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AD9481-PCB Datasheet(PDF) 3 Page - Analog Devices |
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AD9481-PCB Datasheet(HTML) 3 Page - Analog Devices |
3 / 28 page AD9481 Rev. 0 | Page 3 of 28 DC SPECIFICATIONS AVDD = 3.3 V, DRVDD = 3.3 V; TMIN = −40°C, TMAX = +85°C, AIN = −1 dBFS, full scale = 1.0 V, internal reference, differential analog and clock inputs, unless otherwise noted. Table 1. AD9481-250 Parameter Temp Test Level Min Typ Max Unit RESOLUTION 8 Bits ACCURACY No Missing Codes Full VI Guaranteed Offset Error 25°C I −40 40 mV Gain Error1 25°C I −6.0 6.0 % FS Differential Nonlinearity (DNL) Full VI −0.85 ±0.35 0.85 LSB Integral Nonlinearity (INL) Full VI −0.9 ±0.26 0.9 LSB TEMPERATURE DRIFT Offset Error Full V 30 µV/°C Gain Error Full V 0.03 % FS/°C Reference Full V ±0.025 mV/°C REFERENCE Internal Reference Voltage Full VI 0.97 1.0 1.03 V Output Current2 25°C IV 1.5 mA IVREF Input Current3 25°C I 100 µA ISENSE Input Current2 25°C I 10 µA ANALOG INPUTS (VIN+, VIN−) Differential Input Voltage Range4 Full V 1 V p-p Common-Mode Voltage Full VI 1.6 1.9 2.1 V Input Resistance Full VI 8.4 10 11.2 kΩ Input Capacitance 25°C V 4 pF Analog Bandwidth, Full Power 25°C V 750 MHz POWER SUPPLY AVDD Full IV 3.0 3.3 3.6 V DRVDD Full IV 3.0 3.3 3.6 V Supply Currents IAVDD5 Full VI 133 145 mA IDRVDD5 Full VI 39 42.5 mA Power Dissipation5 25°C V 439 mW Power-Down Dissipation 25°C V 15 37 mW Power Supply Rejection Ratio (PSRR) 25°C V −4.2 mV/V 1 Gain error and gain temperature coefficients are based on the ADC only (with a fixed 1 V external reference and 1 V p-p input range). 2 Internal reference mode; SENSE = AGND. 3 External reference mode; VREF driven by external 1.0 V reference; SENSE = AVDD. 4 In FS = 1 V, both analog inputs are 500 mV p-p and out of phase with each other. 5 Supply current measured with rated encode and a 20 MHz analog input. Power dissipation measured with dc input, see the T section for power vs. clock rate. erminology |
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