參數(shù)資料
型號(hào): MB90662A
廠商: Fujitsu Limited
英文描述: 16-Bit Proprietary Microcontroller(16位專用微控制器)
中文描述: 16位微控制器專利(16位專用微控制器)
文件頁(yè)數(shù): 60/83頁(yè)
文件大?。?/td> 820K
代理商: MB90662A
60
MB90660A Series
6. Definitions of A/D Converter Terms
Resolution
: Analog transition observed with an A/D converter.
Analog voltage can be divided in 1024 = 2
10
parts at 10-bit resolution.
: This refers to the difference between actual and logical values. This error is
caused by offset errors, gain errors, non-linearity errors and noise.
: Deviation of the line drawn between the zero transition point (00 0000 0000
00 0000 0001) and the full-scale transition point (11 1111 1110
11 1111
1111) for the device from actual conversion characteristics.
: Deviation from ideal input voltage required to shift output code by one LSB.
Total error
Linearity error
Differential linearity error
Digital output
1111 1111
1111 1110
0000 0001
0000 0000
0000 0010
V
OT
V
NT
V
(N + 1)T
V
FST
(1LSB
×
N + V
OT
)
Linearity error
1LSB =
1022
V
FST
– V
OT
Linearity error =
1LSB
V
NT
– (1LSB
×
N + V
OT
)
(LSB)
11
11
00
00
00
1LSB
V
(N + 1) T
– V
NT
– 1 (LSB)
Differential linearity error =
Analog input
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