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參數(shù)資料
| 型號： | MB89PV680CF |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, 8 MHz, MICROCONTROLLER, CQFP100 |
| 封裝： | CERAMIC, MQFP-100 |
| 文件頁數(shù)： | 26/43頁 |
| 文件大?。?/td> | 697K |
| 代理商： | MB89PV680CF |
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32
MB89680 Series
5. A/D Converter Electrical Characteristics
(AVCC = VCC = 3.5 V to 6.0 V, AVSS = VSS = 0.0 V, TA = –40
°C to +85°C)
* : For information on tinst, see “(4) Instruction Cycle.”
6. A/D Converter Glossary
Resolution
Analog changes that are identifiable by the A/D converter
When the number of bits is 8, analog voltage can be divided into 28 = 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
Value
Unit
Remarks
Min.
Typ.
Max.
Resolution
—
AVR = AVCC
= 5.0 V
——
8
bit
Total error
—
AVR = AVCC
——
±1.5
LSB
Linearity error
—
±1.0
LSB
Differential linearity
error
——
—
±0.9
LSB
Zero transition
voltage
V0T
—
AVss
–1.0 LSB
AVss
+0.5 LSB
AVss
+2.0 LSB
mV
1 LSB =
AVR/256
Full-scale transition
voltage
VFST
—
AVR
–3.0 LSB
AVR
–1.5 LSB
AVR
mV
Interchannel
disparity
——
—
0.5
LSB
A/D mode
conversion time
——
—
—44
—
tinst*
Sense mode
conversion time
——
—
12
—
tinst*
Analog port input
current
IAIN
AN00 to
AN07
——
10
A
Analog input voltage
—
AN00 to
AN07
0.0
—
AVR
V
Reference voltage
—
AVR
0.0
—
AVCC
V
Reference voltage
supply current
IR
AVR
AVR = AVCC
= 5.0 V
—
100
300
A
IRH
AVR
—
1
A
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