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AD7450ABRT-R2 Fiches technique(PDF) 5 Page - Analog Devices |
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AD7450ABRT-R2 Fiches technique(HTML) 5 Page - Analog Devices |
5 / 28 page AD7440/AD7450A Rev. C | Page 5 of 28 AD7450A–SPECIFICATIONS Table 2. VDD = 2.7 V to 3.6 V, fSCLK = 18 MHz, fS = 1 MSPS, VREF = 2.0 V; VDD = 4.75 V to 5.25 V, fSCLK = 18 MHz, fS = 1 MSPS, VREF = 2.5 V; VCM1 = VREF A MIN MAX ; T = T to T , unless otherwise noted. Temperature range for B Version: –40°C to +85°C. Parameter Test Conditions/Comments B Version Unit DYNAMIC PERFORMANCE fIN = 100 kHz Signal-to-(Noise + Distortion) (SINAD)2 70 dB min Total Harmonic Distortion (THD)2 VDD = 4.75 V to 5.25 V, –86 dB typ –76 dB max VDD = 2.7 V to 3.6 V, –84 dB typ –74 dB max Peak Harmonic or Spurious Noise2 VDD = 4.75 V to 5.25 V, –86 dB typ –76 dB max VDD = 2.7 V to 3.6 V, –84 dB typ –74 dB max Intermodulation Distortion (IMD)2 fa = 90 kHz, fb = 110 kHz Second-Order Terms –89 dB typ Third-Order Terms –89 dB typ Aperture Delay2 5 ns typ Aperture Jitter2 50 ps typ Full Power Bandwidth2, 3 @ –3 dB 20 MHz typ @ –0.1 dB 2.5 MHz typ DC ACCURACY Resolution 12 Bits Integral Nonlinearity (INL)2 ±1 LSB max Differential Nonlinearity (DNL)2 Guaranteed no missed codes to 12 bits ±0.95 LSB max Zero-Code Error2 ±6 LSB max Positive Gain Error2 ±2 LSB max Negative Gain Error2 ±2 LSB max ANALOG INPUT Full-Scale Input Span 2 × VREF 4 VIN+ – VIN– V Absolute Input Voltage VIN+ VCM = VREF VCM ± VREF/2 V VIN– VCM = VREF VCM ± VREF/2 V DC Leakage Current ±1 μA max Input Capacitance When in track-and-hold 30/10 pF typ REFERENCE INPUT VREF Input Voltage VDD = 4.75 V to 5.25 V (±1% tolerance for specified performance) 2.55 V VDD = 2.7 V to 3.6 V (±1% tolerance for specified performance) 2.06 V DC Leakage Current ±1 μA max VREF Input Capacitance When in track-and-hold 10/30 pF typ LOGIC INPUTS Input High Voltage, VINH 2.4 V min Input Low Voltage, VINL 0.8 V max Input Current, IIN Typically 10 nA, VIN = 0 V or VDD ±1 μA max Input Capacitance, CIN7 10 pF max LOGIC OUTPUTS Output High Voltage, VOH VDD = 4.75 V to 5.25 V; ISOURCE = 200 μA 2.8 V min VDD = 2.7 V to 3.6 V; ISOURCE = 200 μA 2.4 V min Output Low Voltage, VOL ISINK = 200 μA 0.4 V max Floating-State Leakage Current ±1 μA max Floating-State Output Capacitance7 10 pF max Output Coding Twos complement |
Numéro de pièce similaire - AD7450ABRT-R2 |
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Description similaire - AD7450ABRT-R2 |
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