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ADS8513IBDWR bảng dữ liệu(PDF) 3 Page - Texas Instruments |
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ADS8513IBDWR bảng dữ liệu(HTML) 3 Page - Texas Instruments |
3 / 34 page ADS8513 www.ti.com ...................................................................................................................................................... SLAS486C – JUNE 2007 – REVISED JANUARY 2009 ELECTRICAL CHARACTERISTICS (continued) At TA = –40°C to +85°C, fS = 40kSPS, VS = 5V, and using internal reference and fixed resistors, unless otherwise specified. ADS8513I ADS8513IB PARAMETER TEST CONDITIONS MIN TYP MAX MIN TYP MAX UNIT DC ACCURACY INL Integral linearity error –3 3 –2 2 LSB(1) DNL Differential linearity error –2 3 –1 2 LSB No missing codes 15 16 Bits Transition noise(2) 0.6 0.6 LSB Full-scale error(3)(4) –0.5 0.5 –0.25 0.25 % Full-scale error drift 10 10 ppm/°C Full-scale error(3)(4) External 2.5V reference –0.5 0.5 –0.25 0.25 % Full-scale error drift External 2.5V reference 0.2 0.2 ppm/°C Bipolar zero error(3) Bipolar ranges –10 10 –10 10 mV Bipolar zero error drift Bipolar ranges 2.5 2.5 ppm/°C Unipolar zero error(3) Unipolar ranges –6 6 –6 6 mV Unipolar zero error drift Unipolar ranges 2.5 2.5 ppm/°C Recovery time to rated accuracy from 1 µF capacitor to CAP 300 300 µs power down(5) Power-supply sensitivity +4.75V < VS < +5.25V ±8 ±8 LSB AC ACCURACY SFDR Spurious-free dynamic range fIN = 1kHz, ±10V 90 100 96 102 dB(6) THD Total harmonic distortion fIN = 1kHz, ±10V –98 –90 –100 –96 dB fIN = 1kHz, ±10V 85 89 87 89 SINAD Signal-to-(noise+distortion) dB -60 dB Input 30 32 SNR Signal-to-noise fIN = 1kHz, ±10V 85 89 87 89 dB Usable bandwidth(7) 130 130 kHz Full-power bandwidth (–3dB) 600 600 kHz SAMPLING DYNAMICS Aperture delay 40 40 ns Aperture jitter 20 20 ps Transient response FS step 5 5 µs Overvoltage recovery(8) 750 750 ns REFERENCE Internal reference voltage No load 2.48 2.5 2.52 2.48 2.5 2.52 V Internal reference source current (must 1 1 µA use external buffer) Internal reference drift 8 8 ppm/°C External reference voltage range for 2.3 2.5 2.7 2.3 2.5 2.7 V specified linearity External reference current drain External 2.5V ref 100 100 µA (1) LSB means Least Significant Bit. 1 LSB for the ±10V input range is 305 µV. (2) Typical rms noise at worst case transitions. (3) As measured with fixed resistors. Adjustable to zero with external potentiometer. (4) Full-scale error is the worst case of –Full Scale or +Full Scale deviation from ideal first and last code transitions, divided by the full-scale range; includes the effect of offset error. Tested at –40°C to +85°C. (5) Time delay after the ADS8513 is brought out of Power-Down mode until all internal settling occurs and the analog input is acquired to rated accuracy. A Convert command after this delay will yield accurate results. (6) All specifications in dB are referred to a full-scale input. (7) Usable bandwidth defined as full-scale input frequency at which Signal-to-(Noise + Distortion) degrades to 60dB. (8) Recovers to specified performance after 2 x FS input overvoltage. Copyright © 2007–2009, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Link(s): ADS8513 |
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