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參數(shù)資料
| 型號： | MB89PV650ACF |
| 廠商： | FUJITSU LTD |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 0.66A, 2.7-5.5V Single Hot-Swap IC Hi-Side MOSFET, Fault Report, Act-High Enable 8-SOIC |
| 中文描述： | 8-BIT, 10 MHz, MICROCONTROLLER, CQFP100 |
| 封裝： | CERAMIC, MQFP-100 |
| 文件頁數(shù)： | 37/52頁 |
| 文件大小： | 779K |
| 代理商： | MB89PV650ACF |
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37
MB89650AR Series
(2) Precautions
Input impedance of the analog input pins
The A/D converter used for the MB89650AR series contains a sample hold circuit as illustrated below to fetch
analog input voltage into the sample hold capacitor for eight instruction cycles after activating A/D conversion.
For this reason, if the output impedance of the external circuit for the analog input is high, analog input voltage
might not stabilize within the analog input sampling period. Therefore, it is recommended to keep the output
impedance of the external circuit low (below 10 k
).
Note that if the impedance cannot be kept low, it is recommended to connect an external capacitor of about
0.1
μ
F for the analog input pin.
Error
The smaller the | AVR – AV
SS
|, the greater the error would become relatively.
V
OT
V
NT
V
(N + 1)T
V
FST
Digital output
(1 LSB
×
N + V
OT
)
0000
0000
0000
0001
1111
1111
1110
1111
1 LSB =
AVR
256
Linearity error =
Differential linearity error =
Analog input
Actual conversion value
Theoretical conversion value
Total error =
V
NT
– (1 LSB
×
N + V
OT
)
1 LSB
V
( N + 1 ) T
– V
NT
1 LSB
V
NT
– (1 LSB
×
N + 1 LSB)
– 1
1 LSB
Linearity error
Sample hold circuit
C .
Analog channel selector
Close for 8 instruction cycles after activating
A/D conversion.
If the analog input
impedance is higher
than 10 k
, it is
recommended to
connect an external
capacitor of approx.
0.1
μ
F.
Analog input pin
Comparator
R .
Analog Input Equivalent Circuit
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MB89P657APF-101 | 8-bit Proprietary Microcontroller |
| MB89P657APF-102 | Circular Connector; No. of Contacts:16; Series:MS27656; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:21; Circular Contact Gender:Socket; Circular Shell Style:Wall Mount Receptacle RoHS Compliant: No |
| MB89P657APF-103 | Circular Connector; No. of Contacts:16; Series:MS27656; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:21; Circular Contact Gender:Socket; Circular Shell Style:Wall Mount Receptacle RoHS Compliant: No |
| MB89P657APF-104 | LJT 16C 16#16 SKT WALL RECP |
| MB89P657APF-105 | LJT 79C 79#22D PIN REAR WALL |
相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| MB89PV670A | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:8-bit Proprietary Microcontroller |
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| MB89PV680 | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:8-bit Proprietary Microcontroller |
| MB89PV680CF | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:8-bit Proprietary Microcontroller |
| MB89PV713 | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:CMOS 8-BIT SINGLE-CHIP FLEXIBLE MICROCONTROLLER |
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