Specification Sheet

MODEL 141 20-BIT A/D for PC/XT/AT
Board Level A/D Converter Systems
 

Other precision data
acquisition products



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Manual:  .rtf    .pdf    .zip
Sample applications
Source code
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TYPE
Delta-sigma (these converters have excellent noise rejection)

MONOTONICITY
20 bits (no missing codes)

DIFFERENTIAL INPUT RANGE
+/-5 volts

COMMON MODE RANGE
+/-6 volts

COMMON MODE REJECTION
-100 dB minimum

RESOLUTION
10 microvolts

LINEARITY
0.005% of full scale *

ACCURACY
0.01% of full scale typical at normal operating temperature *

REPRODUCIBILITY
+/-4 counts or better

INPUT IMPEDANCE
100,000 megohms typical


DATA RATE / SETTLING TIME
CLOCK RATE 224 KHz 895 KHz 3.58 MHz
CUT-OFF FREQUENCY (-3 dB) 0.55 Hz 2.2 Hz 8.7 Hz
DATA RATE 210 Hz 874 Hz 3.50 KHz
SETTLING TIME 2.27 seconds 568 milliseconds 142 milliseconds

ANALOG INPUTS
2 fully differential protected to 120 volts

DIGITAL INPUT
single-bit, contact closure or 5-volt logic compatible

DIGITAL OUTPUTS
4 optically isolated lines protected to 200 volts

TYPICAL POWER CONSUMPTION
+5V . . . . . 15 milliamps
+12V . . . . 15 milliamps
-12V . . . . . 15 milliamps

SIZE
3.9 x 5.25 inches (half card size) 0.6 inches maximum height

PRICE
$330.00 software included
* Premium versions available from the factory at extra cost
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