参数资料
型号: XE8805AMI028LF
厂商: Semtech
文件页数: 143/156页
文件大小: 0K
描述: IC DAS 16BIT FLASH 8K MTP 64LQFP
标准包装: 160
系列: XE880x
应用: 感测机
核心处理器: Coolrisc816?
程序存储器类型: 闪存(22 kB)
控制器系列: XE8000
RAM 容量: 512 x 8
接口: UART,USRT
输入/输出数: 24
电源电压: 2.4 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 64-LQFP
包装: 托盘
供应商设备封装: 64-LQFP(10x10)
产品目录页面: 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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XE8805AMI028TLF 制造商:Semtech Corporation 功能描述:
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