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TLV2553 Datasheet(PDF) 7 Page - Texas Instruments |
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TLV2553 Datasheet(HTML) 7 Page - Texas Instruments |
7 / 30 page TLV2553 SLAS354B – SEPTEMBER 2001 – REVISED SEPTEMBER 2002 7 www.ti.com timing characteristics over recommended operating free-air temperature range, VREF+ = 5 V, I/O CLOCK frequency = 15 MHz, VCC = 5 V, load = 25 pF (unless otherwise noted) PARAMETER MIN TYP MAX UNIT tw1 Pulse duration I/O CLOCK high or low 26.7 100000 ns tsu1 Setup time DATA IN valid before I/O CLOCK rising edge (see Figure 26) 12 ns th1 Hold time DATA IN valid after I/O CLOCK rising edge (see Figure 26) 0 ns tsu2 Setup time CS low before first rising I/O CLOCK edge (see Note 7 and Figure 27) 25 ns th2 Hold time CS pulse duration high time (see Figure 27) 100 ns th3 Hold time CS low after last I/O CLOCK falling edge (see Figure 27) 0 ns th4 Hold time DATA OUT valid after I/O CLOCK falling edge (see Figure 28) 2 ns th5 Hold time CS high after EOC rising edge when CS is toggled (see Figure 31) 0 ns td1 Delay time CS falling edge to DATA OUT valid Load = 25 pF 28 ns td1 yg g (MSB or LSB) (see Figure 25) Load = 10 pF 20 ns td2 Delay time CS rising edge to DATA OUT high impedance (see Figure 25) 10 ns td3 Delay time I/O CLOCK falling edge to next DATA OUT bit valid (see Figure 28) 2 20 ns td4 Delay time Last I/O CLOCK falling edge to EOC falling edge 55 ns td5 Delay time last I/O CLOCK falling edge to CS falling edge to abort conversion 1.5 µs tt1 Transition time I/O CLOCK (see Note 7 and Figure 28) 1 µs tt2 Transition time DATA OUT (see Figure 28) 5 ns tt3 Transition time INT/EOC, CL at 7 pF (see Figure 30) 2.4 ns tt4 Transition time DATA IN, CS 10 µs tcycle Total cycle time (sample, conversion and delays) (see Note 7) MAX(tconvert) + I/O period (8/12/16 CLKs) µs Source impedance = 25 Ω 600 t l Channel acquisition time (sample), at 1 k Ω Source impedance = 100 Ω 650 ns tsample q( ), See Figures 33–38 and Note 7 Source impedance = 500 Ω 700 ns Source impedance = 1 k Ω 1000 NOTE 7: I/O CLOCK period = 8X [1/(I/O CLOCK frequency)] or 12X [1/(I/O CLOCK frequency)] or 16X [1/(I/O CLOCK frequency)] depends on I/O format selected. |
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Similar Description - TLV2553_14 |
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