參數(shù)資料
型號(hào): MB89PV680
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): 32/43頁
文件大?。?/td> 697K
代理商: MB89PV680
32
MB89680 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.”
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 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
AVR = AV
CC
= 5.0 V
8
bit
Total error
AVR = AV
CC
±
1.5
±
1.0
LSB
Linearity error
LSB
Differential linearity
error
±
0.9
LSB
Zero transition
voltage
V
0T
AVss
–1.0 LSB
AVss
+0.5 LSB
AVss
+2.0 LSB
mV
1 LSB =
AVR/256
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
*
Sense mode
conversion time
12
t
inst
*
Analog port input
current
I
AIN
AN00 to
AN07
10
μ
A
Analog input voltage
AN00 to
AN07
0.0
AVR
V
Reference voltage
AVR
0.0
AV
CC
V
μ
A
μ
A
Reference voltage
supply current
I
R
AVR
AVR = AV
CC
= 5.0 V
100
300
I
RH
AVR
1
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