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參數(shù)資料
| 型號： | MB89P627R |
| 廠商： | Fujitsu Limited |
| 英文描述： | 8-Bit Proprietary Microcontroller(8位專用微控制器) |
| 中文描述： | 8位微控制器專利（8位專用微控制器） |
| 文件頁數(shù)： | 43/62頁 |
| 文件大?。?/td> | 1058K |
| 代理商： | MB89P627R |
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43
MB89620R Series
5. A/D Converter Electrical Characteristics
(AV
CC
= V
CC
= +3.5 V to +6.0 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.”
6. A/D Converter Glossary
Resolution
Analog changes that are identifiable with the A/D converter.
When the number of bits is 8, analog voltage can be divided into 2
8
= 256.
Linearity error (unit: LSB)
The deviation of the straight line connecting the zero transition point (“0000 0000”
“0000 0001”) with the
full-scale transition point (“1111 1111”
“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 name Condition
Unit
Remarks
Min.
Typ.
Max.
Resolution
—
—
—
—
—
8
bit
Total error
AVR = AV
CC
—
—
±
1.5
±
1.0
±
0.9
LSB
Linearity error
—
—
LSB
Differential linearity error
—
—
LSB
Zero transition voltage
V
OT
AV
SS
– 1.0 LSB AV
SS
+ 0.5 LSB AV
SS
+ 2.0 LSB
mV
Full-scale transition
voltage
V
FST
AVR – 3.0 LSB AVR – 1.5 LSB
AVR
mV
Interchannel disparity
—
—
—
0.5
LSB
A/D mode conversion
time
—
—
44 t
inst
*
—
μ
s
Sense mode conversion
time
—
12 t
inst
*
—
μ
s
Analog port input current
I
AIN
AN0 to
AN7
—
—
10
μ
A
V
Analog input voltage
—
0.0
—
AVR
Reference voltage
—
AVR
0.0
—
AV
CC
V
Reference voltage
supply current
I
R
AVR = 5.0 V,
when
starting A/D
conversion
—
100
μ
A
I
RH
AVR = 5.0 V,
when
stopping A/D
conversion
—
—
1
μ
A
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