参数资料
型号: MB95F156MPMC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, FLASH, 16.25 MHz, MICROCONTROLLER, PQFP52
封装: 10 X 10 MM, 1.70 MM HEIGHT, 0.65 MM PITCH, PLASTIC, LFQFP-52
文件页数: 50/68页
文件大小: 2246K
代理商: MB95F156MPMC
MB95150M Series
54
DS07-12613-4E
(3) Definition of A/D Converter Terms
Resolution
The level of analog variation that can be distinguished by the A/D converter.
When the number of bits is 10, analog voltage can be divided into 210
= 1024.
Linearity error (unit : LSB)
The deviation between the value along a straight line connecting the zero transition point
(“00 0000 0000”
← → “00 0000 0001”) of a device and the full-scale transition point
(“11 1111 1111”
← → “11 1111 1110”) compared with the actual conversion values obtained.
Differential linear error (Unit : LSB)
Deviation of input voltage, which is required for changing output code by 1 LSB, from an ideal value.
Total error (unit: LSB)
Difference between actual and theoretical values, caused by a zero transition error, full-scale transition error,
linearity error, quantum error, and noise.
(Continued)
VFST
1.5 LSB
3FFH
3FEH
3FDH
004H
003H
002H
001H
3FFH
3FEH
3FDH
004H
003H
002H
001H
1 LSB
0.5 LSB
VOT
VSS
VCC
VSS
VNT
VCC
{1 LSB
× (N 1) + 0.5 LSB}
1 LSB
=
VCC
Vss
1024
(V)
Total error of
digital output N
VNT
{1 LSB × (N 1) + 0.5 LSB}
1 LSB
Ideal I/O characteristics
Total error
Digital
output
Analog input
D
igit
a
lou
tp
ut
[LSB]
Actual conversion
characteristic
Actual conversion
characteristic
Ideal characteristics
N
: A/D converter digital output value
VNT : A voltage at which digital output transits from (N
1) H to NH
=
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