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參數(shù)資料
| 型號： | MB91F191APFF |
| 廠商： | FUJITSU LTD |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 32-bit Proprietary Microcontroller |
| 中文描述： | 32-BIT, FLASH, 20 MHz, RISC MICROCONTROLLER, PQFP120 |
| 封裝： | PLASTIC, LQFP-120 |
| 文件頁數(shù)： | 26/33頁 |
| 文件大?。?/td> | 435K |
| 代理商： | MB91F191APFF |
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MB
91191/192 Series
26
5.
Electrical Characteristics for the A/D Converter
(V
DD
=
3.0 V
+
0.3 V, V
SS
=
AV
SS
=
0 V, T
A
=
20
°
C to
+
70
°
C)
Value
Notes :
The relative error increases as |AV
RH
| becomes smaller.
Ensure that the output impedance of the external circuit connected to the analog input meets the following
condition :
Output impedance of external circuit
<
7 k
(approx.)
If the output impedance of the external circuit is too high, the analog voltage sampling time may be too
short. (Sampling time
=
6.4
μ
s for a 20 MHz machine clock)
Parameter
Symbol
Pin
Name
Condition
Unit Remarks
Min
8.4
AV
SS
1.5
AV
RH
5.5
Typ
AV
SS
+
0.5
AV
RH
1.5
Max
Resolution
10
±
4.0
±
3.5
±
2.0
AV
SS
+
2.5
AV
RH
+
0.5
bit
μ
s
LSB
Conversion time
Total error
V
DD
=
AV
DD
=
3.0 V,
AV
RH
=
3.0 V
Linearity error
LSB
Differential linearity error
LSB
Zero transition error
V
OT
AN-0 to
AN-F
V
DD
=
AV
DD
=
3.0 V,
AV
RH
=
3.0 V
LSB
Full-scale transition error
V
FST
AN-0 to
AN-F
LSB
Analog input current
I
AIN
AN-0 to
AN-F
0.1
10
μ
A
Analog input voltage
V
AIN
AN-0 to
AN-F
AV
SS
AV
RH
V
Reference voltage
AV
RH
AV
RH
AV
DD
V
Power
supply
current
During
conversion
I
A
AV
DD
V
DD
=
AV
DD
=
3.0 V
3.0
mA
Conver-
sion halted
I
AH
5.0
μ
A
Reference
voltage
supply
current
During
conversion
I
R
AV
RH
V
DD
=
AV
DD
=
3.0 V,
AV
RH
=
3.0 V
100
μ
A
Conver-
sion halted
I
RH
10
μ
A
Variation between
channels
AN-0 to
AN-F
4
LSB
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