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ADS8325IBDGKR Datasheet(PDF) 4 Page - Texas Instruments |
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ADS8325IBDGKR Datasheet(HTML) 4 Page - Texas Instruments |
4 / 36 page www.ti.com ADS8325 SBAS226C – MARCH 2002 – REVISED AUGUST 2007 ELECTRICAL CHARACTERISTICS: VDD = +5 V (continued) Over recommended operating free-air temperature at –40 °C to +85°C, V REF = 5V, –IN = GND, fSAMPLE = 100kHz, and fCLK = 24 × f SAMPLE, unless otherwise noted. ADS8325I ADS8325IB PARAMETER TEST CONDITIONS MIN TYP MAX MIN TYP MAX UNIT Total harmonic distortion THD 5VPP sinewave, at 1kHz –100 –106 dB Spurious-free dynamic SFDR 5VPP sinewave, at 1kHz –100 –108 dB range Signal-to-noise ratio SNR –90 –91 dB Signal-to-noise + distortion SINAD 5VPP sinewave, at 1kHz –90 –91 dB Effective number of bits ENOB 14.6 14.7 Bits VOLTAGE REFERENCE INPUT Reference voltage 2.5 VDD + 0.3 2.5 VDD + 0.3 V CS = GND, fSAMPLE = 0Hz 5 5 k Ω Reference input resistance CS = VDD 5 5 G Ω Reference input 20 20 pF capacitance 1 1.5 1 1.5 mA Reference input current CS = VDD 0.1 0.1 μA DIGITAL INPUTS(1) Logic family CMOS CMOS High-level input voltage VIH 0.7 × V DD VDD + 0.3 0.7 × V DD VDD + 0.3 V Low-level input voltage VIL –0.3 0.3 × V DD –0.3 0.3 × V DD V Input current IIN VI = VDD or GND ±50 ±50 nA Input capacitance CI 5 5 pF DIGITAL OUTPUTS(1) Logic family CMOS CMOS High-level output voltage VOH VDD = 4.5V, IOH = –100μA 4.44 4.44 V Low-level output voltage VOL VDD = 4.5V, IOL = 100μA 0.5 0.5 V High-impedance-state IOZ CS = VDD, VI = VDD or GND ±50 ±50 nA output current Output capacitance CO 5 5 pF Load capacitance CL 30 30 pF Data format Straight Binary Straight Binary (1) Applies for 5.0V nominal supply: VDD (min) = 4.5V and VDD (max) = 5.5V. 4 Submit Documentation Feedback Copyright © 2002–2007, Texas Instruments Incorporated Product Folder Link(s): ADS8325 |
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