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AD9744ARU 数据表(PDF) 4 Page - Analog Devices |
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AD9744ARU 数据表(HTML) 4 Page - Analog Devices |
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4 / 32 page  AD9744 Rev. B | Page 4 of 32 DYNAMIC SPECIFICATIONS TMIN to TMAX, AVDD = 3.3 V, DVDD = 3.3 V, CLKVDD = 3.3 V, IOUTFS = 20 mA, differential transformer coupled output, 50 Ω doubly terminated, unless otherwise noted. Table 2. Parameter Min Typ Max Unit DYNAMIC PERFORMANCE Maximum Output Update Rate (fCLOCK) 210 MSPS Output Settling Time (tST) (to 0.1%)1 11 ns Output Propagation Delay (tPD) 1 ns Glitch Impulse 5 pV-s Output Rise Time (10% to 90%)1 2.5 ns Output Fall Time (10% to 90%)1 2.5 ns Output Noise (IOUTFS = 20 mA)2 50 pA/√Hz Output Noise (IOUTFS = 2 mA)2 30 pA/√Hz Noise Spectral Density3 −155 dBm/Hz AC LINEARITY Spurious-Free Dynamic Range to Nyquist fCLOCK = 25 MSPS; fOUT = 1.00 MHz 0 dBFS Output 77 90 dBc −6 dBFS Output 87 dBc −12 dBFS Output 82 dBc −18 dBFS Output 82 dBc fCLOCK = 65 MSPS; fOUT = 1.00 MHz 85 dBc fCLOCK = 65 MSPS; fOUT = 2.51 MHz 84 dBc fCLOCK = 65 MSPS; fOUT = 10 MHz 80 dBc fCLOCK = 65 MSPS; fOUT = 15 MHz 75 dBc fCLOCK = 65 MSPS; fOUT = 25 MHz 74 dBc fCLOCK = 165 MSPS; fOUT = 21 MHz 73 dBc fCLOCK = 165 MSPS; fOUT = 41 MHz 60 dBc fCLOCK = 210 MSPS; fOUT = 41 MHz 68 dBc fCLOCK = 210 MSPS; fOUT = 69 MHz 64 dBc Spurious-Free Dynamic Range Within a Window fCLOCK = 25 MSPS; fOUT = 1.00 MHz; 2 MHz Span 84 90 dBc fCLOCK = 50 MSPS; fOUT = 5.02 MHz; 2 MHz Span 90 dBc fCLOCK = 65 MSPS; fOUT = 5.03 MHz; 2.5 MHz Span 87 dBc fCLOCK = 125 MSPS; fOUT = 5.04 MHz; 4 MHz Span 87 dBc Total Harmonic Distortion fCLOCK = 25 MSPS; fOUT = 1.00 MHz −86 −77 dBc fCLOCK = 50 MSPS; fOUT = 2.00 MHz −77 dBc fCLOCK = 65 MSPS; fOUT = 2.00 MHz −77 dBc fCLOCK = 125 MSPS; fOUT = 2.00 MHz −77 dBc Signal-to-Noise Ratio fCLOCK = 65 MSPS; fOUT = 5 MHz; IOUTFS = 20 mA 82 dB fCLOCK = 65 MSPS; fOUT = 5 MHz; IOUTFS = 5 mA 88 dB fCLOCK = 125 MSPS; fOUT = 5 MHz; IOUTFS = 20 mA 77 dB fCLOCK = 125 MSPS; fOUT = 5 MHz; IOUTFS = 5 mA 78 dB fCLOCK = 165 MSPS; fOUT = 5 MHz; IOUTFS = 20 mA 70 dB fCLOCK = 165 MSPS; fOUT = 5 MHz; IOUTFS = 5 mA 70 dB fCLOCK = 210 MSPS; fOUT = 5 MHz; IOUTFS = 20 mA 74 dB fCLOCK = 210 MSPS; fOUT = 5 MHz; IOUTFS = 5 mA 67 dB |
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