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ADS8634SRGET Datasheet(PDF) 6 Page - Texas Instruments |
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ADS8634SRGET Datasheet(HTML) 6 Page - Texas Instruments |
6 / 75 page t su(CS-SCLK) t d(CS-DO) 1R 1F 2 3 4 5 12 13 14 15 16R 16F CS SCLK DOUT DIN Acquisition (Internal) t h(SCLK-DOUT) t w(SCLK_H) t w(SCLK_L) t d(CS-DOHZ) t su(DIN-SCLK) t h(SCLK-DIN) 1/f SAMPLE t c t (ACQ) t d(SCLK-DOUT) ADS8634 ADS8638 SBAS541A – MAY 2011 – REVISED AUGUST 2011 www.ti.com PARAMETER MEASUREMENT INFORMATION TIMING DIAGRAM Table 1. Timing Requirements(1)(2)(3) ADS8634, ADS8638 TEST PARAMETER CONDITIONS MIN TYP MAX UNIT DVDD = 1.8V 15 SCLK tc Conversion time DVDD = 3V 15 SCLK DVDD = 5V 15 SCLK DVDD = 1.8V 250 ns t(ACQ) Acquisition time DVDD = 3V 250 ns DVDD = 5V 250 ns DVDD = 1.8V 52.5 ns td(CS-DO) Delay time, CS low to first data (D0 to D15) out DVDD = 3V 40.0 ns DVDD = 5V 30.5 ns DVDD = 1.8V 26.0 ns tsu(CS-SCLK) Setup time, CS low to first SCLK rising edge DVDD = 3V 18.5 ns DVDD = 5V 15.5 ns DVDD = 1.8V 51.5 ns td(SCLK-DOUT) Delay time, SCLK falling to DOUT DVDD = 3V 33.0 ns DVDD = 5V 25.3 ns DVDD = 1.8V 5.5 ns th(SCLK-DOUT) Hold time, SCLK falling to DOUT valid DVDD = 3V 5.0 ns DVDD = 5V 4.7 ns DVDD = 1.8V 7.3 31.0 ns td(CS-DOHZ) Delay time CS high to DOUT high-z DVDD = 3V 6.4 22.0 ns DVDD = 5V 5.9 16.4 ns (1) All specifications at –40°C to +125°C, unless otherwise noted. (2) 1.8V specifications apply from 1.65V to 1.95V; 3V specifications apply from 2.7V to 3.6V; and 5V specifications apply from 4.75V to 5.25V. (3) With 20pF load on DOUT. 6 Submit Documentation Feedback Copyright © 2011, Texas Instruments Incorporated Product Folder Link(s): ADS8634 ADS8638 |
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