ADM1027
表II中。 10位A / D输出代码与V
IN
输入电压
12 V
IN
<0.0156
0.0156 – 0.0312
0.0312 – 0.0469
0.0469 – 0.0625
0.0625 – 0.0781
0.0781 – 0.0937
0.0937 – 0.1093
0.1093 – 0.1250
0.1250 – 0.1406
5 V
IN
<0.0065
0.0065 – 0.0130
0.0130 – 0.0195
0.0195 – 0.0260
0.0260 – 0.0325
0.0325 – 0.0390
0.0390 – 0.0455
0.0455 – 0.0521
0.0521 – 0.0586
V
CC
(3.3 V
IN
)*
<0.0042
0.0042 – 0.0085
0.0085 – 0.0128
0.0128 – 0.0171
0.0171 – 0.0214
0.0214 – 0.0257
0.0257 – 0.0300
0.0300 – 0.0343
0.0343 – 0.0386
2.5 V
IN
<0.0032
0.0032 – 0.0065
0.0065 – 0.0097
0.0097 – 0.0130
0.0130 – 0.0162
0.0162 – 0.0195
0.0195 – 0.0227
0.0227 – 0.0260
0.0260 – 0.0292
V
CCPIN
<0.00293
0.0293 – 0.0058
0.0058 – 0.0087
0.0087 – 0.0117
0.0117 – 0.0146
0.0146 – 0.0175
0.0175 – 0.0205
0.0205 – 0.0234
0.0234 – 0.0263
十进制
0
1
2
3
4
5
6
7
8
A / D输出
二进制（10位）
00000000 00
00000000 01
00000000 10
00000000 11
00000001 00
00000001 01
00000001 10
00000001 11
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比例）
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比例）
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比例）
11000000 00
15.8281 – 15.8437
15.8437 – 15.8593
15.8593 – 15.8750
15.8750 – 15.8906
15.8906 – 15.9062
15.9062 – 15.9218
15.9218 – 15.9375
15.9375 – 15.9531
15.9531 – 15.9687
15.9687 – 15.9843
>15.9843
6.5983 – 6.6048
6.6048 – 6.6113
6.6113 – 6.6178
6.6178 – 6.6244
6.6244 – 6.6309
6.6309 – 6.6374
6.6374 – 6.4390
6.6439 – 6.6504
6.6504 – 6.6569
6.6569 – 6.6634
>6.6634
4.3527 – 4.3570
4.3570 – 4.3613
4.3613 – 4.3656
4.3656 – 4.3699
4.3699 – 4.3742
4.3742 – 4.3785
4.3785 – 4.3828
4.3828 – 4.3871
4.3871 – 4.3914
4.3914 – 4.3957
>4.3957
3.2942 – 3.2974
3.2974 – 3.3007
3.3007 – 3.3039
3.3039 – 3.3072
3.3072 – 3.3104
3.3104 – 3.3137
3.3137 – 3.3169
3.3169 – 3.3202
3.3202 – 3.3234
3.3234 – 3.3267
>3.3267
2.9677 – 2.9707
2.9707 – 2.9736
2.9736 – 2.9765
2.9765 – 2.9794
2.9794 – 2.9824
2.9824 – 2.9853
2.9853 – 2.9882
2.9882 – 2.9912
2.9912 – 2.9941
2.9941 – 2.9970
>2.9970
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
11111101 01
11111101 10
11111101 11
11111110 00
11111110 01
11111110 10
11111110 11
11111111 00
11111111 01
11111111 10
11111111 11
*本
V
CC
列出的输出代码假定V
CC
为3.3 V.如果V
CC
输入被重新配置为5 V工作电压（通过设置配置位7寄存器1 ） ，则V
CC
输出代码相同的5伏
IN
柱。
–12–
REV 。一
