參數(shù)資料
型號： XE8805AMI028LF
廠商： Semtech
文件頁數(shù)： 143/156頁
文件大?。?/td> 0K
描述： IC DAS 16BIT FLASH 8K MTP 64LQFP
標(biāo)準(zhǔn)包裝： 160
系列： XE880x
應(yīng)用： 感測機(jī)
核心處理器： Coolrisc816?
程序存儲(chǔ)器類型： 閃存（22 kB）
控制器系列： XE8000
RAM 容量： 512 x 8
接口： UART，USRT
輸入/輸出數(shù)： 24
電源電壓： 2.4 V ~ 5.5 V
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 64-LQFP
包裝： 托盤
供應(yīng)商設(shè)備封裝： 64-LQFP（10x10）
產(chǎn)品目錄頁面： 585 (CN2011-ZH PDF)
配用： XE8000MP-ND - PROG BOARD AND PROSTART2 CARD
Semtech 2006
www.semtech.com
16-1
XE8805/05A
16.
Acquisition
Chain
16.1
ZoomingADC
Features ....................................................................................................... 16-2
16.2
Overview ................................................................................................................................. 16-2
16.3
Register map .......................................................................................................................... 16-2
16.4
ZoomingADC
Description................................................................................................... 16-4
16.4.1
Acquisition Chain ..................................................................................................................... 16-4
16.4.2
Peripheral Registers................................................................................................................. 16-6
16.4.3
Continuous-Time vs. On-Request ............................................................................................ 16-8
16.5
Input Multiplexers .................................................................................................................. 16-9
16.6
Programmable Gain Amplifiers........................................................................................... 16-10
16.6.1
PGA & ADC Enabling............................................................................................................. 16-12
16.6.2
PGA1 ..................................................................................................................................... 16-12
16.6.3
PGA2 ..................................................................................................................................... 16-12
16.6.4
PGA3 ..................................................................................................................................... 16-12
16.7
ADC Characteristics ............................................................................................................ 16-13
16.7.1
Conversion Sequence ............................................................................................................ 16-13
16.7.2
Sampling Frequency .............................................................................................................. 16-14
16.7.3
Over-Sampling Ratio.............................................................................................................. 16-14
16.7.4
Elementary Conversions ........................................................................................................ 16-14
16.7.5
Resolution .............................................................................................................................. 16-15
16.7.6
Conversion Time & Throughput ............................................................................................. 16-16
16.7.7
Output Code Format .............................................................................................................. 16-16
16.7.8
Power Saving Modes ............................................................................................................. 16-18
16.8
Specifications and Measured Curves ................................................................................. 16-18
16.8.1
Default Settings...................................................................................................................... 16-19
16.8.2
Specifications......................................................................................................................... 16-20
16.8.3
Linearity ................................................................................................................................. 16-21
16.8.3.1
Integral non-linearity............................................................................................................... 16-21
16.8.3.2
Differential non-linearity ......................................................................................................... 16-25
16.8.4
Noise...................................................................................................................................... 16-26
16.8.5
Gain Error and Offset Error .................................................................................................... 16-27
16.8.6
Power Consumption............................................................................................................... 16-28
16.8.7
Power Supply Rejection Ratio................................................................................................ 16-30
16.9
Application Hints.................................................................................................................. 16-31
16.9.1
Input Impedance .................................................................................................................... 16-31
16.9.2
PGA Settling or Input Channel Modifications.......................................................................... 16-31
16.9.3
PGA Gain & Offset, Linearity and Noise................................................................................. 16-31
16.9.4
Frequency Response ............................................................................................................. 16-32
16.9.5
Power Reduction.................................................................................................................... 16-33
Not
Recommended
for
New
Designs
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參數(shù)描述
XE8805AMI028TLF 制造商:Semtech Corporation 功能描述:
XE8805MI028 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:Data Acquisition MCU
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XE8806AMI000 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:Ultra Low-Power Low-Voltage
XE8806AMI026LF 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:Ultra Low-Power Low-Voltage
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