參數(shù)資料
型號(hào)： EM785830AD
廠商： ELAN Microelctronics Corp .
英文描述： 8-BIT MICRO-CONTROLLER
中文描述： 8位微控制器
文件頁數(shù)： 39/43頁
文件大?。?/td> 396K
代理商： EM785830AD
EM785830AA
8-bit Micro-controller
__________________________________________________________________________________________________________________________________________________________________
* This specification is subject to be changed without notice.
12/1/2004 V1.6
EM785830AA’s 10 bit ADC characteristic
EM785830AA build in 10 bit resolution, multi channel ADC function. In ideal, if ADC’s reference voltage is 5V,
the ADC’s LSB will be 5V/1024. But in practical, for some physics or circuit’s character, some un-ideal will effect the
converter result. As the next figure, offset voltage will reduce AD’s converter range. If AD’s input voltage less than VOFL,
ADC will output 0; in opposition, if input voltage is larger than (VDD-VOFH), ADC will output 1023. That is to say the
physics AD converter range will replace by (VDD-VOFH+LSB-VOFL+LSB). If we defined that VRB = VOFL – LSB and
VRT = VDD-VOFH+LSB, the physics LSB is:
LSB = (VRT - VRB) / 1024
=
(VDD – (VOFH+VOFL) ) / 1022
For real operating, please think about the effect of AD’s offset voltage. If converter the range of (VRT - VRB), the AD
converter’s opposite result will be précised.
10-bit ADC
0V
VDD
Min. input for ADC output = 1023
(For 10-bit ADC, internally it takes this range to
average 1024 steps)
VOFL
VOFH
VRB
VRT
Min. input for ADC output = 1
Fig.16 The relative between ADC and offset voltage
相關(guān)PDF資料
PDF描述
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EM78P5830AA 8-BIT MICRO-CONTROLLER
EM78P5830AAM 8-BIT MICRO-CONTROLLER
EM78P5830AAP 8-BIT MICRO-CONTROLLER
EM78P5830ADQ 8-BIT MICRO-CONTROLLER
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
EM785830ADQ 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:8-BIT MICRO-CONTROLLER
EM785840 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:8-BIT MICRO-CONTROLLER
EM785840M 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:8-BIT MICRO-CONTROLLER
EM785840P 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:8-BIT MICRO-CONTROLLER
EM785841 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:8-BIT MICRO-CONTROLLER
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