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ADS7825UBG4 Datasheet(PDF) 9 Page - Texas Instruments |
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ADS7825UBG4 Datasheet(HTML) 9 Page - Texas Instruments |
9 / 22 page 9 ® ADS7825 Hi-Z State BUSY R/C DATA BUS High Byte t 3 t 4 t 21 t 21 t 1 t 21 t 21 BYTE t 21 t 21 t 21 t 21 t 21 t 21 Hi-Z State Low Byte Hi-Z State t 9 t 12 t 9 t 12 CS FIGURE 2. Conversion Timing with Parallel Output (CS LOW). t 10 BUSY R/C MODE Acquire Convert t 11 t 7 t 6 t 3 t 4 t 1 Acquire Convert t 8 t 6 t 3 Parallel Data Bus Previous High Byte Valid t 12 Hi-Z Not Valid t 2 t 9 High Byte Valid t 12 t 9 t 12 BYTE t 1 Previous Low Byte Valid Previous High Byte Valid Low Byte Valid High Byte Valid t 12 Hi-Z t 12 t 12 t 5 FIGURE 3. Using CS to Control Conversion and Read Timing with Parallel Outputs. FIGURE 4. Serial Data Timing Using Internal Data Clock (TAG LOW). 1 MSB Valid Hi-Z CS or R/C(1) DATACLK SDATA BUSY t 7 + t8 t 16 t 15 t 14 t 26 t 13 t 25 2 3 15 16 Bit 14 Valid Bit 1 Valid Bit 13 Valid LSB Valid Hi-Z NOTE: (1) If controlling with CS, tie R/C LOW. If controlling with R/C, tie CS LOW. 1 MSB Valid 2 Bit 14 Valid (Results from previous conversion.) |
Similar Part No. - ADS7825UBG4 |
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Similar Description - ADS7825UBG4 |
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