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ADS1602IPFBR Datasheet(PDF) 8 Page - Texas Instruments |
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ADS1602IPFBR Datasheet(HTML) 8 Page - Texas Instruments |
8 / 29 page CLK SYNC t SSC t HSC FSO t C t SYPW t STL CLK FSO t CPW SCLK t CS t CF t FPW DOUT t DS t DH MSB BIT 14 LSB NewData BIT 1 t CPW ADS1602 SBAS341E – DECEMBER 2004 – REVISED OCTOBER 2011 www.ti.com TIMING DIAGRAMS Figure 1. Initialization Timing TIMING REQUIREMENTS For TA = –40°C to +85°C, DVDD = 2.7V to 3.6V, and IOVDD = 2.7V to 5.25V. SYMBOL DESCRIPTION MIN TYP MAX UNIT tSYPW SYNC positive pulse width 1 CLK period tC Clock period (CLK) 25 ns tSSC Setup time; SYNC rising edge to CLK rising edge 0.5 CLK period tHSC Hold time; CLK rising edge to SYNC falling edge 0.5 CLK period Settling time of the ADS1602; FSO falling edge to next tSTL 833 CLK periods FSO rising edge Figure 2. Data Retrieval Timing TIMING REQUIREMENTS For TA = –40°C to +85°C, DVDD = 2.7V to 3.6V, and IOVDD = 2.7V to 5.25V. SYMBOL DESCRIPTION MIN TYP MAX UNIT tCS Rising edge of CLK to rising edge of SCLK 15 ns tCF Rising edge of SCLK to rising edge of FSO 5 ns tCPW CLK positive or negative pulse width 11.25 ns tFPW Frame sync output high pulse width 1 CLK period tDS SCLK rising edge to new DOUT valid 5 ns tDH SCLK falling edge to DOUT invalid 6 ns 8 Copyright © 2004–2011, Texas Instruments Incorporated |
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