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LTC6943

微功率、精准仪表双开关电容器单元式部件

LTC6943产品信息:

概览

优势和特点

  • Low Power, I(S) = 60µA(Max)
  • Robust, Latch Up Proof
  • Instrumentation Front End with 120dB CMRR
  • Precise, Charge-Balanced Switching
  • Operates from 5V to 18V
  • Internal or External Clock
  • Operates up to 5MHz Clock Rate
  • Two Independent Sections with One Clock
  • Tiny SSOP-16 Package

产品详情

The LTC 6943 is a monolithic, charge-balanced, dual switched capacitor instrumentation building block. A pair of switches alternately connects an external capacitor to an input voltage and then connects the charged capacitor across an output port. The internal switches have a break-before-make action. An internal clock is provided and its frequency can be adjusted with an external capacitor. The LTC6943 can also be driven with an external CMOS clock.

The LTC6943, when used with low clock frequencies, provides ultra precision DC functions without requiring precise external components. Such functions are differential voltage to single-ended conversion, voltage inversion, voltage multiplication and division by 2, 3, 4, 5, etc.

The LTC6943 is manufactured using Linear Technology’s enhanced LTCMOSTM silicon gate process, and it is functionally compatible with the LTC1043.


应用
  • Ultra Precision Voltage Inverters, Multipliers and Dividers
  • V-F and F-V Converters
  • Sample-and-Hold
  • Current Sources
  • Precision Instrumentation Amplifiers

LTC6943数据手册:

LTC6943引脚功能、电路图:

LTC6943

【用 途】 开关电容构件【性能 参数】  采用SSOP-16封装,工作电压5V-18V。 引脚排列图:【互换 兼容】

LTC6943-微功率、精准仪表双开关电容器单元式部件

LTC6943描述TheLTC®6943isamonolithic,charge-balanced,dualswitchedcapacitorinstrumentationbuildingblock.Apairofswitchesalternatelyconnectsanexternalcapacitortoaninputvoltageandthenconnectsthechargedcapacitoracrossanoutputport.Theinternalswitcheshaveabreak-before-makeaction.Aninternalclockisprovidedanditsfrequencycanbeadjustedwithanexternalcapacitor.TheLTC6943canalsobedrivenwithanexternalCMOScloc

采用一个双开关电容器仪表单元式部件的 50MHz 热敏电阻 RMS 至 DC 转换器

LTC6943 是一款单片式、电荷平衡、双开关电容器仪表单元式部件。一对开关交替地将一个外部电容器连接至一个输入电压,而后把充电电容器跨接在一个输出端口上。内部开关执行一种先断后合”操作。另外,LTC6943 也可以由一个外部 CMOS 时钟来驱动。

单 5V 电源精准线性化 0°C 至 400°C 铂 RTD 信号调理器

LTC6943 是一款单片式、电荷平衡的双开关式电容器仪表构件。一对开关交替地将一个外部电容器连接至一个输入电压,并随后在一个输出端口上跨接充电电容器。内部开关执行先断后合”操作。另外,LTC6943 也可以采用一个外部 CMOS 时钟进行驱动。

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