參數(shù)資料
      型號: TLV1508IDWR
      廠商: TEXAS INSTRUMENTS INC
      元件分類: ADC
      英文描述: 8-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20
      封裝: GREEN, PLASTIC, MS-012AA, SOIC-20
      文件頁數(shù): 7/46頁
      文件大小: 1065K
      代理商: TLV1508IDWR
      TLV1504, TLV1508
      2.7V TO 5.5V, 10BIT, 200KSPS, 4/8CHANNEL, LOW POWER
      SERIAL ANALOGTODIGITAL CONVERTERS WITH AUTOPOWERDOWN
      SLAS251A DECEMBER 1999 REVISED JANUARY 2003
      15
      POST OFFICE BOX 655303
      DALLAS, TEXAS 75265
      conversion cycles (continued)
      CS
      CSTART
      SDI
      INT
      EOC
      SDO
      Hi-Z
      Select/Read
      Cycle
      Select/Read
      Cycle
      t(sample )
      t(conv)
      Previous Conversion
      Result
      Previous Conversion
      Result
      FS
      Hi-Z
      Device Going Into
      Extended Sampling Mode
      Device Get Out
      Extended Sampling
      Mode
      Read
      Cycle
      Normal
      Cycle
      This is one of the single shot commands. Conversion starts on next rising edge of CSTART.
      Figure 9. Mode 00 Single Shot/Extended Sampling (FS Signal Used, FS Pin Connected to TMS320 DSP)
      modes using the FIFO: modes 01, 10, 11 timing
      CS
      CSTART
      SDI
      INT
      SDO
      Hi-Z
      From Channel 2
      FS
      §
      §
      Hi-Z
      Configure
      Select
      Conversion #1
      Select
      Conversion #4
      Read FIFO
      #1
      #2
      #3
      #4
      Top of FIFO
      From Channel 2
      Command = Configure write for mode 01, FIFO threshold = 1/2
      Command = Read FIFO, 1st FIFO read
      § Command = Select ch2.
      Use any channel select command to trigger SDI input.
      Figure 10. TLV1504/TLV1508 Mode 01 DSP Serial Interface (Conversions Triggered by FS)
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