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ADS1672IPAGG4 Arkusz danych(PDF) 8 Page - Texas Instruments |
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ADS1672IPAGG4 Arkusz danych(HTML) 8 Page - Texas Instruments |
8 / 34 page CLK DRDY t SCLK SCLK external t DRPW t CLKDR t CSSC t CSFDO t SPW t SPW t DOPD t CSRDO DOUT CS (1) MSB LSB t CLK t SCLKDR Hi-Z START DRDY CLK t SETTLE t START_CLKR t CLKDR t START ADS1672 SBAS402D – JUNE 2008 – REVISED JULY 2010 www.ti.com (1) CS may be tied low. Figure 2. Data Retrieval Timing with External SCLK (SCLK_SEL = 1) TIMING REQUIREMENTS: External SCLK At TA = –40°C to +85°C, and DVDD = 2.7V to 3.3V. SYMBOL DESCRIPTION MIN TYP MAX UNIT tCLK CLK period (1/fCLK) 50 ns tCLKDR CLK to DRDY delay 37 ns tDRPW DRDY pulse width 1 tCLK tCSSC CS active low to first Shift Clock (setup time) 5 ns tSCLK SCLK period (1/fSCLK) 25 ns tSPW SCLK high or low pulse width 12 ns tDOPD Rising edge of SCLK to new valid data output (propagation delay) 11 ns tSCLKDR Setup time of DRDY rising after SCLK falling edge 3 tCLK tCRSDO CS inactive to data output 3-state 8 ns Figure 3. START Timing TIMING REQUIREMENTS: START At TA = –40°C to +85°C, and DVDD = 2.7V to 3.3V. SYMBOL DESCRIPTION MIN TYP MAX UNIT tSTART_CLKR Setup time, rising edge of START to rising edge of CLK 0.5 tCLK tSTART Start pulse width 1 tCLK 8 Submit Documentation Feedback Copyright © 2008–2010, Texas Instruments Incorporated Product Folder Link(s): ADS1672 |
Podobny numer części - ADS1672IPAGG4 |
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Podobny opis - ADS1672IPAGG4 |
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