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EVAL-AD7482CB Datasheet(PDF) 2 Page - Analog Devices |
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EVAL-AD7482CB Datasheet(HTML) 2 Page - Analog Devices |
2 / 16 page REV. 0 –2– AD7482–SPECIFICATIONS1 (VDD = 5 V ± 5%, AGND = DGND = 0 V, VREF = External, fSAMPLE = 3 MSPS; all specifi- cations TMIN to TMAX and valid for VDRIVE = 2.7 V to 5.25 V, unless otherwise noted.) Parameter Specification Unit Test Conditions/Comments DYNAMIC PERFORMANCE 2, 3 Signal-to-Noise + Distortion (SINAD) 4 71 dB min FIN = 1 MHz 72 dB typ FIN = 1 MHz 71 dB typ FIN = 1 MHz, Internal Reference Total Harmonic Distortion (THD) 4 –86 dB max –90 dB typ –88 dB typ Internal Reference Peak Harmonic or Spurious Noise (SFDR) 4 –87 dB max Intermodulation Distortion (IMD) 4 Second Order Terms –96 dB typ FIN1 = 95.053 kHz, FIN2 = 105.329 kHz Third Order Terms –94 dB typ Aperture Delay 10 ns typ Full-Power Bandwidth 40 MHz typ @ 3 dB 3.5 MHz typ @ 0.1 dB DC ACCURACY Resolution 12 Bits Integral Nonlinearity 4 ±0.5 LSB max B Grade ±1 LSB max A Grade ±0.25 LSB typ Differential Nonlinearity 4 ±0.5 LSB max Guaranteed No Missed Codes to 12 Bits ±0.25 LSB typ Offset Error 4 ±1.5 LSB max 0.036 %FSR max Gain Error 4 ±1.5 LSB max 0.036 %FSR max ANALOG INPUT Input Voltage –200 mV min +2.7 V max DC Leakage Current ±1 µA max VIN from 0 V to 2.7 V ±2 µA typ VIN = –200 mV Input Capacitance 5 35 pF typ REFERENCE INPUT/OUTPUT VREFIN Input Voltage +2.5 V ±1% for Specified Performance VREFIN Input DC Leakage Current ±1 µA max VREFIN Input Capacitance 5 25 pF typ VREFIN Input Current 220 µA typ External Reference VREFOUT Output Voltage +2.5 V typ VREFOUT Error @ 25 °C ±50 mV typ VREFOUT Error TMIN to TMAX ±100 mV max VREFOUT Output Impedance 1 Ω typ LOGIC INPUTS Input High Voltage, VINH VDRIVE –1V min Input Low Voltage, VINL 0.4 V max Input Current, IIN ±1 µA max Input Capacitance, CIN 5 10 pF max LOGIC OUTPUTS Output High Voltage, VOH 0.7 × V DRIVE V min Output Low Voltage, VOL 0.3 × VDRIVE V max Floating-State Leakage Current ±10 µA max Floating-State Output Capacitance 5 10 pF max Output Coding Straight (Natural) Binary CONVERSION RATE Conversion Time 300 ns max Track-and-Hold Acquisition Time(tACQ)70 ns max Sine Wave Input 70 ns max Full-Scale Step Input Throughput Rate 2.5 MSPS max Parallel Mode 1 3MSPS max Parallel Mode 2 |
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