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參數(shù)資料
| 型號： | MB89PV480CF-102 |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, 12.5 MHz, MICROCONTROLLER, CQFP64 |
| 封裝： | CERAMIC, MQFP-64 |
| 文件頁數(shù)： | 31/51頁 |
| 文件大?。?/td> | 1061K |
| 代理商： | MB89PV480CF-102 |
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37
MB89480/480L Series
5. A/D Converter Electrical Characteristics
(1) A/D Converter Electrical Characteristics
( AVCC = VCC = 4.5 V ~ 5.5 V for MB89PV480, MB89P485, MB89485,
AVCC = VCC = 2.7 V ~ 3.6 V for MB89P485L, MB89485L,
AVSS = 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
Pin
Value
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
VOT
AVSS – 1.5 LSB AVSS + 0.5 LSB AVSS + 2.5 LSB
LSB
Full-scale transition
voltage
VFST
AVCC – 3.5 LSB AVCC – 1.5 LSB AVCC + 0.5 LSB
LSB
A/D mode conversion time
——
—
60 tinst*
s
Analog port input current
IAIN
AN0 to
AN3
——
10
A
Analog input voltage
VAIN
AVSS
—
AVCC
V
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