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ADC12H038 Datasheet(PDF) 10 Page - Texas Instruments |
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ADC12H038 Datasheet(HTML) 10 Page - Texas Instruments |
10 / 52 page ADC12030, ADC12032, ADC12034 ADC12038, ADC12H030, ADC12H032 ADC12H034, ADC12H038 SNAS080K – JULY 1999 – REVISED MARCH 2013 www.ti.com AC Electrical Characteristics (continued) The following specifications apply for V + = V A+ = VD+ = +5.0 VDC, VREF+ = +4.096 VDC, VREF− = 0 VDC, 12-bit + sign conversion mode, tr = tf = 3 ns, fCK = fSK = 8 MHz for the ADC12H030, ADC12H032, ADC12H034 and ADC12H038, fCK = fSK = 5 MHz for the ADC12030, ADC12032, ADC12034 and ADC12038, RS = 25Ω, source impedance for VREF+ and VREF− ≤ 25 Ω, fully-differential input with fixed 2.048V common-mode voltage, and 10(tCK) acquisition time unless otherwise specified. Boldface limits apply for TA = TJ = TMIN to TMAX; all other limits TA = TJ = 25°C. (1) Typical ADC12H030/2/4/8 ADC12030/2/4/8 Units Parameter Test Conditions (2) Limits (3) Limits (3) (Limits) 6(tCK) 6(tCK) (min) 6(tCK) 7(tCK) 7(tCK) (max) 6 Cycles Programmed 0.75 1.2 µs (min) 0.875 1.4 µs (max) 10(tCK) 10(tCK) (min) 10(tCK) 11(tCK) 11(tCK) (max) 10 Cycles Programmed 1.25 2.0 µs (min) 1.375 2.2 µs (max) tA Acquisition Time (4) 18(tCK) 18(tCK) (min) 18(tCK) 19(tCK) 19(tCK) (max) 18 Cycles Programmed 2.25 3.6 µs (min) 2.375 3.8 µs (max) 34(tCK) 34(tCK) (min) 34(tCK) 35(tCK) 35(tCK) (max) 34 Cycles Programmed 4.25 6.8 µs (min) 4.375 7.0 µs (max) 4944(tCK) 4944(tCK) 4944(tCK) (max) tCKAL Self-Calibration Time 618.0 988.8 µs (max) 76(tCK) 76(tCK) 76(tCK) (max) tAZ Auto Zero Time 9.5 15.2 µs (max) 2(tCK) 2(tCK) 2(tCK) (min) 3(tCK) 3(tCK) (max) Self-Calibration or Auto Zero tSYNC Synchronization Time from DOR 0.250 0.40 µs (min) 0.375 0.60 µs (max) DOR High Time when CS is Low tDOR Continuously for Read Data and 9(tSK) 9(tSK) 9(tSK) (max) Software Power Up/Down 1.125 1.8 µs (max) 8(tSK) 8(tSK) 8(tSK) (max) tCONV CONV Valid Data Time 1.0 1.6 µs (max) (4) If SCLK and CCLK are driven from the same clock source, then tA is 6, 10, 18 or 34 clock periods minimum and maximum. 10 Submit Documentation Feedback Copyright © 1999–2013, Texas Instruments Incorporated Product Folder Links: ADC12030 ADC12032 ADC12034 ADC12038 ADC12H030 ADC12H032 ADC12H034 ADC12H038 |
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