REV. A
12
ADM1027
Table II. 10-Bit A/D Output Code vs. V
IN
Input Voltage
A/D Output
12 V
IN
5 V
IN
V
CC
(3.3 V
IN
)*
2.5 V
IN
V
CCPIN
Decimal
Binary (10 Bits)
<0.0156
<0.0065
<0.0042
<0.0032
<0.00293
0
00000000 00
0.0156 0.0312
0.0065 0.0130    0.0042 0.0085   0.0032 0.0065    0.0293 0.0058   1
00000000 01
0.0312 0.0469
0.0130 0.0195    0.0085 0.0128   0.0065 0.0097    0.0058 0.0087   2
00000000 10
0.0469 0.0625
0.0195 0.0260    0.0128 0.0171   0.0097 0.0130    0.0087 0.0117   3
00000000 11
0.0625 0.0781
0.0260 0.0325    0.0171 0.0214   0.0130 0.0162    0.0117 0.0146   4
00000001 00
0.0781 0.0937
0.0325 0.0390    0.0214 0.0257   0.0162 0.0195    0.0146 0.0175   5
00000001 01
0.0937 0.1093
0.0390 0.0455    0.0257 0.0300   0.0195 0.0227    0.0175 0.0205   6
00000001 10
0.1093 0.1250
0.0455 0.0521    0.0300 0.0343   0.0227 0.0260    0.0205 0.0234   7
00000001 11
0.1250 0.1406
0.0521 0.0586    0.0343 0.0386   0.0260 0.0292    0.0234 0.0263   8
00000010 00
4.0000 4.0156
1.6675 1.6740    1.1000 1.1042   0.8325 0.8357    0.7500 0.7529   256 (1/4 scale)   01000000 00
8.0000 8.0156
3.3300 3.3415    2.2000 2.2042   1.6650 1.6682    1.5000 1.5029   512 (1/2 scale)   10000000 00
12.0000 12.0156   5.0025 5.0090    3.3000 3.3042   2.4975 2.5007    2.2500 2.2529   768 (3/4 scale)    11000000 00
15.8281 15.8437   6.5983 6.6048    4.3527 4.3570   3.2942 3.2974    2.9677 2.9707   1013
11111101 01
15.8437 15.8593   6.6048 6.6113    4.3570 4.3613   3.2974 3.3007    2.9707 2.9736   1014
11111101 10
15.8593 15.8750   6.6113 6.6178    4.3613 4.3656   3.3007 3.3039    2.9736 2.9765   1015
11111101 11
15.8750 15.8906   6.6178 6.6244    4.3656 4.3699   3.3039 3.3072    2.9765 2.9794   1016
11111110 00
15.8906 15.9062   6.6244 6.6309    4.3699 4.3742   3.3072 3.3104    2.9794 2.9824   1017
11111110 01
15.9062 15.9218   6.6309 6.6374    4.3742 4.3785   3.3104 3.3137    2.9824 2.9853   1018
11111110 10
15.9218 15.9375   6.6374 6.4390    4.3785 4.3828   3.3137 3.3169    2.9853 2.9882   1019
11111110 11
15.9375 15.9531   6.6439 6.6504    4.3828 4.3871   3.3169 3.3202    2.9882 2.9912   1020
11111111 00
15.9531 15.9687   6.6504 6.6569    4.3871 4.3914   3.3202 3.3234    2.9912 2.9941   1021
11111111 01
15.9687 15.9843   6.6569 6.6634    4.3914 4.3957   3.3234 3.3267    2.9941 2.9970   1022
11111111 10
>15.9843
>6.6634
>4.3957
>3.3267
>2.9970
1023
11111111 11
*The V
CC
output codes listed assume that V
CC
is 3.3 V. If V
CC
input is reconfigured for 5 V operation (by setting Bit 7 of Configuration Register 1), then the V
CC
output codes are the same as for the 5 V
IN
column.
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