參數(shù)資料
型號: MB91F355APMT
廠商: FUJITSU LTD
元件分類: 微控制器/微處理器
英文描述: 32-BIT, FLASH, 50 MHz, RISC MICROCONTROLLER, PQFP176
封裝: PLASTIC, LQFP-176
文件頁數(shù): 6/112頁
文件大?。?/td> 1095K
代理商: MB91F355APMT
MB91350A Series
103
Definition of A/D Converter Terms
Resolution
Analog variation that is recognized by an A/D converter.
Linearity error
Zero transition point ( "0000000000” - “0000000001”) and full-scale transition point
Difference between the line connected (“1111111110” - “1111111111”) and actual conversion characteristics.
Differential linear error
Deviation of input voltage, which is required for changing output code by 1 LSB, from an ideal value.
VNT: A voltage at which digital output transitions from (N - 1) to N.
Linear error in digital output N
= VNT {1 LSB’ × (N 1) + {VOT}
1 LSB’
[LSB]
Differential linear error in digital output N
=
V (N + 1) T
VNT
1 LSB’
1 [LSB]
1 LSB
= VFST VOT
1022
[V]
VFST: A voltage at which digital output transitions from (3FE)H to (3FF)H.
3FF
3FE
3FD
004
003
002
001
AVSS
AVRH
{1 LSB' (N
1) + VOT}
N
1
AVSS
AVRH
N
2
N
+ 1
Linearity error
Differential linear error
Digital
output
Digital
output
Actual conversion
characteristic
VFST
(measure-
ment value)
VNT
(measurement value)
Actual conversion
characteristic
Ideal characteristics
VOT (measurement value)
Analog input
Ideal characteristics
Actual conversion
characteristic
V(N+1)T
(measurement
value)
VNT
(measurement value)
Actual conversion characteristic
VOT: A voltage at which digital output transitions from (000)H to (001)H.
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