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AD7482 Datasheet(PDF) 3 Page - Analog Devices |
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AD7482 Datasheet(HTML) 3 Page - Analog Devices |
3 / 20 page AD7482 Rev. B | Page 3 of 20 SPECIFICATIONS AVDD/DVDD = 5 V ± 5%, AGND = DGND = 0 V, VREF = external, fSAMPLE = 3 MSPS; all specifications TMIN to TMAX and valid for VDRIVE = 2.7 V to 5.25 V, unless otherwise noted. The operating temperature range is −40°C to +85°C. Table 1. Parameter Min Typ Max Unit Test Conditions/Comments DYNAMIC PERFORMANCE1, 2 Signal-to-Noise + Distortion (SINAD)3 71 dB fIN = 1 MHz 72 dB fIN = 1 MHz 71 dB fIN = 1 MHz, internal reference Total Harmonic Distortion (THD)3 −86 dB −90 dB −88 dB Internal reference Peak Harmonic or Spurious Noise (SFDR)3 −87 dB Intermodulation Distortion (IMD)3 Second Order Terms −96 dB fIN1 = 95.053 kHz, fIN2 = 105.329 kHz Third Order Terms −94 dB Aperture Delay 10 ns Full Power Bandwidth 40 MHz @ 3 dB 3.5 MHz @ 0.1 dB DC ACCURACY Resolution 12 Bits Integral Nonlinearity3 ±0.5 LSB B Grade ±0.25 ±1 LSB A Grade Differential Nonlinearity3 ±0.25 ±0.5 LSB Guaranteed no missed codes to 12 bits Offset Error3 ±1.5 LSB 0.036 %FSR Gain Error3 ±1.5 LSB 0.036 %FSR ANALOG INPUT Input Voltage −200 mV +2.7 V DC Leakage Current ±1 μA VIN from 0 V to 2.7 V ±2 μA VIN = −200 mV Input Capacitance4 35 pF REFERENCE INPUT/OUTPUT Input Voltage, VREFIN +2.5 V ±1% for specified performance Input DC Leakage Current, VREFIN ±1 μA Input Capacitance, VREFIN4 25 pF Input Current, VREFIN 220 μA External reference Output Voltage, VREFOUT +2.5 V Error @ 25°C, VREFOUT ±50 mV Error TMIN to TMAX, VREFOUT ±100 mV Output Impedance, VREFOUT 1 Ω |
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