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TLC2543MJ Datasheet(PDF) 11 Page - Texas Instruments |
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TLC2543MJ Datasheet(HTML) 11 Page - Texas Instruments |
11 / 34 page TLC2543C, TLC2543I, TLC2543M 12-BIT ANALOG-TO-DIGITAL CONVERTERS WITH SERIAL CONTROL AND 11 ANALOG INPUTS SLAS079F – DECEMBER 1993 – REVISED NOVEMBER 2001 11 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 PARAMETER MEASUREMENT INFORMATION A/D Conversion Interval Initialize MSB LSB MSB LSB B7 B6 B5 B4 C7 B15 A15 A14 A13 A12 A11 A10 A9 A8 A1 A0 1 2 3 4 5 6 7 8 15 16 1 I/O CLOCK DATA OUT DATA INPUT CS EOC Initialize Hi-Z State (see Note A) B3 B2 B1 B0 Access Cycle B Sample Cycle B Previous Conversion Data t(conv) Shift in New Multiplexer Address, Simultaneously Shift Out Previous Conversion Value NOTE A: To minimize errors caused by noise at CS, the internal circuitry waits for a setup time after CS ↓ before responding to control input signals. Therefore, no attempt should be made to clock in an address until the minimum CS setup time has elapsed. Figure 13. Timing for 16-Clock Transfer Using CS With MSB First A/D Conversion Interval Initialize MSB LSB MSB LSB B7 B6 B5 B4 C7 B15 A15 A14 A13 A12 A11 A10 A9 A8 A1 A0 1 2 3 4 5 6 7 8 15 16 1 I/O CLOCK DATA OUT DATA INPUT CS EOC Low Level (see Note A) B3 B2 B1 B0 Sample Cycle B Access Cycle B Previous Conversion Data t(conv) Shift in New Multiplexer Address, Simultaneously Shift Out Previous Conversion Value NOTE A: To minimize errors caused by noise at CS, the internal circuitry waits for a setup time after CS ↓ before responding to control input signals. Therefore, no attempt should be made to clock in an address until the minimum CS setup time has elapsed. Figure 14. Timing for 16-Clock Transfer Not Using CS With MSB First |
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