參數(shù)資料
型號： MB90246APFV
元件分類： 微控制器/微處理器
英文描述： 16-BIT, 16 MHz, MICROCONTROLLER, PQFP100
封裝： PLASTIC, LQFP-100
文件頁數(shù)： 73/100頁
文件大?。?/td> 1959K
代理商： MB90246APFV
74
MB90246A Series
5. A/D Converter Electrical Characteristics
(AVCC = VCC = 4.5 V to 5.5 V, AVSS = VSS = 0.0 V, TA = –30
°C to +70°C)
*1: Glossary for conversion time
*2: IAS and IRS signify currents when the A/D converter does not operate and when the CPU is out of service,
respectively.
Parameter
Symbol
Pin name
Condition
Value
Unit
Min.
Typ.
Max.
Resolution
—
8, 10
10
bit
Total error
—
±3.0
LSB
Linearity error
—
±2.0
LSB
Differential linearity error
—
±1.9
LSB
Zero transition voltage
VOT
AN0 to AN7
AVRL
– 1.0 LSB
AVRL
+ 1.0 LSB
AVRL
+ 3.0 LSB
mV
Full-scale transition
voltage
VFST
AN0 to AN7
AVRH
– 4.0 LSB
AVRH
– 1.0 LSB
AVRH
+ 1.0 LSB
mV
Conversion time*1
——
Use the A/D data
register for setup.
VCC = 5.0 V
±10%
1.25
—
s
Sampling
period
—
560
—
ns
Conversion
period a
—
125
—
ns
Conversion
period b
—
125
—
ns
Conversion
period c
—
250
—
ns
Analog port input current IAIN
AN0 to AN7
—
—0.1
3
A
Analog input voltage
VAIN
AN0 to AN7
AVRL
—
AVRH
V
Reference voltage
—
AVRH
AVRH – AVRL
2.7
AVRL
+ 2.7
—AVCC
V
—
AVRL
0
—
AVRH
– 2.7
V
Power supply current
IA
AVCC
—
15
20
mA
IAS*2
AVCC
Supply current when
the CPU stops
(AVCC = 5.5 V)
——
5
A
Reference voltage
supply current
IR
AVRH
—
0.7
2
A
IRS*2
AVRH
Supply current when
the CPU stops
(AVCC = 5.5 V)
——
5
A
Offset between channels
—
AN0 to AN7
—
4
LSB
≥
Conversion time
Sampling period Conversion period a Conversion period b Conversion period c
2 tCYC*
1 tCYC*
End of conversion
A/D activation
ADCS bit 1: Sets STAR
* : For tCYC, see s Electrical Characteristics, 4, “AC Characteristics,” Cycle time (machine cycle) in
paragraph (4), “Clock output timing.”
ADCS bit 6: INT “H”
(Interrupt occurred to CPU)
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