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參數(shù)資料
| 型號： | MB89P985PFV-201 |
| 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)： | 35/52頁 |
| 文件大小： | 778K |
| 代理商： | MB89P985PFV-201 |
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35
MB89980 Series
5. A/D Converter Electrical Characteristics
(3 MHz, 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
(1) A/D 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
Condition
Unit
Remarks
Mn.
Typ.
Max.
Resolution
—
—
—
—
—
8
bit
Total error
AVR = AV
CC
—
—
±1.5
LSB
Linearity error
—
—
±1.0
LSB
Differential linearity error
—
—
±0.9
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
—
ms
Sense mode conversion
time
—
12 t
inst
—
ms
Analog port input current I
AI
AN0 to
AN3
—
—
10
μ
A
V
Analog input voltage
—
0.0
—
AVR
Reference voltage
—
AVR
2.0
—
AV
CC
V
Reference voltage supply
current
I
R
AVR = 5.0 V,
when A/D
conversion is
activated
—
100
—
μ
A
I
RH
AVR = 5.0 V,
when A/D
conversion is
stopped
—
—
1
μ
A
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