參數(shù)資料
型號(hào)： MB89F201-PSH
廠商： FUJITSU LTD
元件分類： 微控制器/微處理器
英文描述： 8-BIT, FLASH, 12.5 MHz, MICROCONTROLLER, PDIP32
封裝： PLASTIC, SHDIP-32
文件頁(yè)數(shù)： 22/39頁(yè)
文件大小： 557K
代理商： MB89F201-PSH
MB89201 Series
29
5. A/D Converter
(1) A/D Converter Electrical Characteristics
(VSS
= 0.0 V, Ta = 40 °C to +85 °C)
* : For information on tinst, see “ (4) Instruction Cycle” in “4. AC Characteristics.”
(2) A/D Converter Glossary
Resolution
Analog changes that are identifiable with the A/D converter
When the number of bits is 10, analog voltage can be divided into 210
= 1024.
Linearity error (unit : LSB)
The deviation of the straight line connecting the zero transition point (“00 0000 0000”
“00 0000 0001”) with
the full-scale transition point (“11 1111 1111”
“11 1111 1110”) from actual conversion characteristics
Differential linearity error (unit : LSB)
The deviation of input voltage needed to change the output code by 1 LSB from the theoretical value
Total error (unit : LSB)
The difference between theoretical and actual conversion values
Parameter
Symbol
Value
Unit
Remarks
Min.
Typ.
Max.
Resolution
10
bit
Total error
5.0
+5.0
LSB
Linearity error
3.0
+3.0
LSB
Differential linearity error
2.5
+2.5
LSB
Zero transition voltage
VOT
VSS
3.5 LSB
VSS
+ 0.5 LSB
VSS
+ 4.5 LSB
V
Full-scale transition voltage
VFST
VCC
6.5 LSB
VCC
1.5 LSB
VCC
+ 2.0 LSB
V
A/D mode conversion time
38 tINST*
s
Analog port input current
IAIN
10
A
Analog input voltage range
0
VCC
V
Power supply voltage for A/D
accuracy assurance
VCC
4.5
5.5
V
MB89201 / 202 /
MB89V201/
F201/F202
3.5
5.5
V
MB89N201 /
N202
3FF
3FE
3FD
004
003
002
001
AVSS
VCC
VOT
0.5 LSB
1 LSB
Theoretical I/O characteristics
Analog input
Digital
output
1.5 LSB
VFST
3FF
3FE
3FD
004
003
002
001
AVSS
VCC
VNT
{1 LSB
× N + 0.5 LSB}
Actual conversion
value
Actual conversion
value
Theoretical value
Total error
Analog input
Digital
output
1 LSB
= V
FST
VOT
1022
(V)
Total error of digital output N
= V
NT
{1 LSB × N + 0.5 LSB}
1 LSB
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