参数资料
型号: MB91133PMT2
厂商: Fujitsu Limited
元件分类: 微控制器
英文描述: 32-Bit RISC Microcontroller
中文描述: 32位RISC微控制器
文件页数: 103/123页
文件大小: 1362K
代理商: MB91133PMT2
MB91133/MB91F133
103
Definition of A/D Converter Terms
Resolution :
Analog changes that can be identified by A/D converter
Straight-line tolerance :
Difference between the straight line linking the zero transition point (00 0000 0000
←→
00 0000 0001) to the
full-scale transition point (11 1111 1110
←→
11 1111 1111) and actual conversion characteristics.
Differential straight-line tolerance :
Difference compared to the ideal input voltage value required to change the output code 1 LSB
Total tolerance :
Indicates the difference between the actual and theoretical values and includes zero transition tolerance, full-
scale transition tolerance, and straight-line tolerance.
(Continued)
3FF
3FE
3FD
004
003
002
001
AV
SS
AVRH
Analog input
0.5 LSB
{
1 LSB ( N
1 )
+
0.5 LSB
}
1.5 LSB
Ideal characteristics
Actual conversion
characteristics
Actual conversion
characteristics
D
V
NT
(Actual
measured value)
Total tolerance
Total tolerance of digital output N
=
V
NT
{1 LSB
×
(N
1)
+
0.5 LSB’}
1 LSB
1 LSB (Ideal value)
=
AVRH
AV
SS
1024
[V]
V
OT
(Ideal value)
=
AV
SS
+
0.5 LSB’
V
NT
: Voltage of digital output transferred from (N
+
1) to N
[V]
V
FST
(Ideal value)
=
AVRH
1.5 LSB’ [V]
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