參數(shù)資料
型號: MC56F8122VFAE
廠商: Freescale Semiconductor
文件頁數(shù): 28/136頁
文件大?。?/td> 0K
描述: IC DSP 16BIT 40MHZ 48-LQFP
標(biāo)準(zhǔn)包裝: 250
系列: 56F8xxx
核心處理器: 56800E
芯體尺寸: 16-位
速度: 40MHz
連通性: SCI,SPI
外圍設(shè)備: POR,WDT
輸入/輸出數(shù): 21
程序存儲(chǔ)器容量: 32KB(16K x 16)
程序存儲(chǔ)器類型: 閃存
RAM 容量: 4K x 16
電壓 - 電源 (Vcc/Vdd): 2.25 V ~ 3.6 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 6x12b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 105°C
封裝/外殼: 48-LQFP
包裝: 托盤
產(chǎn)品目錄頁面: 734 (CN2011-ZH PDF)
Analog-to-Digital Converter (ADC) Parameters
56F8322 Technical Data, Rev. 16
Freescale Semiconductor
123
Preliminary
Figure 10-20 ADC Absolute Error Over Processing and Temperature Extremes Before
and After Calibration for VDCin = 0.60V and 2.70V
Note: The absolute error data shown in the graphs above reflects the effects of both gain error and offset
error. The data was taken on 15 parts: three each from four processing corner lots as well as three from one
nominally processed lot, each at three temperatures: -40°C, 27°C, and 150°C (giving the 45 data points
shown above), for two input DC voltages: 0.60V and 2.70V. The data indicates that for the given
population of parts, calibration significantly reduced (by as much as 34%) the collective variation (spread)
of the absolute error of the population. It also significantly reduced (by as much as 80% when VDCin was
0.6V) the mean (average) of the absolute error and thereby brought it significantly closer to the ideal value
of zero. Although not guaranteed, it is believed that calibration will produce results similar to those shown
above for any population of parts, including those which represent processing and temperature extremes.
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