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MAX1368
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MAX1368

  • Category:Step-down DC/DC conversion
  • Product Name:Interface of microcontroller, 4.5-/3.5-Digit panel meter 4-20mA output
  • Manufacturers:MAXIM
  • Production Batch Number:11+
  • Encapsulation:QFP48
  • Stock Status:There is stock
  • Stock Quantity:9000
  • Minimum order quantity: 1
  • Details:点击查找MAX1368的pdf资料
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  • Product introduction

MAX1368  微控制器的接口,4.5-/3.5-Digit面板仪表4-20mA输出

description

MAX1366/MAX1368低功耗,4.5和3.5位面板米,设有一个集成的Σ-Δ模拟到数字转换器(ADC),LED显示驱动器,电压数字 - 模拟转换器(DAC),以及4-20mA(或0到16毫安),电流驱动器。

MAX1366/MAX1368的模拟输入电压范围为±2V或±200mV可编程。 MAX1368驱动3.5位(±1999计数)显示和MAX1366驱动4.5位(±19,999计数)显示。 ADC输出直接驱动LED显示屏,以及电压的DAC,这反过来,驱动4-20mA(或0到16毫安),电流环路输出。

在正常操作中,在0至16mA/4-20mA电流环路输出±2V或±200mV模拟输入驱动远程面板表显示,数据记录器,以及其他工业控制器。 为了增加灵活性,MAX1366/MAX1368允许直接访问ADC结果,DAC输出的V / I转换器输入。

Σ-ΔADC不需要外部精密积分电容,自动调零电容,晶体振荡器,电荷泵,或其他电路常用的双斜率ADC面板表电路的要求。 芯片上的模拟输入和参考缓冲器,允许使用高阻抗信号源直接接口。 出色的共模抑制和数字滤波提供大于100dB的同时50Hz和60Hz电源噪声排斥。 Other features include data hold, peak detection, and overrange/underrange detection.

MAX1366/MAX1368需要一个2.7V至5.25V的电源,以5.75VV 4.75V /我的供应,并在7V至30V回路供电。 他们是在节省空间(采用7mm x 7mm),48引脚TQFP封装,并在扩展操作(-40℃至+85℃)温度范围。

Key features

  • 微控制器(μC)接口,数字面板表
    • 20位Σ-Δ型ADC
      • 4.5位分辨率(±19,999计数,MAX1366)
         
      • 3.5位分辨率(±1999计数,MAX1368)
         
    • 没有整合/自动调零电容
    • 100MΩ输入阻抗
    • ±200mV或±2.000V的输入范围
  • LED显示屏
    • 共阴极7段LED驱动器
    • 可编程LED电流(0至20mA)
    • 2.5赫兹更新率
  • 输出DAC和电流驱动器
    • ±15位DAC,14位线性V / I转换
    • 可选择0至16毫安或4-20mA电流输出
    • 单极/双极模式
    • ±50μA零刻度,±40ppmFS /°C(典型值)
    • ±0.5%的增益误差,±25ppmFS /°C(典型值)
    • 单独7V至30V的电源电流环路输出
  • 2.7V至5.25V ADC / DAC的电源
  • 4.75V至5.25VV / I转换器供应
  • 2.048V的内部基准或外部基准
  • SPI™-/QSPI™-/MICROWIRE™兼容的串行接口
  • 48引脚,7mm x 7mm TQFP封装

Application/Purpose

  • Automatic Test Equipment (ATE)
     
  • Data acquisition system
     
  • Digital multimeter
     
  • Digital panel table
     
  • Digital voltmeter
     
  • Industrial process control

andMAX1368Related ICs are:


Model Manufacturers lot number encapsulation illustrate
MAX1368 MAXIM 11+ QFP48 Interface of microcontroller, 4.5-/3.5-Digit panel meter 4-20mA output
LT1368 LT 10+ DIP-8,SO-8 Dual-channel, precision, track-to-orbit input; And; Output op amp
TP11368V/NOPB   10+11+   Hong Kong spot, imported original
2SA1368 MITSUBISH 04+ SOT89 Brand new original
UCC81368 TI 07+ SOP-16 Brand new original
UPC1368H2 N/A N/A DIP Retail is available
LT1368CS8 LT O4 SOP-8P Brand new original in stock
SII1368CTU SMSC 04+ BGA  

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