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AD7866ARU Folha de dados(PDF) 2 Page - Analog Devices |
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AD7866ARU Folha de dados(HTML) 2 Page - Analog Devices |
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2 / 20 page  REV. 0 –2– AD7866–SPECIFICATIONS1 (TA = TMIN to TMAX, VDD = 2.7 V to 5.25 V, VDRIVE = 2.7 V to 5.25 V, Reference = 2.5 V External on DCAPA and DCAPB, fSCLK = 20 MHz, unless otherwise noted.) Parameter A Version 1 B Version 1 Unit Test Conditions/Comments DYNAMIC PERFORMANCE Signal to Noise + Distortion (SINAD) 2 68 68 dB min fIN = 300 kHz Sine Wave, fS = 1 MSPS Total Harmonic Distortion (THD)2 –75 –75 dB max fIN = 300 kHz Sine Wave, fS = 1 MSPS Peak Harmonic or Spurious Noise (SFDR) 2 –76 –76 dB max fIN = 300 kHz Sine Wave, fS = 1 MSPS Intermodulation Distortion (IMD) 2 Second Order Terms –88 –88 dB typ Third Order Terms –88 –88 dB typ Channel to Channel Isolation –88 –88 dB typ SAMPLE AND HOLD Aperture Delay 3 10 10 ns max Aperture Jitter 3 50 50 ps typ Aperture Delay Matching3 200 200 ps max Full Power Bandwidth 12 12 MHz typ @ 3 dB 2 2 MHz typ @ 0.1 dB DC ACCURACY Resolution 12 12 Bits Integral Nonlinearity ±1.5 ±1LSB max B Grade, 0 V to VREF range only; ±0.5 LSB typ ± 1.5 LSB max 0 V to 2 × VREF range; ± 0.5 LSB typ Differential Nonlinearity –0.95/+1.25 –0.95/+1.25 LSB max Guaranteed No Missed Codes to 12 Bits 0 V to VREF Input Range Straight Binary Output Coding Offset Error ±8 ±8LSB max Offset Error Match ±1.2 ±1.2 LSB typ Gain Error ±2.5 ±2.5 LSB max Gain Error Match ±0.2 ±0.2 LSB typ 2 × VREF Input Range –VREF to +VREF Biased about VREF with Positive Gain Error ±2.5 ±2.5 LSB max Two’s Complement Output Coding Zero Code Error ±8 ±8LSB max Zero Code Error Match ±0.2 ±0.2 LSB typ Negative Gain Error ±2.5 ±2.5 LSB max ANALOG INPUT Input Voltage Ranges 0 to VREF 0 to VREF V RANGE Pin Low upon CS Falling Edge 0 to 2 × V REF 0 to 2 × V REF V RANGE Pin High upon CS Falling Edge DC Leakage Current ±500 ±500 nA max Input Capacitance 30 30 pF typ When in Track 10 10 pF typ When in Hold REFERENCE INPUT/OUTPUT Reference Input Voltage 2.5 2.5 V ±1% for Specified Performance Reference Input Voltage Range 4 2/3 2/3 V min/V max REF SELECT Pin Tied High DC Leakage Current ±30 ±30 µA max VREF Pin; ±160 ±160 µA max DCAPA, DCAPB Pins; Input Capacitance 20 20 pF typ Reference Output Voltage 5 2.45/2.55 2.45/2.55 V min/V max VREF Output Impedance 6 25 25 Ω typ VDD = 5 V 45 45 Ω typ VDD = 3 V Reference Temperature Coefficient 50 50 ppm/ °C typ REF OUT Error (TMIN to TMAX) ±15 ±15 mV typ LOGIC INPUTS Input High Voltage, VINH 0.7 VDRIVE 0.7 VDRIVE V min Input Low Voltage, VINL 0.3 VDRIVE 0.3 VDRIVE V max Input Current, IIN ±1 ±1 µA max Typically 15 nA, VIN = 0 V or VDRIVE Input Capacitance, CIN 3 10 10 pF max LOGIC OUTPUTS Output High Voltage, VOH VDRIVE – 0.2 VDRIVE – 0.2 V min ISOURCE = 200 µA Output Low Voltage, VOL 0.4 0.4 V max ISINK = 200 µA Floating-State Leakage Current ±1 ±1 µA max VDD = 2.7 V to 5.25 V Floating-State Output Capacitance 3 10 10 pF max Output Coding Straight (Natural) Binary Selectable with Either Input Range Two’s Complement |
Nº de peça semelhante - AD7866ARU |
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Descrição semelhante - AD7866ARU |
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