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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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ADS8519IBDBR датащи(PDF) 7 Page - Texas Instruments |
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ADS8519IBDBR датащи(HTML) 7 Page - Texas Instruments |
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7 / 31 page  1 2 tsu1 tsu1 CS R/C External DATACLK CS Set Low, Discontinuous Ext DATACLK tsu1 tsu1 R/C CS External DATACLK R/C Set Low, Discontinuous Ext DATACLK tsu2 tsu2 CS R/C tsu3 BUSY External DATACLK CS Set Low, Discontinuous Ext DATACLK Setup Time, R/C to CS ADS8519 www.ti.com SLAS462D – JUNE 2007 – REVISED SEPTEMBER 2010 TIMING REQUIREMENTS, TA = –40°C to +85°C PARAMETER MIN TYP MAX UNIT tw1 Pulse duration, convert 40 ns td1 Delay time, BUSY from R/C low 6 20 ns tw2 Pulse duration, BUSY low 2.2 ms td2 Delay time, BUSY, after end of conversion 5 ns td3 Delay time, aperture 5 ns tconv Conversion time 2.2 ms tacq Acquisition time 1.8 ms tconv + tacq Cycle time 4 ms td4 Delay time, R/C Low to internal DATACLK output 270 ns tc1 Cycle time, internal DATACLK 110 ns td5 Delay time, data valid to internal DATACLK high 15 35 ns td6 Delay time, data valid after internal DATACLK low 20 35 ns tc2 Cycle time, external DATACLK 35 ns tw3 Pulse duration, external DATACLK high 15 ns tw4 Pulse duration, external DATACLK low 15 ns tsu1 Setup time, R/C rise/fall to external DATACLK high 15 ns tsu2 Setup time, R/C transition to CS transition 10 ns td7 Delay time, SYNC, after external DATACLK high 3 35 ns td8 Delay time, data valid from external DATACLK high 2 13 ns td9 Delay time, CS rising edge to external DATACLK rising edge 10 ns td10 Delay time, previous data available after CS, R/C low 2 ms tsu3 Setup time, BUSY transition to first external DATACLK 5 ns td11 Delay time, final external DATACLK to BUSY rising edge 1 ms tsu4 Setup time, TAG valid 0 ns th1 Hold time, TAG valid 2 ns TIMING DIAGRAMS Figure 1. Critical Timing Copyright © 2007–2010, Texas Instruments Incorporated Submit Documentation Feedback 7 Product Folder Link(s): ADS8519 |
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