2.5.2
Mode 2 - +/-10V Single-Ended Bipolar
This in put mode pro vides for 16 chan nels of +-10V in put range. The cor rect jump er ing
for this mode is shown be low :
Each chan nel's in put is con nected to J3. Ref er to sec tion 2.6 for in put pin defi ni tions.
When used in mode 2, two's com ple ment bi nary val ues from 8000H to 7FFFH are read
from the con verter ac cord ing to the fol low ing ta ble.
Full Scale Range :
+/-10.0V
Least Sig nifi cant bit :
305uV (16- Bit)
or 4.88mV (12- Bit)
+Full Scale (FS- 1LSB) :
9.999695V (16- Bit)
or 9.99512 (12- Bit) 7FFFH
Mid scale :
0.0V 0000H
One LSB be low Mid scale :
-305uV (16Bit)
or -4.88mV (12- Bit) FFFFH
-Full Scale :
-10.0V 8000H
NOTE: On the PCM-A/D-12 the lower nib ble of all hex val ues will be 0.
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PCM-A/D-12/16 OPERATIONS MANUAL
Page 2-5
WinSystems - "The Embedded Systems Authority"
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J1
J7
J5
J4
+/-10 Volt - Single Ended Bipolar Mode
