Datasheet AD9243 (Analog Devices) - 4

AD9243 (AVDD AC SPECIFICATIONS = +5 V, DVDD= +5 V, DRVDD = +5 V, fSAMPLE = 3 MSPS, VREF = 2.5 V, AIN = –0.5 dBFS, AC Coupled/ Differential Input, TMIN to TMAX unless otherwise noted) Parameter AD9243 Units
SIGNAL-TO-NOISE AND DISTORTION RATIO (S/N+D) fINPUT = 500 kHz 75.0 dB min 79.0 dB typ fINPUT = 1.5 MHz 77.0 dB typ EFFECTIVE NUMBER OF BITS (ENOB) fINPUT = 500 kHz 12.3 Bits min 12.8 Bits typ fINPUT = 1.5 MHz 12.5 Bits typ SIGNAL-TO-NOISE RATIO (SNR) fINPUT = 500 kHz 76.0 dB min 80.0 dB typ fINPUT = 1.5 MHz 79.0 dB typ TOTAL HARMONIC DISTORTION (THD) fINPUT = 500 kHz –78.0 dB max –87.0 dB typ fINPUT = 1.5 MHz –82.0 dB typ SPURIOUS FREE DYNAMIC RANGE fINPUT = 500 kHz 91.0 dB typ fINPUT = 1.5 MHz 84.0 dB typ DYNAMIC PERFORMANCE Full Power Bandwidth 40 MHz typ Small Signal Bandwidth 40 MHz typ Aperture Delay 1 ns typ Aperture Jitter 4 ps rms typ Acquisition to Full-Scale Step (0.0025%) 80 ns typ Overvoltage Recovery Time 167 ns typ Specifications subject to change without notice.
DIGITAL SPECIFICATIONS (AVDD = +5 V, DVDD = +5 V, TMIN to TMAX unless otherwise noted) Parameters Symbol AD9243 Units
LOGIC INPUTS High Level Input Voltage VIH +3.5 V min Low Level Input Voltage VIL +1.0 V max High Level Input Current (V ± IN = DVDD) IIH 10 µA max Low Level Input Current (V ± IN = 0 V) IIL 10 µA max Input Capacitance CIN 5 pF typ LOGIC OUTPUTS (with DRVDD = 5 V) High Level Output Voltage (IOH = 50 µA) VOH +4.5 V min High Level Output Voltage (IOH = 0.5 mA) VOH +2.4 V min Low Level Output Voltage (IOL = 1.6 mA) VOL +0.4 V max Low Level Output Voltage (IOL = 50 µA) VOL +0.1 V max Output Capacitance COUT 5 pF typ LOGIC OUTPUTS (with DRVDD = 3 V) High Level Output Voltage (IOH = 50 µA) VOH +2.4 V min Low Level Output Voltage (IOL = 50 µA) VOL +0.7 V max Specifications subject to change without notice. REV. A –3–