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TLC1543QDW Datenblatt(PDF) 11 Page - Texas Instruments |
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TLC1543QDW Datenblatt(HTML) 11 Page - Texas Instruments |
11 / 27 page TLC1542C, TLC1542I, TLC1542M, TLC1542Q, TLC1543C, TLC1543I, TLC1543Q 10-BIT ANALOG-TO-DIGITAL CONVERTERS WITH SERIAL CONTROL AND 11 ANALOG INPUTS SLAS052E – MARCH 1992 – OCTOBER 1998 11 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 operating characteristics over recommended operating free-air temperature range, VCC = Vref+ = 4.5 V to 5.5 V, I/O CLOCK frequency = 2.1 MHz (unless otherwise noted) (continued) TEST CONDITIONS MIN TYP† MAX UNIT tPZH, tPZL Enable time, CS ↓ to DATA OUT (MSB driven) See Figure 3 1.3 µs tPHZ, tPLZ Disable time, CS ↑ to DATA OUT (high impedance) See Figure 3 150 ns tr(EOC) Rise time, EOC See Figure 8 300 ns tf(EOC) Fall time, EOC See Figure 7 300 ns tr(DATA) Rise time, data bus See Figure 6 300 ns tf(DATA) Fall time, data bus See Figure 6 300 ns td(I/O-CS) Delay time, tenth I/O CLOCK ↓ to CS↓ to abort conversion (see Note 11) 9 µs † All typical values are at TA = 25°C. NOTE 11. Any transitions of CS are recognized as valid only if the level is maintained for a setup time plus two falling edges of the internal clock (1.425 µs) after the transition. PARAMETER MEASUREMENT INFORMATION EOC CL = 50 pF 12 k Ω DATA OUT Test Point VCC RL = 2.18 kΩ CL = 100 pF 12 k Ω Test Point VCC RL = 2.18 kΩ Figure 2. Load Circuits CS DATA OUT 2.4 V 0.4 V 90% 10% tPZH, tPZL tPHZ, tPLZ 0.8 V 2 V Figure 3. DATA OUT Enable and Disable Voltage Waveforms ADDRESS th(A) 0.8 V 2 V I/O CLOCK Address Valid tsu(A) 0.8 V Figure 4. ADDRESS Setup and Hold TIme Voltage Waveforms |
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