參數(shù)資料
型號： MB90F497GPF
元件分類： 微控制器/微處理器
英文描述： 16-BIT, FLASH, 16 MHz, MICROCONTROLLER, PQFP64
封裝： 14 X 20 MM, 3.35 MM HEIGHT, 1 MM PITCH, PLASTIC, QFP-64
文件頁數(shù)： 80/96頁
文件大?。?/td> 2317K
代理商： MB90F497GPF
MB90495G Series
DS07-13713-6E
81
(Continued)
7.
Notes on Using A/D Converter
Select the output impedance value for the external circuit of analog input according to the following conditions :
External circuit output impedance values of about 5 k
Ω or lower are recommended.
If external capacitors are used, a capacitance of several thousand times the internal capacitor value is recom-
mended in order to minimize the effect of voltage distribution between the external and internal capacitor.
If the output impedance of the external circuit is too high, the sampling time for analog voltages may not be
sufficient (sampling period
= 2.00 μs @ machine clock of 16 MHz) .
About Error
The smaller the absolute value of | AVR - AVSS |, the greater the relative error.
3FF
3FE
3FD
004
003
002
001
AVSS
AVR
AVSS
AVR
N + 1
N
1
N
2
VNT
VOT (actual measurement)
VFST
{1 LSB
× (N 1)
+ VOT }
Actual conversion
characteristics
(actual
measurement)
(actual
measurement)
Actual conversion
characteristics
Ideal characteristics
Actual conversion
characteristics
Actual conversion
characteristics
Ideal
characteristics
Digital
output
Digital
output
Analog input
VNT (actual measurement)
V (N + 1) T
(actual
measurement)
Linearity error
Differential linearity error
Linearity error of digital output N
=
VNT
{1 LSB × (N 1) + VOT}
1 LSB
[LSB]
Differential linearity error of digital output N
=
V (N
+ 1) T VNT
1 LSB
1 LSB [LSB]
VFST
VOT
1022
[V]
1 LSB
=
VOT : Voltage for transition from digital output 000H to 001H.
VFST : Voltage for transition from digital output 3FEH to 3FFH.
C
Comparator
Analog input
R
Note : The figures given here are the suggested values.
MB90F497G, MB90F498G, MB90V495G R 3.2 k
Ω, C 30 pF
MB90497G
R 2.6 k
Ω, C 28 pF
Model Analog Input Circuit
相關(guān)PDF資料
PDF描述
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MB90F497GPMC-GE1 功能描述:IC MCU 16BIT 制造商:cypress semiconductor corp 系列:F2MC-16LX MB90495G 包裝:托盤 零件狀態(tài):在售 核心處理器:F2MC-16LX 核心尺寸:16-位 速度:16MHz 連接性:CAN，EBI/EMI，SCI，UART/USART 外設(shè):POR，WDT I/O 數(shù):49 程序存儲容量:64KB（64K x 8） 程序存儲器類型:閃存 EEPROM 容量:- RAM 容量:2K x 8 電壓 - 電源（Vcc/Vdd）:4.5 V ~ 5.5 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 8x8/10b 振蕩器類型:外部 工作溫度:-40°C ~ 105°C（TA） 封裝/外殼:64-LQFP 供應(yīng)商器件封裝:64-LQFP（12x12） 標(biāo)準(zhǔn)包裝:119
MB90F497GPMCR-G 制造商:FUJITSU 功能描述:
MB90F497GPMCR-GE1 制造商:FUJITSU 功能描述:
MB90F523BPFF-GE1 制造商:FUJITSU 功能描述:
MB90F523BPM1R-GE1 制造商:FUJITSU 功能描述:
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