參數(shù)資料
型號： MB89490
廠商： Fujitsu Limited
元件分類： 8位微控制器
英文描述： 8-bit Proprietary Microcontroller
中文描述： 8位微控制器專有
文件頁數(shù)： 37/45頁
文件大小： 577K
代理商： MB89490
37
MB89490 Series
5. A/D Converter Electrical Characteristics
(1) A/D Converter Electrical Characteristics
(AV
CC
= V
CC
= 2.7 V ~ 3.6 V,
AV
SS
= V
SS
= 0.0 V, T
A
= –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
Pin
Unit
Remarks
Min.
Typ.
Max.
Resolution
—
—
—
10
—
bit
Total error
—
—
±
3.0
LSB
Linearity error
—
—
±
2.5
LSB
Differential linearity error
—
—
±
1.9
LSB
Zero transition voltage
V
OT
AV
SS
– 1.5 LSB AV
SS
+ 0.5 LSB AV
SS
+ 2.5 LSB
mV
Full-scale transition
voltage
V
FST
AV
CC
– 3.5 LSB AV
CC
– 1.5 LSB AV
CC
- 0.5 LSB
mV
A/D mode conversion time
—
—
—
38 tinst*
μ
s
μ
A
Analog port input current
I
AIN
AN0 to
AN7
—
—
10
Analog input voltage
V
AIN
AV
SS
—
AVR
V
Reference voltage
—
AVR
AV
SS
+ 2.7
—
AV
CC
V
Reference voltage supply
current
I
R
—
200
TBD
μ
A
A/D is
activated
I
RH
—
—
5
μ
A
A/D is
stopped
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