参数资料
型号: MB89PV160-101-PF
厂商: FUJITSU LTD
元件分类: 微控制器/微处理器
英文描述: 8-BIT, 4.2 MHz, MICROCONTROLLER, CQFP80
封装: CERAMIC, MQFP-80
文件页数: 39/56页
文件大小: 812K
代理商: MB89PV160-101-PF
MB89160L Series
44
(1) A/D Glossary
Resolution
Analog changes that are identifiable with the A/D converter.
When the number of bits is 8, analog voltage can be divided into 28=256.
Linearity error (unit: LSB)
The deviation of the straight line connecting the zero transition point (“0000 0000”
“0000 0001”) with the
full-scale transition point (“1111 1111”
“1111 1110”) from actual conversion characteristics
Differential linearity error (unit: LSB)
The deviation of input voltage needed to change the output code by 1 LSB from the theoretical value
Total error (unit: LSB)
The difference between theoretical and actual conversion values
VOT
Analog input
Linearity error =
Actual conversion value
1 LSB =
256
Digital output
AVR
Theoretical conversion value
(1 LSB
× N + VOT)
VNT
VFST
V(N + 1)T
1
1 LSB
VNT
(1 LSB × N + VOT)
Defferential linearity error =
1 LSB
V(N+1)T
VNT
Total error =
1 LSB
VNT
(1 LSB × N + 1 LSB)
Linearity error
1111 1111
1111 1110
0000
0010
0000
0001
0000
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