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AD7273BRMZ-REEL2 Scheda tecnica(PDF) 6 Page - Analog Devices |
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AD7273BRMZ-REEL2 Scheda tecnica(HTML) 6 Page - Analog Devices |
6 / 29 page AD7273/AD7274 Rev. 0 | Page 5 of 28 AD7273 SPECIFICATIONS VDD = 2.35 V to 3.6 V, VREF = 2.35 V to VDD, fSCLK = 48 MHz, fSAMPLE = 3 MSPS, TA = TMIN to TMAX, unless otherwise noted. Table 3. Parameter B Grade1 Unit2 Test Conditions/Comments DYNAMIC PERFORMANCE fIN = 1 MHz sine wave Signal-to-Noise + Distortion (SINAD)3 61 dB min Total Harmonic Distortion (THD)3 −72 dB max −77 dB typ Peak Harmonic or Spurious Noise (SFDR)3 −80 dB typ Intermodulation Distortion (IMD) Second-Order Terms −81 dB typ fa = 1 MHz, fb = 0.97 MHz Third-Order Terms −81 dB typ fa = 1 MHz, fb = 0.97 MHz Aperture Delay 5 ns typ Aperture Jitter 18 ps typ Full Power Bandwidth 74 MHz typ @ 3 dB 10 MHz typ @ 0.1 dB Power Supply Rejection Ratio (PSRR) 82 dB typ DC ACCURACY Resolution 10 Bits Integral Nonlinearity3 ±0.5 LSB max Differential Nonlinearity3 ±0.5 LSB max Guaranteed no missed codes to 10 bits Offset Error3 ±1 LSB max Gain Error3 ±1.5 LSB max Total Unadjusted Error (TUE)3 ±2.5 LSB max ANALOG INPUT Input Voltage Range 0 to VREF V DC Leakage Current ±1 μA max −40°C to +85°C ±5.5 μA max 85°C to 125°C Input Capacitance 42 pF typ When in track 10 pF typ When in hold REFERENCE INPUT VREF Input Voltage Range 1.4 to VDD V min/V max DC leakage Current ±1 μA max Input Capacitance 20 pF typ Input Impedance 32 Ω typ LOGIC INPUTS Input High Voltage, VINH 1.7 V min 2.35 V ≤ VDD ≤ 2.7 V 2 V min 2.7 V < VDD ≤ 3.6 V Input Low Voltage, VIN 0.7 V max 2.35 V ≤ VDD< 2.7 V 0.8 V max 2.7 V ≤ VDD ≤ 3.6 V Input Current, IIN ±1 μA max Typically 10 nA, VIN = 0 V or VDD Input Capacitance, CIN4 2 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 ±2.5 μA max Floating-State Output Capacitance4 4.5 pF max Output Coding Straight (natural) binary CONVERSION RATE Conversion Time 250 ns max 12 SCLK cycles with SCLK at 48 MHz Track-and-Hold Acquisition Time3 60 ns max Throughput Rate 3.45 MSPS max See the Serial Interface section |
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