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ADC0858BIN

更新时间： 2024-11-15 22:24:23
品牌 Logo 应用领域
美国国家半导体 - NSC 转换器模数转换器光电二极管监控
页数 文件大小 规格书
36页 580K
描述
8-Bit Analog Data Acquisition and Monitoring Systems

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中文翻译

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ADC0858BIN 技术参数

是否Rohs认证： 不符合生命周期：Obsolete
包装说明：DIP, DIP20,.3Reach Compliance Code：unknown
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.92最大模拟输入电压：5 V
最小模拟输入电压：最长转换时间：18 µs
转换器类型：ADC, SUCCESSIVE APPROXIMATIONJESD-30 代码：R-PDIP-T20
JESD-609代码：e0长度：26.075 mm
最大线性误差 (EL)：0.2%模拟输入通道数量：8
位数：8功能数量：1
端子数量：20最高工作温度：85 °C
最低工作温度：-40 °C输出位码：BINARY
输出格式：SERIAL封装主体材料：PLASTIC/EPOXY
封装代码：DIP封装等效代码：DIP20,.3
封装形状：RECTANGULAR封装形式：IN-LINE
峰值回流温度（摄氏度）：NOT SPECIFIED电源：5 V
认证状态：Not Qualified座面最大高度：5.08 mm
子类别：Analog to Digital Converters最大压摆率：10 mA
标称供电电压：5 V表面贴装：NO
技术：CMOS温度等级：INDUSTRIAL
端子面层：Tin/Lead (Sn/Pb)端子形式：THROUGH-HOLE
端子节距：2.54 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：7.62 mm
Base Number Matches：1

ADC0858BIN 数据手册

 浏览型号ADC0858BIN的Datasheet PDF文件第2页浏览型号ADC0858BIN的Datasheet PDF文件第3页浏览型号ADC0858BIN的Datasheet PDF文件第4页浏览型号ADC0858BIN的Datasheet PDF文件第5页浏览型号ADC0858BIN的Datasheet PDF文件第6页浏览型号ADC0858BIN的Datasheet PDF文件第7页 
January 1995  
ADC0851 and ADC0858 8-Bit Analog Data  
Acquisition and Monitoring Systems  
General Description  
Key Specifications  
Y
Resolution  
8 Bits  
The ADC0851 and ADC0858 are 2 and 8 input analog data  
acquisition systems. They can function as conventional mul-  
tiple input A/D converters, automatic scanning A/D convert-  
ers or programmable analog ‘‘watchdog’’ systems. In  
‘‘watchdog’’ mode they monitor analog inputs and deter-  
mine whether these inputs are inside or outside user pro-  
grammed window limits. This monitoring process takes  
place independent of the host processor. When any input  
falls outside of its programmed window limits, an interrupt is  
automatically generated which flags the processor; the chip  
can then be interrogated as to exactly which channels  
crossed which limits.  
Y
g
g
1 LSB  
Total error  
(/2 LSB or  
Y
Low power  
50 mW  
Y
Conversion time  
18 ms/Channel  
2 ms/Limit  
Y
Limit comparison time  
Features  
Y
Watchdog operation signals processor when any  
channel is outside user programmed window limits  
Frees microprocessor from continually monitoring  
analog signals and simplifies applications software  
2 (ADC0851) or 8 (ADC0858) analog input channels  
Single ended or differential input pairs  
COM input for DC offsetting of input voltage  
4 (ADC0851) and 16 (ADC0858), 8-bit programmable  
limits  
Y
Y
Y
Y
Y
The advantage of this approach is that its frees the proces-  
sor from having to frequently monitor analog variables. It  
can consequently save having to insert many A/D subrou-  
tine calls throughout real time application code. In control  
systems where many variables are continually being moni-  
tored this can significantly free up the processor, especially  
if the variables are DC or slow varying signals.  
Y
Y
Y
Y
Y
NSC MICROWIRETM interface  
Power fail detection  
The Auto A/D conversion feature allows the device to scan  
through selected input channels, performing an A/D conver-  
sion on each channel without the need to select a new  
channel after each conversion.  
Auto A/D conversion feature  
Single 5V supply  
Window limits are user programmable via serial inter-  
face  
Applications  
Y
Instrumentation monitoring and process control  
Y
Digitizing automotive sensor signals  
Y
Embedded diagnostics  
Simplified Block Diagram  
TL/H/11021–22  
FIGURE 1  
TRI-STATEÉ is a registered trademark of National Semiconductor Corporation.  
MICROWIRETM is a trademark of National Semiconductor Corporation.  
C
1995 National Semiconductor Corporation  
TL/H/11021  
RRD-B30M75/Printed in U. S. A.  
1234567...36

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