參數(shù)資料
型號(hào): MB95F118JSPMC
廠商: FUJITSU LTD
元件分類: 微控制器/微處理器
英文描述: 8-BIT, FLASH, 16.25 MHz, MICROCONTROLLER, PQFP52
封裝: 10 X 10 MM, 1.70 MM HEIGHT, 0.65 MM PITCH, PLASTIC, LQFP-52
文件頁數(shù): 57/76頁
文件大?。?/td> 2396K
代理商: MB95F118JSPMC
MB95110M Series
60
DS07-12611-6E
(2) Notes on Using A/D Converter
About the 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
μF to the analog input pin.
About errors
As |AVCC
AVSS| becomes smaller, values of relative errors grow larger.
R
C
Analog input
Note : The values are reference values.
Analog input equivalent circuit
RC
4.5 V
≤ AVcc ≤ 5.5 V
2.0 k
Ω (Max)
16 pF (Max)
4.0 V
≤ AVcc < 4.5 V
8.2 k
Ω (Max)
16 pF (Max)
Comparator
During sampling : ON
0
2
46
8
10
12
14
0
10
20
30
40
50
60
70
80
90
100
AVCC
≥ 4.5 V
AVCC
≥ 4.0 V
01
23
4
0
2
4
6
8
10
12
14
16
18
20
AVCC
≥ 4.5 V
AVCC
≥ 4.0 V
(External impedance
= 0 kΩ to 100 kΩ)
(External impedance
= 0 kΩ to 20 kΩ)
Minimum sampling time [
μs]
Exte
rn
al
impe
dan
ce
[k
Ω
]
Minimum sampling time [
μs]
Exte
rn
al
impe
dan
ce
[k
Ω
]
The relationship between external impedance and minimum sampling time
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MB95F118JWPMC-GE1 功能描述:IC MCU 60K FLASH 2KB RAM 52LQFP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器, 系列:F²MC MB95110M 標(biāo)準(zhǔn)包裝:38 系列:Encore!® XP® 核心處理器:eZ8 芯體尺寸:8-位 速度:5MHz 連通性:IrDA,UART/USART 外圍設(shè)備:欠壓檢測(cè)/復(fù)位,LED,POR,PWM,WDT 輸入/輸出數(shù):16 程序存儲(chǔ)器容量:4KB(4K x 8) 程序存儲(chǔ)器類型:閃存 EEPROM 大小:- RAM 容量:1K x 8 電壓 - 電源 (Vcc/Vdd):2.7 V ~ 3.6 V 數(shù)據(jù)轉(zhuǎn)換器:- 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 105°C 封裝/外殼:20-SOIC(0.295",7.50mm 寬) 包裝:管件 其它名稱:269-4116Z8F0413SH005EG-ND