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      參數(shù)資料
      

      


      


      
型號：
LTC1294CCS

      

      
廠商：
LINEAR TECHNOLOGY CORP

      

      
元件分類：
ADC

      

      
英文描述：
Single Chip 12-Bit Data Acquisition System

      

      
中文描述：
8-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20

      

      
封裝：
0.300 INCH, PLASTIC, SOL-20

      

      
文件頁數(shù)：
13/28頁

      

      
文件大小：
494K

      

      
代理商：
LTC1294CCS


      

      

      

	
      
    
    

    
      
	
      13
      LTC1293/LTC1294/LTC1296
      MSB-First/LSB-First (MSBF)
      The output data of the LTC1293/4/6 is programmed for
      MSB-first or LSB-first sequence using the MSB bit. When
      the MSBF bit is a logical one, data will appear on the D
      OUT
      line in MSB-first format. Logical zeroes will be filled in
      indefinitely following the last data bit to accommodate
      longer word lengths required by some microprocessors.
      When the MSBF bit is a logical zero, LSB first data will
      follow the normal MSB first data on the D
      OUT
       line. In the
      bipolar mode the sign bit will fill in after the MSB bit for
      MSBF = 0 (see Operating Sequence).
      Power Shutdowns (PS)
      The power shutdown feature of the LTC1293/4/6 is acti-
      vated by making the PS bit a logical zero. If CS remains low
      after the PS bit has been received, a 12-bit D
      OUT
       word with
      Example 2:
       The same conditions as Example 1 except
      COM = 1V. The resulting input span is 1V 
      ≤
       IN
      +
      ≤
       4V. Note
      if IN
      +
      ≥
       4V the resulting D
      OUT
       word is all 1’s. If IN
      +
      ≤
       1V
      then the resulting D
      OUT
       word is all 0’s.
      Example 3:
       Let V
      CC
       = 5V, V
      –
       = –5V, REF
      +
       = 4V, REF
      –
       = 1V
      and COM = 1V. Bipolar mode of operation. The resulting
      input span is –2V 
      ≤
       IN
      +
      ≤
       4V.
      For differential input configurations with the same condi-
      tions as in the above three examples the resulting input
      spans are as follows:
      Example 1 (Diff.):
       IN
      –
      ≤
       IN
      +
      ≤
       IN
      –
       + 3V.
      Example 2 (Diff.):
       IN
      –
      ≤
       IN
      +
      ≤
       IN
      –
       + 3V.
      Example 3 (Diff.):
       IN
      –
       – 3V  
      ≤
       IN
      +
      ≤
       IN
      –
       + 3V.
      U
      S
      A
      O
      PPLICATI
      U
      U
      Operating Sequence
      Example: Differential Inputs (CH4
      +
      , CH5
      –
      ), Unipolar Mode
      LTC1293 AI05
      MSB-FIRST DATA (MSBF = 0)
      MSB-FIRST DATA (MSBF = 1)
      t
      CYC
      CS
      D
      IN
      D
      OUT
      START
      SEL1
      UNI
      PS
      SGL/
      DIFF
      ODD/
      SIGN
      MSBF
      t
      CONV
      t
      SMPL
      SEL0
      HI-Z
      FILLED WITH ZEROES
      DON'T CARE
      CLK
      DON'T
      CARE
      B0
      B1
      B11
      CLK
      DON'T
      CARE
      t
      CYC
      CS
      D
      IN
      START
      SEL1
      UNI
      PS
      SGL/
      DIFF
      ODD/
      SIGN
      MSBF
      SEL0
      DON'T CARE
      D
      OUT
      t
      CONV
      t
      SMPL
      HI-Z
      B11
      B1 B0 B1
      B11
      FILLED WITH
      ZEROES
      
    
      
    
    
      


      


      

      相關(guān)PDF資料
      		

      PDF描述
      		

      
      

      
LTC1294CI
Single Chip 12-Bit Data Acquisition System

      

      
LTC1294CIN
Single Chip 12-Bit Data Acquisition System

      

      
LTC1294CM
Single Chip 12-Bit Data Acquisition System

      

      
LTC1294CMJ
Quad, Micropower, LinCMOS(TM) Comparator 14-SOIC

      

      
LTC1294DC
Single Chip 12-Bit Data Acquisition System

      

      

      

      


      


      

      相關(guān)代理商/技術(shù)參數(shù)
      		

      參數(shù)描述
      		

      
      

      
LTC1294CCSW
功能描述:IC DATA ACQ SYSTEM 12BIT 20-SOIC RoHS:否 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - ADCs/DAC - 專用型 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS
	Obsolescence Mitigation Program 標準包裝:50 系列:- 類型:數(shù)據(jù)采集系統(tǒng)（DAS） 分辨率（位）:16 b 采樣率（每秒）:21.94k 數(shù)據(jù)接口:MICROWIRE?，QSPI?，串行，SPI? 電壓電源:模擬和數(shù)字 電源電壓:1.8 V ~ 3.6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:40-WFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:40-TQFN-EP（6x6） 包裝:托盤

      

      
LTC1294CCSW#PBF
功能描述:IC DATA ACQ SYSTEM 12BIT 20-SOIC RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - ADCs/DAC - 專用型 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS
	Obsolescence Mitigation Program 標準包裝:50 系列:- 類型:數(shù)據(jù)采集系統(tǒng)（DAS） 分辨率（位）:16 b 采樣率（每秒）:21.94k 數(shù)據(jù)接口:MICROWIRE?，QSPI?，串行，SPI? 電壓電源:模擬和數(shù)字 電源電壓:1.8 V ~ 3.6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:40-WFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:40-TQFN-EP（6x6） 包裝:托盤

      

      
LTC1294CCSW#TR
功能描述:IC DATA ACQ SYS 12BIT 5V 20SOIC RoHS:否 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - ADCs/DAC - 專用型 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS
	Obsolescence Mitigation Program 標準包裝:50 系列:- 類型:數(shù)據(jù)采集系統(tǒng)（DAS） 分辨率（位）:16 b 采樣率（每秒）:21.94k 數(shù)據(jù)接口:MICROWIRE?，QSPI?，串行，SPI? 電壓電源:模擬和數(shù)字 電源電壓:1.8 V ~ 3.6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:40-WFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:40-TQFN-EP（6x6） 包裝:托盤

      

      
LTC1294CCSW#TRPBF
功能描述:IC DATA ACQ SYSTEM 12BIT 20-SOIC RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - ADCs/DAC - 專用型 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS
	Obsolescence Mitigation Program 標準包裝:50 系列:- 類型:數(shù)據(jù)采集系統(tǒng)（DAS） 分辨率（位）:16 b 采樣率（每秒）:21.94k 數(shù)據(jù)接口:MICROWIRE?，QSPI?，串行，SPI? 電壓電源:模擬和數(shù)字 電源電壓:1.8 V ~ 3.6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:40-WFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:40-TQFN-EP（6x6） 包裝:托盤

      

      
LTC1294DCJ
 制造商:Linear Technology 功能描述:ADC Single SAR 46.5ksps 12-bit Serial 20-Pin CDIP

      

      
    
    
    
	
      	
    
    
     
     
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