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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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ADS8364Y/2K датащи(PDF) 3 Page - Texas Instruments |
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ADS8364Y/2K датащи(HTML) 3 Page - Texas Instruments |
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3 / 22 page  ADS8364 3 SBAS219B www.ti.com ELECTRICAL CHARACTERISTICS Over recommended operating free-air temperature range at –40 °C to 85°C, AV DD = DVDD = 5V, BVDD = 3V, VREF = internal +2.5V, fCLK = 5MHz, fSAMPLE = 250kSPS, unless otherwise noted. ADS8364Y PARAMETER CONDITIONS MIN TYP(1) MAX UNITS ANALOG INPUT Full-Scale Range (FSR) +IN – (–IN) ±V REF V Operating Common-Mode Signal 2.2 2.8 V Input Resistance –IN = VREF 20 Ω Input Capacitance –IN = VREF 25 pF Input Leakage Current –IN = VREF ±1nA Differential Input Resistance –IN = VREF 40 Ω Differential Input Capacitance –IN = VREF 50 pF Common-Mode Rejection Ratio (CMRR) At DC 84 dB VIN = ±1.25VPP at 50kHz 80 dB Bandwith (BW) FS Sinewave, –3dB 300 MHz DC ACCURACY Resolution 16 Bits No Missing Codes (NMC) 14 Bits Integral Linearity Error (INL) ±3 ±8LSB Integral Linearity Match Only pair wise matching 1.5 LSB Differential Nonlinearity (DNL) Specified only for 14-Bit ±1.5 LSB Bipolar Offset Error (VOS) ±0.05 ±2mV Bipolar Offset Error Match Only pair wise matching 0.2 1 mV Bipolar Offset Error Drift (TCVOS) 0.8 ppm/ °C Gain Error (GERR) Referenced to VREF ±0.05 ±0.25 %FSR Gain Error Match Only pair wise matching 0.005 0.05 %FSR Gain Error Drift (TCGERR) 2 ppm/ °C Noise 120 µV RMS Power-Supply Rejection Ratio (PSRR) 4.75V < AVDD < 5.25V –87 dB SAMPLING DYNAMICS Conversion Time per ADC (tCONV) 50kHz ≤ f CLK ≤ 5MHz 3.2 320 µs Acquisition Time (tAQ)fCLK = 5MHz 800 ns Throughput Rate 250 kSPS Aperture Delay 5ns Aperture Delay Matching 100 ps Aperture Jitter 50 ps Clock Frequncy 0.05 5 MHz AC ACCURACY Total Harmonic Distortion (THD) VIN = ±2.5VPP at 100kHz –92 dB Spurous-Free Dynamic Range (SFDR) VIN = ±2.5VPP at 100kHz 93.5 dB Signal-to-Noise Ratio (SNR) VIN = ±2.5VPP at 100kHz 83.2 dB Signal-to-Noise Ratio + Distortion (SINAD) VIN = ±2.5VPP at 100kHz 82.5 dB Channel-to-Channel Isolation VIN = ±2.5VPP at 50kHz 95 dB Effective Number of Bits (ENOB) 13.3 Bits VOLTAGE REFERENCE OUTPUT Reference Voltage Output (VOUT) 2.475 2.5 2.525 V Initial Accuracy ±1% Output Voltage Temperature Drift (dVOUT/dT) ±20 ppm/ °C Output Voltage Noise f = 0.1Hz to 10Hz, CL = 10µF 40 µV PP f = 10Hz to 10kHz, CL = 10µF 8 µVRMS Power-Supply Refection Ratio (PSRR) 60 dB Output Current (IOUT)10 µA Short-Circuit Current (ISC) 0.5 mA Turn-On Settling Time to 0.1% at CL = 0 100 µs VOLTAGE REFERENCE INPUT Reference Voltage Input (VIN) 1.5 2.5 2.6 V Reference Input Resistance 100 M Ω Reference Input Capacitance 5pF Reference Input Current 1 µA NOTE: (1) All values are at TA = 25°C. |
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