TPMC533 User Manual Issue 1.0.1
Page 90 of 107
DAC
5.2
For unipolar output ranges, the data coding is straight binary.
Description
+5 V
+10 V
+10.8 V
Digital Code
Full Scale Range
+5 V
+10 V
+10.8 V
Least Significant Bit
76.295 μV
152.59 μV
164.79 µV
Full Scale (pos.)
4.999924 V
9.999847 V
10.799835 V
0xFFFF
FSR - 1LSB
4.999847 V
9.999695 V
10.79967 V
0xFFFE
Mi 1LSB
2.500076 V
5.000153 V
5.400165 V
0x8001
Midscale
2.5 V
5 V
5.4 V
0x8000
Midscale – 1LSB
2.499924 V
4.999847 V
5.399835 V
0x7FFF
-FSR + 1LSB
76.295 μV
152.59 μV
164.79 µV
0x0001
Full Scale (neg.)
0 V
0 V
0 V
0x0000
Table 5-3 : DAC Data Coding, Unipolar Output Range
For bipolar output ranges, the data coding is two’s complement.
Description
±5 V
±10 V
±10.8 V
Digital Code
Full Scale Range
±5 V
±10 V
±10.8 V
Least Significant Bit
152.59 μV
305.18 μV
329.59 µV
Full Scale (pos.)
4.999847 V
9.999695 V
10.79967 V
0x7FFF
FSR - 1LSB
4.999695 V
9.99939 V
10.79934 V
0x7FFE
Mi 1LSB
152.59 μV
305.18
μV
329.59 µV
0x0001
Midscale
0 V
0 V
0 V
0x0000
Midscale – 1LSB
-
152.59 μV
-
305.18 μV
-329.59 µV
0xFFFF
-FSR + 1LSB
-4.999847 V
-9.999695 V
-10.79967 V
0x8001
Full Scale (neg.)
-5 V
-10 V
-10.8 V
0x8000
Table 5-4 : DAC Data Coding, Bipolar Output Range