error
    Conversion time max.
    Throughtput min.

 		SPEC.

successive approximation
8 bit
8/7/4
+/- 1 LSB
40us
20K per sec.


LEGEND

SE - Single Ended input
PD - Pseudo Differential input
DF - Differential input (Note, all 8 inputs are DF with /S option)

ENVIRONMENTAL:

    Operating Temperature
    Humidity
    Size
    -

    Connector
    Cable

    Supply voltage
    -
    -

    Supply current

 		SPEC.

0 to 70 degrees C.
85% max
9.5 x 4.5 x 5/8 inch
242 x 102 x 15 mm

26 pin IDC
25 way ribbon

5V DC +/- 5%
or 9V AC
or 12V DC

250mA max.

INPUT CIRCUIT CONFIGURATION:

The input circuit may be configured for various signal conditioning arrangements. The output voltage (+OUT) must range between 0 and Vref. Where Vref may be adjusted by VR1 for 2.7 to 3.3 Volts.