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TLV2553IPWRG4 Datasheet(PDF) 8 Page - Texas Instruments |
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TLV2553IPWRG4 Datasheet(HTML) 8 Page - Texas Instruments |
8 / 36 page TLV2553 SLAS354C – SEPTEMBER 2001 – REVISED SEPTEMBER 2015 www.ti.com 6.8 Timing Requirements: VREF+ = 5 V over recommended operating free-air temperature range, I/O CLOCK frequency = 15 MHz, VCC = 5 V, load = 25 pF (unless otherwise noted) 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 32) 12 ns th1 Hold time DATA IN valid after I/O CLOCK rising edge (see Figure 32) 0 ns tsu2 Setup time CS low before first rising I/O CLOCK edge(1) (see Figure 33) 25 ns th2 Hold time CS pulse duration high time (see Figure 33) 100 ns th3 Hold time CS low after last I/O CLOCK falling edge (see Figure 33) 0 ns th4 Hold time DATA OUT valid after I/O CLOCK falling edge (see Figure 34) 2 ns th5 Hold time CS high after EOC rising edge when CS is toggled (see Figure 37) 0 ns Load = 25 pF 28 ns Delay time CS falling edge to DATA OUT valid td1 (MSB or LSB) (see Figure 31) Load = 10 pF 20 ns td2 Delay time CS rising edge to DATA OUT high impedance (see Figure 31) 10 ns td3 Delay time I/O CLOCK falling edge to next DATA OUT bit valid (see Figure 34) 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 (1)(see Figure 34) 1 µs tt2 Transition time DATA OUT (see Figure 34) 5 ns tt3 Transition time INT/EOC, CL at 7 pF (see Figure 36) 2.4 ns tt4 Transition time DATA IN, CS 10 µs MAX(tconvert) + tcycle Total cycle time (sample, conversion and delays)(1) I/O period µs (8/12/16 CLKs) Source impedance = 25 Ω 600 Source impedance = 100 Ω 650 Channel acquisition time (sample), at 1 k Ω,(1) tsample ns (See Figure 1 through Figure 6) Source impedance = 500 Ω 700 Source impedance = 1 k Ω 1000 (1) 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. 8 Submit Documentation Feedback Copyright © 2001–2015, Texas Instruments Incorporated Product Folder Links: TLV2553 |
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