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AD9740-EB Arkusz danych(PDF) 3 Page - Analog Devices |
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AD9740-EB Arkusz danych(HTML) 3 Page - Analog Devices |
3 / 20 page REV. 0 –3– AD9740 DYNAMIC SPECIFICATIONS Parameter Min Typ Max Unit DYNAMIC PERFORMANCE Maximum Output Update Rate (fCLOCK) 165 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 Density 3 –143 dBm/Hz AC LINEARITY Spurious-Free Dynamic Range to Nyquist fCLOCK = 25 MSPS; fOUT = 1.00 MHz 0 dBFS Output 71 79 dBc –6 dBFS Output 75 dBc –12 dBFS Output 67 dBc –18 dBFS Output 61 dBc fCLOCK = 65 MSPS; fOUT = 1.00 MHz 84 dBc fCLOCK = 65 MSPS; fOUT = 2.51 MHz 80 dBc fCLOCK = 65 MSPS; fOUT = 10 MHz 78 dBc fCLOCK = 65 MSPS; fOUT = 15 MHz 76 dBc fCLOCK = 65 MSPS; fOUT = 25 MHz 75 dBc fCLOCK = 165 MSPS; fOUT = 21 MHz 70 dBc fCLOCK = 165 MSPS; fOUT = 41 MHz 60 dBc Spurious-Free Dynamic Range within a Window fCLOCK = 25 MSPS; fOUT = 1.00 MHz; 2 MHz Span 80 dBc fCLOCK = 50 MSPS; fOUT = 5.02 MHz; 2 MHz Span 90 dBc fCLOCK = 65 MSPS; fOUT = 5.03 MHz; 2.5 MHz Span 90 dBc fCLOCK = 125 MSPS; fOUT = 5.04 MHz; 4 MHz Span 90 dBc Total Harmonic Distortion fCLOCK = 25 MSPS; fOUT = 1.00 MHz –79 –71 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 70 dB fCLOCK = 65 MSPS; fOUT = 5 MHz; IOUTFS = 5 mA 81 dB fCLOCK = 125 MSPS; fOUT = 5 MHz; IOUTFS = 20 mA 65 dB fCLOCK = 125 MSPS; fOUT = 5 MHz; IOUTFS = 5 mA 76 dB fCLOCK = 165 MSPS; fOUT = 5 MHz; IOUTFS = 20 mA 64 dB fCLOCK = 165 MSPS; fOUT = 5 MHz; IOUTFS = 5 mA 71 dB Multitone Power Ratio (8 Tones at 400 kHz Spacing) fCLOCK = 78 MSPS; fOUT = 15.0 MHz to 18.2 MHz 0 dBFS Output 65 dBc –6 dBFS Output 66 dBc –12 dBFS Output 60 dBc –18 dBFS Output 55 dBc NOTES 1Measured single-ended into 50 Ω load. 2Output noise is measured with a full-scale output set to 20 mA with no conversion activity. It is a measure of the thermal noise only. 3Noise spectral density is the average noise power normalized to a 1 Hz bandwidth, with the DAC converting and producing an output tone. Specifications subject to change without notice. (TMIN to TMAX, AVDD = 3.3 V, DVDD = 3.3 V, IOUTFS = 20 mA, Differential Transformer Coupled Output, 50 Doubly terminated, unless otherwise noted.) |
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