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ADC08D1500EVAL Datasheet(PDF) 8 Page - National Semiconductor (TI) |
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ADC08D1500EVAL Datasheet(HTML) 8 Page - National Semiconductor (TI) |
8 / 33 page Converter Electrical Characteristics (Continued) NOTE: This product is currently in development and the parameters specified in this section are DESIGN TARGETS. The specifications in this section cannot be guaranteed until device characterization has taken place. The following specifications apply after calibration for V A =VDR = +1.9VDC, OutV = 1.9V, VIN FSR (a.c. coupled) = differential 870mVP-P,CL = 10 pF, Differential, a.c. coupled Sinewave Input Clock, f CLK = 1.5 GHz at 0.5VP-P with 50% duty cycle, VBG = Floating, Non- Extended Control Mode, SDR Mode, R EXT = 3300 Ω ±0.1%, Analog Signal Source Impedance = 100Ω Differential. Boldface limits apply for T A =TMIN to TMAX. All other limits TA = 25˚C, unless otherwise noted. (Notes 6, 7) Symbol Parameter Conditions Typical (Note 8) Limits (Note 8) Units (Limits) NORMAL MODE (Non DES) DYNAMIC CONVERTER CHARACTERISTICS SINAD Signal-to-Noise Plus Distortion Ratio f IN = 248 MHz, VIN = FSR − 0.5 dB 46.3 TBD dB (min) f IN = 498 MHz, VIN = FSR − 0.5 dB 46.3 TBD dB (min) f IN = 748 MHz, VIN = FSR − 0.5 dB 45.4 TBD dB (min) SNR Signal-to-Noise Ratio f IN = 248 MHz, VIN = FSR − 0.5 dB 47.1 TBD dB (min) f IN = 498 MHz, VIN = FSR − 0.5 dB 47.1 TBD dB (min) f IN = 748 MHz, VIN = FSR − 0.5 dB 46.3 TBD dB (min) THD Total Harmonic Distortion f IN = 248 MHz, VIN = FSR − 0.5 dB -55 -TBD dB (max) f IN = 498 MHz, VIN = FSR − 0.5 dB -55 -TBD dB (max) f IN = 748 MHz, VIN = FSR − 0.5 dB -53 -TBD dB (max) 2nd Harm Second Harmonic Distortion f IN = 248 MHz, VIN = FSR − 0.5 dB −60 dB f IN = 498 MHz, VIN = FSR − 0.5 dB −60 dB f IN = 748 MHz, VIN = FSR − 0.5 dB −60 dB 3rd Harm Third Harmonic Distortion f IN = 248 MHz, VIN = FSR − 0.5 dB −65 dB f IN = 498 MHz, VIN = FSR − 0.5 dB −65 dB f IN = 748 MHz, VIN = FSR − 0.5 dB −65 dB SFDR Spurious-Free dynamic Range f IN = 248 MHz, VIN = FSR − 0.5 dB 55 TBD dB (min) f IN = 498 MHz, VIN = FSR − 0.5 dB 55 TBD dB (min) f IN = 748 MHz, VIN = FSR − 0.5 dB 53 TBD dB (min) IMD Intermodulation Distortion f IN1 = 321 MHz, VIN =FSR−7dB f IN2 = 326 MHz, VIN =FSR−7dB -50 dB Out of Range Output Code (In addition to OR Output high) (V IN+)−(VIN−) > + Full Scale 255 (V IN+)−(VIN−) < − Full Scale 0 INTERLEAVE MODE (DES Pin 127=Float) - DYNAMIC CONVERTER CHARACTERISTICS FPBW (DES) Full Power Bandwidth Dual Edge Sampling Mode 900 MHz ENOB Effective Number of Bits f IN = 498 MHz, VIN = FSR − 0.5 dB 7.3 TBD Bits (min) f IN = 748 MHz, VIN = FSR − 0.5 dB 7.2 TBD Bits (min) SINAD Signal to Noise Plus Distortion Ratio f IN = 498 MHz, VIN = FSR − 0.5 dB 46 TBD dB (min) f IN = 748 MHz, VIN = FSR − 0.5 dB 45 TBD dB (min) SNR Signal to Noise Ratio f IN = 498 MHz, VIN = FSR − 0.5 dB 46.4 TBD dB (min) f IN = 748 MHz, VIN = FSR − 0.5 dB 45.4 TBD dB (min) THD Total Harmonic Distortion f IN = 498 MHz, VIN = FSR − 0.5 dB -58 -TBD dB (min) f IN = 748 MHz, VIN = FSR − 0.5 dB -57 -TBD dB (min) 2nd Harm Second Harmonic Distortion f IN = 498 MHz, VIN = FSR − 0.5 dB -64 dB f IN = 748 MHz, VIN = FSR − 0.5 dB -62 dB 3rd Harm Third Harmonic Distortion f IN = 498 MHz, VIN = FSR − 0.5 dB -69 dB f IN = 748 MHz, VIN = FSR − 0.5 dB -69 dB SFDR Spurious Free Dynamic Range f IN = 498 MHz, VIN = FSR − 0.5 dB 57 TBD dB (min) f IN = 748 MHz, VIN = FSR − 0.5 dB 57 TBD dB (min) www.national.com 8 |
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