参数资料
型号: MB91F133APBT
厂商: FUJITSU LTD
元件分类: 微控制器/微处理器
英文描述: 32-BIT, FLASH, 33 MHz, RISC MICROCONTROLLER, PBGA144
封装: 12 X 12 MM, 1.45 MM HEIGHT, 0.80 MM PITCH, PLASTIC, FBGA-144
文件页数: 8/116页
文件大小: 2730K
代理商: MB91F133APBT
MB91130 Series
DS07-16308-3E
105
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
AVRL
AVRH
Analog input
0.5 LSB
{1 LSB ( N 1 ) + 0.5 LSB}
1.5 LSB
Ideal characteristics
Actual conversion
characteristics
Actual conversion
characteristics
Digit
a
lo
u
tp
u
t
VNT
(Actual
measured value)
Total tolerance
Total tolerance of digital output N
=
VNT
{1 LSB × (N 1) + 0.5 LSB’}
1 LSB
1 LSB (Ideal value)
=
AVRH
AVRL
1024
[V]
VOT (Ideal value)
= AVRL + 0.5 LSB’
VNT : Voltage of digital output transferred from (N
+ 1) to N
[V]
VFST (Ideal value)
= AVRH 1.5 LSB’ [V]
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相关代理商/技术参数
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