參數(shù)資料
型號(hào): MB89935B
廠商: Fujitsu Limited
英文描述: Quadruple 2-Line To 1-Line Data Selectors/Multiplexers 16-CDIP -55 to 125
中文描述: 8位微控制器專(zhuān)有
文件頁(yè)數(shù): 31/46頁(yè)
文件大?。?/td> 633K
代理商: MB89935B
MB89930A Series
31
5.
A/D Converter
(1) A/D Converter Electrical Characteristics
(V
CC
=
5.0 V
±
10%, AV
SS
=
V
SS
=
0.0 V, Ta
=
40
°
C to
+
85
°
C)
Value
* : For information on t
inst
, 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 2
10
=
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
Unit
Remarks
Min.
5.0
3.0
2.5
Typ.
Max.
Resolution
10
+
5.0
+
3.0
+
2.5
bit
Total error
LSB
Linearity error
LSB
Differential linearity error
LSB
Zero transition voltage
V
OT
AV
SS
3.5 LSB AV
SS
+
0.5 LSB AV
SS
+
4.5 LSB
V
CC
6.5 LSB
V
CC
1.5 LSB
0
V
Full-scale transition voltage
V
FST
V
CC
+
2.0 LSB
38 t
INST
*
V
μ
s
μ
A
V
A/D mode conversion time
Analog port input current
I
AIN
10
Analog input voltage range
V
CC
3FF
3FE
3FD
004
003
002
001
AV
SS
V
CC
V
OT
0.5 LSB
1 LSB
Theoretical I/O characteristics
Analog input
D
1.5 LSB
V
FST
3FF
3FE
3FD
004
003
002
001
AV
SS
V
CC
V
{1 LSB
×
N
+
0.5 LSB}
Actual conversion
value
Actual conversion
value
Theoretical value
Total error
Analog input
D
1 LSB
=
V
FST
V
OT
1022
(V)
Total error of digital output N
=
V
NT
{1 LSB
×
N
+
0.5 LSB}
1 LSB
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