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ADS8528SPMR bảng dữ liệu(PDF) 3 Page - Texas Instruments |
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ADS8528SPMR bảng dữ liệu(HTML) 3 Page - Texas Instruments |
3 / 52 page ADS8528 ADS8548 ADS8568 www.ti.com SBAS543A – AUGUST 2011 – REVISED OCTOBER 2011 ELECTRICAL CHARACTERISTICS: ADS8528 All minimum/maximum specifications are at TA = –40°C to +125°C, specified supply voltage range, VREF = 2.5V (internal), VIN = ±10V, and fDATA = max, unless otherwise noted. Typical values are at TA = +25°C, HVDD = 15V, HVSS = –15V, AVDD = 5V, and DVDD = 3.3V. ADS8528 PARAMETER CONDITIONS MIN TYP MAX UNIT SAMPLING DYNAMICS Conversion time Internal conversion clock 1.33 μs Serial interface, all four SDOx active 480 kSPS Throughput rate fDATA Parallel interface 650 kSPS DC ACCURACY Resolution 12 Bits No missing codes 12 Bits Integral linearity error(1) INL –0.75 ±0.2 0.75 LSB Differential linearity error DNL –0.5 ±0.2 0.5 LSB Offset error –1.5 ±0.5 1.5 mV Offset error matching –0.65 0.65 mV Offset error drift ±3.5 μV/°C Gain error Referenced to voltage at REFIO –0.5 ±0.25 0.5 % Between channels of any pair –0.2 0.2 % Gain error matching Between any two channels –0.4 0.4 % Gain error drift Referenced to voltage at REFIO ±6 ppm/ °C AC ACCURACY Signal-to-noise ratio SNR At fIN = 10kHz 73 73.9 dB Signal-to-noise ratio + distortion SINAD At fIN = 10kHz 73 73.8 dB Total harmonic distortion(2) THD At fIN = 10kHz –89 –84 dB Spurious-free dynamic range SFDR At fIN = 10kHz 84 92 dB Channel-to-channel isolation At fIN = 10kHz 120 dB In 4VREF mode 48 MHz –3dB small-signal bandwidth BW In 2VREF mode 24 MHz (1) Integral nonlinearity is defined as the maximum deviation from a straight line passing through the end-points of the ideal ADC transfer function expressed as the number of LSBs or percentage of the specified full-scale range. (2) Calculated on the first nine harmonics of the input frequency. Copyright © 2011, Texas Instruments Incorporated 3 Product Folder Link(s): ADS8528 ADS8548 ADS8568 |
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