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ADS8320SHKJ Arkusz danych(PDF) 6 Page - Texas Instruments |
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ADS8320SHKJ Arkusz danych(HTML) 6 Page - Texas Instruments |
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6 / 26 page  ADS8320-HT SBAS521B – DECEMBER 2010 – REVISED SEPTEMBER 2012 www.ti.com ELECTRICAL CHARACTERISTICS VCC = 5 V, VREF = 5 V, -IN = GND, fSAMPLE = 100 kHz and fCLK = 24 x fSAMPLE, unless otherwise noted. CONDITIONS TA = -55°C to 125°C TA = 210°C (1) UNIT PARAMETER MIN TYP MAX MIN TYP MAX Resolution 16 16 Bits Analog Input Full-zcale input span +IN – (–IN) 0 VREF 0 VREF V +IN –0.1 VCC + 0.1 –0.1 VCC + 0.1 Absolute input range V –IN –0.1 0.5 –0.1 0.5 Capacitance 45 45 pF Leakage current 1 1 nA System Performance No missing codes 14 14 Bits Integral linearity error ±0.008 ±0.032 ±0.018 ±0.034 % of FSR Offset error ±0.6 ±3.8 ±0.5 ±3.8 mV Offset temperature drift ±3 ±4 μV/°C Gain error ±0.05 ±0.05 % of FSR Gain temperature drift ±0.3 ±0.3 ppm/°C Noise 20 21 μVrms Power-supply rejection ratio 4.7 V < VCC < 5.25 V 3 35 LSB(2) Sampling Dynamics Conversion time 16 16 Clk cycles Acquisition time 4.5 4.5 Clk cycles Throughput rate 100 100 kHz Clock frequency range 0.02 2.4 0.02 2.4 MHz Dynamic Characteristics Total harmonic distortion VIN = 5 x Vp-p at 10 kHz -84 -83 dB SINAD VIN = 5 x Vp-p at 10 kHz 82 81 dB Spurious-free dynamic range VIN = 5 x Vp-p at 10 kHz 84 83 dB SNR 90 88 dB Reference Input Voltage range 0.5 VCC 0.5 VCC V CS = GND, fSAMPLE = 0 Hz 5 5 Resistance G Ω CS = VCC 5 5 40 80 50 80 Current drain fSAMPLE = 10 kHz 0.8 0.8 µA CS = VCC 0.1 5 2 5 Digital Input/Output Logic family CMOS CMOS VIH IIH = 5 µA 3 VCC + 0.3 3 VCC + 0.3 V VIL IIL = 5 µA -0.3 0.8 -0.3 0.8 V Logic Levels VOH IOH = –250 µA 4 4 V VOL IOL = 250 µA 0.4 0.4 V Data format Straight binary (1) Minimum and maximum parameters are characterized for operation at TA = 210°C, but may not be production tested at that temperature. Production test limits with statistical guardbands are used to ensure high temperature performance. (2) LSB means least significant bit. With VREF = 5 V, one LSB is 0.076 V. 6 Submit Documentation Feedback Copyright © 2010–2012, Texas Instruments Incorporated Product Folder Links: ADS8320-HT |
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