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參數(shù)資料
| 型號： | MB95F136JBW |
| 廠商： | Fujitsu Limited |
| 元件分類： | 8位微控制器 |
| 英文描述： | 8-BIT SINGLE CHIP MICROCONTROLLERS |
| 中文描述： | 8位單晶片微控制器 |
| 文件頁數(shù)： | 55/64頁 |
| 文件大?。?/td> | 795K |
| 代理商： | MB95F136JBW |
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MB95130MB Series
55
(2) Notes on Using A/D Converter
External impedance of analog input and its sampling time
A/D converter with sample and hold circuit. If the external impedance is too high to keep sufficient sampling
time, the analog voltage charged to the internal sample and hold capacitor is insufficient, adversely affecting
A/D conversion precision. Therefore to satisfy the A/D conversion precision standard, consider the relationship
between the external impedance and minimum sampling time and either adjust the register value and operating
frequency or decrease the external impedance so that the sampling time is longer than the minimum value.
Also, if the sampling time cannot be sufficient, connect a capacitor of about 0.1
μ
F to the analog input pin.
Errors
As |AV
CC
AV
SS
| becomes smaller, values of relative errors grow larger.
R
C
Analog input
Note : The values are reference values.
Analog input equivalent circuit
R
C
4.5 V
≤
AV
CC
≤
5.5 V
4.0 V
≤
AV
CC
< 4.5 V
2.0 k
(Max)
8.2 k
(Max)
16 pF (Max)
16 pF (Max)
Comparator
During sampling : ON
20
18
16
14
12
10
8
6
4
2
0
0
2
1
3
4
100
90
80
70
60
50
40
30
20
10
0
0
2
4
6
8
10
12
14
(External impedance
=
at 0 k
to 100 k
)
(External impedance
=
at 0 k
to 20 k
)
Minimum sampling time [
μ
s]
E
]
Minimum sampling time [
μ
s]
E
]
AV
CC
≥
4.0 V
The relationship between external impedance and minimum sampling time
AV
CC
≥
4.5 V
AV
CC
≥
4.5 V
AV
CC
≥
4.0 V
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MB95F136JBWPF | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:8-bit Microcontrollers |
| MB95F136JBWPF-GE1 | 功能描述:IC MCU 32KB FLASH 28SOP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:F²MC MB95130MB 產(chǎn)品培訓(xùn)模塊:The Ultra-Low Power MSP430 MSP430 Overview MSP430 Design Tools MSP430 Peripherals MSP430x2xx/4xx and Wireless Overview Portable Medical Solutions with MSP430 MSP430 for Utility Metering Solutions MSP430: How to JTAG MSP430, How To Use the Clock System Grace Software Graphical User Interface MCU Overview Driver Library MSP430Ware Overview 標(biāo)準(zhǔn)包裝:1 系列:MSP430x4xx 核心處理器:RISC 芯體尺寸:16-位 速度:8MHz 連通性:SPI，UART/USART 外圍設(shè)備:欠壓檢測/復(fù)位，LCD，POR，PWM，WDT 輸入/輸出數(shù):48 程序存儲器容量:32KB（32K x 8 + 256B） 程序存儲器類型:閃存 EEPROM 大小:- RAM 容量:1K x 8 電壓 - 電源 (Vcc/Vdd):1.8 V ~ 3.6 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 8x12b 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 85°C 封裝/外殼:100-LQFP 包裝:Digi-Reel® 其它名稱:296-26232-6 |
| MB95F136JBWPFV | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:8-bit Microcontrollers |
| MB95F136JS | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:8-bit Proprietary Microcontrollers |
| MB95F136JSPFV-GE1 | 制造商:FUJITSU 功能描述:8BIT MCU 32K FLASH 1K RAM SOP28 |
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