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ADS7953SDBTG4 Arkusz danych(PDF) 10 Page - Texas Instruments |
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ADS7953SDBTG4 Arkusz danych(HTML) 10 Page - Texas Instruments |
10 / 70 page ADS7950, ADS7951, ADS7952, ADS7953, ADS7954, ADS7955 ADS7956, ADS7957, ADS7958, ADS7959, ADS7960, ADS7961 SLAS605B – JUNE 2008 – REVISED JULY 2015 www.ti.com 7.6 Electrical Characteristics: ADS7950/51/52/53 VA = 2.7 V to 5.25 V, VBD = 1.7 V to 5.25 V, Vref = 2.5 V ± 0.1 V, TA = –40°C to 125°C, fsample = 1 MHz (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT ANALOG INPUT Range 1 0 Vref Full-scale input span(1) V Range 2 while 2Vref ≤ +VA 0 2*Vref –0.2 VREF Range 1 +0.2 Absolute input range V –0.2 2*VREF Range 2 while 2Vref ≤ +VA +0.2 Input capacitance 15 ρF Input leakage current TA = 125°C 61 nA SYSTEM PERFORMANCE Resolution 12 Bits ADS795XSB (2) 12 No missing codes Bits ADS795XS(2) 11 ADS795XSB(2) –1 ±0.5 1 Integral linearity LSB(3) ADS795XS(2) –1.5 ±0.75 1.5 ADS795XSB(2) –1 ±0.5 1 Differential linearity LSB ADS795XS(2) –2 ±0.75 1.5 Offset error(4) –3.5 ±1.1 3.5 LSB Range 1 –2 ±0.2 2 Gain error LSB Range 2 ±0.2 Total unadjusted error (TUE) ±2 LSB SAMPLING DYNAMICS Conversion time 20 MHz sclk 800 ns Acquisition time 325 ns Maximum throughput rate 20 MHz sclk 1 MHz Aperture delay 5 ns Step response 150 ns Overvoltage recovery 150 ns (1) Ideal input span; does not include gain or offset error. (2) ADS795X, where X indicates 0, 1, 2, or 3 (3) LSB means Least Significant Bit. (4) Measured relative to an ideal full-scale input 10 Submit Documentation Feedback Copyright © 2008–2015, Texas Instruments Incorporated Product Folder Links: ADS7950 ADS7951 ADS7952 ADS7953 ADS7954 ADS7955 ADS7956 ADS7957 ADS7958 ADS7959 ADS7960 ADS7961 |
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