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ADS8320 Arkusz danych(PDF) 2 Page - Burr-Brown (TI) |
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ADS8320 Arkusz danych(HTML) 2 Page - Burr-Brown (TI) |
2 / 13 page 2 ® ADS8320 SPECIFICATIONS: +VCC = +5V At –40 °C to +85°C, V REF = +5V,–IN = GND, fSAMPLE = 100kHz, and fCLK = 24 • fSAMPLE, unless otherwise specified. The information provided herein is believed to be reliable; however, BURR-BROWN assumes no responsibility for inaccuracies or omissions. BURR-BROWN assumes no responsibility for the use of this information, and all use of such information shall be entirely at the user’s own risk. Prices and specifications are subject to change without notice. No patent rights or licenses to any of the circuits described herein are implied or granted to any third party. BURR-BROWN does not authorize or warrant any BURR-BROWN product for use in life support devices and/or systems. ADS8320E ADS8320EB PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS RESOLUTION 16 T Bits ANALOG INPUT Full-Scale Input Span +In – (–In) 0 VREF TT V Absolute Input Range +In –0.1 VCC + 0.1 TT V –In –0.1 +1.0 TT V Capacitance 45 T pF Leakage Current 1 T nA SYSTEM PERFORMANCE No Missing Codes 14 15 Bits Integral Linearity Error ±0.008 ±0.018 ±0.006 ±0.012 % of FSR Offset Error ±1 ±2 ±0.5 ±1mV Offset Temperature Drift ±3 T µV/°C Gain Error ±0.05 ±0.024 % Gain Temperature Drift ±0.3 T ppm/ °C Noise 20 T µVrms Power Supply Rejection Ratio +4.7V < VCC < 5.25V 3 T LSB(1) SAMPLING DYNAMICS Conversion Time 16 T Clk Cycles Acquisition Time 4.5 T Clk Cycles Throughput Rate 100 T kHz Clock Frequency Range 0.024 2.9 TT MHz DYNAMIC CHARACTERISTICS Total Harmonic Distortion VIN = 5Vp-p at 10kHz –84 –86 dB SINAD VIN = 5Vp-p at 10kHz 82 84 dB Spurious Free Dynamic Range VIN = 5Vp-p at 10kHz 84 86 dB SNR 90 92 dB REFERENCE INPUT Voltage Range 0.5 VCC TT V Resistance CS = GND, fSAMPLE = 0Hz 5 T G Ω CS = VCC 5 T G Ω Current Drain 40 80 TT µA fSAMPLE = 10kHz 0.8 T µA CS = VCC 0.1 3 T µA DIGITAL INPUT/OUTPUT Logic Family CMOS T Logic Levels: VIH IIH = +5µA 3.0 VCC + 0.3 TT V VIL IIL = +5µA –0.3 0.8 TT V VOH IOH = –250µA 4.0 T V VOL IOL = 250µA 0.4 T V Data Format Straight Binary T POWER SUPPLY REQUIREMENTS VCC Specified Performance 4.75 5.25 TT V VCC Range(2) 2.0 5.25 TT V Quiescent Current 900 1700 TT µA fSAMPLE = 10kHz(3, 4) 200 T µA Power Dissipation 4.5 8.5 TT mW Power Down CS = VCC 0.3 3 TT µA TEMPERATURE RANGE Specified Performance –40 +85 TT °C T Specifications same as ADS8320E. NOTES: (1) LSB means Least Significant Bit. (2) See Typical Performance Curves for more information. (3) fCLK = 2.4MHz, CS = VCC for 216 clock cycles out of every 240. (4) See the Power Dissipation section for more information regarding lower sample rates. |
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