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AD7273BRM Datenblatt(PDF) 4 Page - Analog Devices |
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AD7273BRM Datenblatt(HTML) 4 Page - Analog Devices |
4 / 20 page –4– REV. PrB PRELIMINARYTECHNICALDATA AD7274-SPECIFICATIONS Parameter B Grade 1 Units Test Conditions/Comments DYNAMIC PERFORMANCE fIN = 1 MHz Sine Wave Signal-to-Noise + Distortion (SINAD) 2 70 dB min Signal-to-Noise Ratio (SNR) 71 dB min Total Harmonic Distortion (THD) 2 -80 dB typ Peak Harmonic or Spurious Noise (SFDR) 2 -82 dB typ Intermodulation Distortion (IMD) 2 Second Order Terms -84 dB typ fa= TBD kHz, fb= TBD kHz Third Order Term -84 dB typ fa= TBD kHz, fb= TBD kHz Aperture Delay T B D ns typ Aperture Jitter T B D ps typ Full Power Bandwidth T B D MHz typ @ 3 dB Full Power Bandwidth T B D MHz typ @ 0.1dB Power Supply Rejection Ratio (PSRR) T B D dB typ DC ACCURACY Resolution 12 Bits Integral Nonlinearity 2 ± 1 LSB max Differential Nonlinearity 2 ± 1 LSB max Guaranteed No Missed Codes to 12 Bits Offset Error 2 ±TBD LSB max Gain Error 2 ±TBD LSB max Total Unadjusted Error (TUE) 2 ±TBD LSB max ANALOG INPUT Input Voltage Range 0 to VREF Volts DC Leakage Current ±0.5 µA max Input Capacitance T B D pF typ REFERENCE INPUT VREF Input Voltage Range 1.2 to VDD Vmin/Vmax DC leakage Current ±TBD µA max Input Capacitance T B D pF max Input Impedance T B D k Ω typ LOGIC INPUTS Input High Voltage, VINH 0.7(VDD) V min 2.35V Vdd 2.7V 2 V min 2.7V < Vdd 3.6V Input Low Voltage, VINL 0.2(VDD) V max 2.35V Vdd< 2.7V 0.8 V max 2.7V Vdd 3.6V Input Current, IIN,SCLK Pin ±0.5 µA max Typically TBD nA, VIN= 0 V or VDD Input Current, IIN, CS Pin ±TBD µA max Input Capacitance, CIN 3 10 pF max LOGIC OUTPUTS Output High Voltage, VOH VDD - 0.2 V min ISOURCE= 200 µA;VDD= 2.35 V to 3.6 V Output Low Voltage, VOL 0.2 V max ISINK=200 µA Floating-State Leakage Current ±1 µA max Floating-State Output Capacitance 3 10 pF max Output Coding Straight (Natural) Binary CONVERSION RATE Conversion Time 270 ns max 14 SCLK Cycles with SCLK at 52 MHz Track/Hold Acquisition Time2 50 ns max Throughput Rate 3 MSPS max See Serial Interface Section (VDD=+2.35 V to +3.6 V, VREF= +2.5V, fSCLK=52 MHz, fSAMPLE=3MSPS unless otherwise noted; TA=TMIN to TMAX, unless otherwise noted.) NOTES 1Temperature range from –40°C to +85°C. 2See Terminology. 3Guranteed by Characterization. Specifications subject to change without notice. |
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