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參數(shù)資料
| 型號(hào)： | MB90246APFV |
| 廠商： | FUJITSU LTD |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 16-bit Proprietary Microcontroller |
| 中文描述： | 16-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP100 |
| 封裝： | PLASTIC, LQFP-100 |
| 文件頁(yè)數(shù)： | 76/100頁(yè) |
| 文件大小： | 1956K |
| 代理商： | MB90246APFV |
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76
MB90246A Series
7. Notes on Using A/D Converter
Select the output impedance value for the external circuit of analog input according to the following conditions.
Output impedance values of the external circuit of 300
or lower are recommended.
When capacitors are connected to external pins, the capacitance of several thousand times the internal capacitor
value is recommended to minimized the effect of voltage distribution between the external capacitor and internal
capacitor.
When the output impedance of the external circuit is too high, the sampling time for analog voltages may not
be sufficient (sampling time = 0.56
μ
s @machine clock of 16 MHz).
Error
The smaller the | AVRH – AVRL |, the greater the error would become relatively.
8. 8-bit D/A Converter Electrical Characteristics
(AV
CC
= V
CC
= 4.5 V to 5.5 V, AV
SS
= V
SS
= 0.0 V, T
A
= –30
°
C to +70
°
C)
Parameter
Symbol
Pin name
Condition
Value
Typ.
8
—
Unit
Min.
—
—
Max.
8
±
0.9
Resolution
Differential linearity error
—
—
—
—
—
bit
LSB
Absolute accuracy
—
—
V
CC
= DVRH = 5.0 V,
DVRL = 0.0 V
Load capacitance:
20 pF
—
—
1.2
%
Conversion time
Analog power supply
voltage
—
—
—
—
—
10
—
—
1.0
20
V
CC
μ
s
V
V
mA
DVRH
DVRL
DVRH
V
SS
+ 2.0
V
SS
—
DVRH – DVRL 2.0 V
During conversion
When the CPU is
stopped
V
CC
– 2.0
1.5
Reference voltage
supply current
I
D
I
DH
DVRH
—
—
10
μ
A
Analog output
impedance
—
—
—
—
28
—
k
Block diagram of analog input circuit model
Note: Listed values must be considered as standards.
Comparator
Analog input pin
R
ON1
: Approx. 300
R
ON2
: Approx. 150
C
0
C
1
: Approx. 4 pF
R
ON1
R
ON2
C
0
C
1
Comparator
Comparator
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MB90330 | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller |
| MB90330A | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit Microcontroller |
| MB90330A_9E | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit microcontrollers |
| MB90333A | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit Microcontroller |
| MB90333APFF | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller |
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