参数资料
型号: MB89557APFT-XXX
厂商: FUJITSU LTD
元件分类: 微控制器/微处理器
英文描述: MICROCONTROLLER, PQFP100
封装: 12 X 12 MM, 1.20 MM, 0.40 MM PITCH, PLASTIC, TQFP-100
文件页数: 35/52页
文件大小: 1354K
代理商: MB89557APFT-XXX
MB89550A Series
40
DS07-12550-2E
(10) A/D Converter Glossary
Resolution
The level of analog variation that can be recognized by the A/D converter.
Linearity error (Unit : LSB)
The deviation between the actual conversion characteristics and the line linking the zero transition point (“00 0000
0000”
←→“00 0000 0001”) and the full-scale transition point (“11 1111 1110”←→“11 1111 1111”) .
Differential linearity error (Unit : LSB)
The variation from the theoretical input voltage required to change the output code by 1 LSB.
Total error (Unit : LSB)
The total error is the difference between the actual value and the theoretical value.
(Continued)
VFST
1.5 LSB
1 LSB
0.5 LSB
VOT
AVR
AVSS
3FF
3FE
3FD
004
003
002
001
VNT
(1 LSB
× N +
0.5 LSB)
AVR
AVSS
3FF
3FE
3FD
004
003
002
001
Theoretical I/O characteristics
Analog input
Digital
output
1 LSB
=
VFST
VOT
1022
(V)
Total error
Analog input
Digital
output
Total error for digital output N
=
VNT
{1 LSB × N + 0.5 LSB}
1 LSB
Actual conversion
characteristic
Actual conversion
characteristic
Theoretical
characteristic
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