參數資料
型號: MB90F428GCPF
廠商: FUJITSU LTD
元件分類: 微控制器/微處理器
英文描述: 16-Bit Original Microcontroller
中文描述: 16-BIT, FLASH, 16 MHz, MICROCONTROLLER, PQFP100
封裝: 14 X 20 MM, 3.35 MM HEIGHT, 0.65 MM PITCH, PLASTIC, QFP-100
文件頁數: 77/84頁
文件大小: 501K
代理商: MB90F428GCPF
MB90420G/425G Series
77
(2) Definition of terms
Resolution
Indicates the ability of the A/D converter to discriminate in analog conversion.
10-bit resolution indicates that analog voltage can be resolved into 2
10
=
1024 levels.
Total error
Expresses the difference between actual and logical values. It is the total value of errors that can come from
offset error, gain error, non-linearity error and noise.
Linearity error
Expresses the deviation between actual conversion characteristics and a straight line connecting the device’s
zero transition point (00 0000 0000
←→
00 0000 0001) and full scale transition point (11 1111 1110
←→
11
1111 1111) .
Differential linearity error
Expresses the deviation of the logical value of input voltage required to create a variation of 1 SLB in output
code.
11 1111 1111
11 1111 1110
11 1111 1101
11 1111 1100
00 0000 0011
00 0000 0010
00 0000 0001
00 0000 0000
.
.
.
.
.
.
.
.
.
.
.
.
.
1 LSB
×
N
+
V
OT
V
OT
V
NT
V
FST
V
(N
+
1)T
D
Linearity error
Analog input
1 LSB =
Linearity error =
Differential linearity error =
V
FST
V
OT
1022
[LSB]
[LSB]
V
NT
(1 LSB
×
N
+
V
OT
)
1 LSB
1 LSB
V
(N
+
1) T
V
NT
1
10-bit A/D converter conversion characteristics
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