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ADS8519 Datasheet(PDF) 3 Page - Texas Instruments |
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ADS8519 Datasheet(HTML) 3 Page - Texas Instruments |
3 / 27 page www.ti.com ADS8519 SLAS462A – JUNE 2007 – REVISED MARCH 2008 ELECTRICAL CHARACTERISTICS (continued) At TA = –40°C to +85°C, fs = 250kSPS, and VDIG = VANA = 5V, using internal reference (unless otherwise specified). ADS8519I ADS8519IB PARAMETER TEST CONDITIONS MIN TYP MAX MIN TYP MAX UNIT DC ACCURACY INL Integral linearity error –3 3 –1.5 1.5 LSB(2) DNL Differential linearity error –2 2 –1 1 LSB No missing codes 15 16 Bits Transition noise(3) 0.67 0.67 LSB ±10V range Internal reference –0.5 0.5 –0.25 0.25 Full-scale %FSR error(4)(5) All other ranges Internal reference –0.5 –0.05 0.5 –0.5 –0.05 0.5 Full-scale error drift Internal reference ±7 ±7 ppm/ °C ±10V range External reference –0.05 0.003 0.05 –0.05 0.003 0.05 Full-scale %FSR error(4)(5) All other ranges External reference –0.5 0.5 –0.5 0.5 Full-scale error drift External reference ±2 ±2 ppm/ °C Bipolar zero error(4) –4 4 –2 2 mV Bipolar zero error drift ±2 ±2 ppm/ °C Unipolar zero 8.192V –20 6 20 –20 6 20 mV error(4) Unipolar zero error drift ±0.4 ±0.4 ppm/ °C Recovery to rated accuracy after 1 µF capacitor to CAP 1 1 ms power down Power supply sensitivity +4.75V < VD < +5.25V –8 8 –8 8 LSB (VDIG = VANA = VD) AC ACCURACY SFDR Spurious-free dynamic range fI = 20kHz 95 100 97 100 dB(6) THD Total harmonic distortion fI = 20kHz –96 –94 –98 –96 dB fI = 20kHz 87 91 90 92 dB SINAD Signal-to-(noise+distortion) –60dB Input 30 32 dB SNR Signal-to-noise ratio fI = 20kHz 88 92 91 93 dB Full-power bandwidth(7) 500 500 kHz SAMPLING DYNAMICS Aperture delay 5 5 ns Transient response FS step 2 2 µs Overvoltage recovery(8) 150 150 ns REFERENCE Internal reference voltage No load 4.076 4.096 4.116 4.076 4.096 4.116 V Internal reference source current 1 1 µA (must use external buffer) Internal reference drift 8 8 ppm/ °C External reference voltage range 2.5 4.096 4.1 2.5 4.096 4.1 V for specified linearity External reference current drain External 4.096V ref. 100 100 µA (2) LSB means Least Significant Bit. For the ±10V input range, one LSB is 305 µV. (3) Typical rms noise at worst-case transitions and temperatures. (4) As measured with circuit shown in Figure 29 and Figure 30. (5) For bipolar input ranges, full-scale error is the worst case of –Full-Scale or +Full-Scale uncalibrated deviation from ideal first and last code transitions, divided by the transition voltage (not divided by the full-scale range) and includes the effect of offset error. For unipolar input ranges, full-scale error is the deviation of the last code transition divided by the transition voltage. It also includes the effect of offset error. (6) All specifications in dB are referred to a full-scale ±10V input. (7) Full-power bandwidth is defined as the 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 © 2007–2008, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Link(s): ADS8519 |
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Similar Description - ADS8519_08 |
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