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參數(shù)資料
| 型號(hào)： | MB90P224B |
| 廠商： | Fujitsu Limited |
| 英文描述： | 8-Bit Proprietary Microcontroller(8位專用微控制器) |
| 中文描述： | 8位微控制器專利（8位專用微控制器） |
| 文件頁數(shù)： | 77/105頁 |
| 文件大?。?/td> | 1130K |
| 代理商： | MB90P224B |
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77
MB90220 Series
5. A/D Converter Electrical Characteristics
Single-chip mode MB90223/224/P224B/W224B
: (AV
CC
= V
CC
= +4.5 V to +5.5 V, AV
SS
=V
SS
= 0 V, Ta = –40
°
C to +105
°
C, +4.5 V
≤
AVRH – AVRL
)
MB90P224A/W224A
: (AV
CC
= V
CC
= +4.5 V to +5.5 V, AV
SS
= V
SS
=0 V, Ta = –40
°
C to +85
°
C, +4.5 V
≤
AVRH – AVRL
)
External bus mode
: (AV
CC
= V
CC
= +4.5 V to +5.5 V, AV
SS
= V
SS
=0 V, Ta = –40
°
C to +70
°
C, +4.5 V
≤
AVRH – AVRL)
*1: These standards in this table are for MB90224/P224A/P224B/W224A/W224B.
MB90223: Minimum conversion time is 8.17
μ
s and minimum sampling time is 5
μ
s at t
CYC
= 83.4 ns.
*2: The current value applies to the CPU stop mode with the A/D converter inactive (V
CC
= AV
CC
= AVRH = +5.5 V).
Notes: (1) The error becomes larger as | AVRH – AVRL | becomes smaller.
(2) Use the output impedance of the external circuit for analog input under the following conditions:
External circuit output impedance < approx. 10 k
(Sampling time approx. 3.75
μ
s, t
CYC
= 62.5 ns)
(3) Precision values are standard values applicable to sleep mode.
(4) If V
CC
/AV
CC
or V
SS
/AV
SS
is caused by a noise to drop to below the analog input volgtage, the analog
input current is likely to increase. In such cases, a bypass capacitor or the like should be provided in
the external circuit to suppress the noise.
Parameter
Symbol
Pin
name
Condition
Value
Unit
Remarks
Min.
Typ.
Max.
Resolution
n
—
—
—
—
10
±
3.0
±
2.0
±
1.5
bit
Total error
—
—
—
—
—
LSB
Linearity error
—
—
—
—
—
LSB
Differential linearity error
—
—
—
—
—
LSB
Zero transition voltage
V
0T
AN0 to
AN15
—
AVRL – 1.5 AVRL + 0.5 AVRL + 2.5
LSB
Full-scale transition voltage
V
FST
—
AVRH – 3.5 AVRH – 1.5 AVRH + 0.5
LSB
Conversion time*
1
T
CONV
—
t
CYC
= 62.5 ns
6.125
—
—
μ
s
98 machine
cycles
Sampling period
T
SAMP
—
3.75
—
—
μ
s
60 machine
cycles
Analog port input current
I
AIN
AN0 to
AN15
—
—
—
±
0.1
AVRH
μ
A
V
Analog input voltage
V
AIN
—
AVRL
—
Analog reference voltage
—
AVRH
—
AVRL
—
AV
CC
V
AVRL
—
AV
SS
—
AVRH
V
μ
A
μ
A
Reference voltage supply
current
I
R
AVRH
—
—
200
500
I
RH
—
—
—
5*
2
Variation between channels
—
AN0 to
AN15
—
—
—
4
LSB
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