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      參數(shù)資料
      

      


      


      
型號(hào)：
TLC2554CD

      

      
廠商：
TEXAS INSTRUMENTS INC

      

      
元件分類：
ADC

      

      
英文描述：
4-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO16

      

      
封裝：
GREEN, PLASTIC, MS-012AC, SOIC-16

      

      
文件頁(yè)數(shù)：
45/48頁(yè)

      

      
文件大小：
1072K

      

      
代理商：
TLC2554CD


      

      

      

	
      
    
    

    
      
	
      TLC2554, TLC2558
      5-V, 12-BIT, 400 KSPS, 4/8 CHANNEL, LOW POWER,
      SERIAL ANALOG-TO-DIGITAL CONVERTERS WITH AUTO POWER DOWN
      SLAS220A –JUNE 1999
      6
      POST OFFICE BOX 655303
       DALLAS, TEXAS 75265
      serial interface (continued)
      The output data format is either binary (unipolar straight binary) or 2s complement.
      binary
      Zero scale code = 000h, Vcode = VREFM
      Full scale code = FFFh, Vcode = VREFP – 1 LSB
      2’s complement
      Minus full scale code = 800h, Vcode = VREFM
      Full scale code = 7FFh, Vcode = VREFP – 1 LSB
      control and timing
      start of the cycle:
      D When FS is not used ( FS = 1 at the falling edge of CS), the falling edge of CS is the start of the cycle. Input
      data is shifted in on the rising edge, and output data changes on the falling edge of SCLK. This is typically
      used for a SPI microcontroller, although it can also be used for a DSP.
      D When FS is used ( FS is an active signal from a DSP), the falling edge of FS is the start of the cycle. Input
      data is shifted in on the falling edge, and output data changes on the rising edge of SCLK. This is typically
      used for a TMS320 DSP.
      first 4-MSBs: the command register (CMR)
      The TLC2554/TLC2558 have a 4-bit command set (see Table 1) plus a 12-bit configuration data field. Most of
      the commands require only the first 4 MSBs, i.e. without the 12-bit data field.
      NOTE:
      The device requires a write CFR (configuration register) with 000h data (write A000h to the serial
      input) at power up to initialize host select mode.
      The valid commands are listed in Table 1.
      Table 1. TLC2554/TLC2558 Command Set
      SDI D(15–12) BINARY, HEX
      TLC2558 COMMAND
      TLC2554 COMMAND
      0000b
      0000h
      Select analog input channel 0
      0001b
      1000h
      Select analog input channel 1
      N/A
      0010b
      2000h
      Select analog input channel 2
      Select analog input channel 1
      0011b
      3000h
      Select analog input channel 3
      N/A
      0100b
      4000h
      Select analog input channel 4
      Select analog input channel 2
      0101b
      5000h
      Select analog input channel 5
      N/A
      0110b
      6000h
      Select analog input channel 6
      Select analog input channel 3
      0111b
      7000h
      Select analog input channel 7
      N/A
      1000b
      8000h
      SW power down (analog + reference)
      1001b
      9000h
      Read CFR register data shown as SDO D(11–0)
      1010b
      A000h plus data
      Write CFR followed by 12-bit data
      1011b
      B000h
      Select test, voltage = (REFP+REFM)/2
      1100b
      C000h
      Select test, voltage = REFM
      1101b
      D000h
      Select test, voltage = REFP
      1110b
      E000h
      FIFO read, FIFO contents shown as SDO D(15–4), D(3–0) = 0000
      1111b
      F000h plus data
      Reserved
      1111b
      F000h plus data
      Reserved
      
    
      
    
    
      


      


      

      相關(guān)PDF資料
      		

      PDF描述
      		

      
      

      
TLC2554CDR
4-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO16

      

      
TLC2554IPW
4-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO16

      

      
TLC2558CDWR
8-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20

      

      
TLC2558IPWRG4
8-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20

      

      
TLC2558IDWG4
8-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20

      

      

      

      


      


      

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

      參數(shù)描述
      		

      
      

      
TLC2554CDG4
功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-bit 400 KSPS 4-Ch Serial w/Powerdown RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32

      

      
TLC2554CDR
功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-bit 400 KSPS 4-Ch Serial w/Powerdown RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32

      

      
TLC2554CDRG4
功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-bit 400 KSPS 4-Ch Serial w/Powerdown RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32

      

      
TLC2554CPW
功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-bit 400 KSPS 4-Ch Serial w/Powerdown RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32

      

      
TLC2554CPWG4
功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-bit 400 KSPS 4-Ch Serial w/Powerdown RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32

      

      
    
    
    
	
      	
    
    
     
     
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