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AD9765AST 数据表(PDF) 6 Page - Analog Devices |
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AD9765AST 数据表(HTML) 6 Page - Analog Devices |
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6 / 44 page  AD9763/AD9765/AD9767 Data Sheet Rev. G | Page 6 of 44 DYNAMIC SPECIFICATIONS TMIN to TMAX, AVDD = 3.3 V or 5 V, DVDD1 = DVDD2 = 3.3 V or 5 V, IOUTFS = 20 mA, differential transformer-coupled output, 50 Ω doubly terminated, unless otherwise noted. Table 2. AD9763 AD9765 AD9767 Parameter Min Typ Max Min Typ Max Min Typ Max Unit DYNAMIC PERFORMANCE Maximum Output Update Rate (fCLK) 125 125 125 MSPS Output Settling Time (tST) to 0.1%1 35 35 35 ns Output Propagation Delay (tPD) 1 1 1 ns Glitch Impulse 5 5 5 pV-s Output Rise Time (10% to 90%)1 2.5 2.5 2.5 ns Output Fall Time (90% to 10%)1 2.5 2.5 2.5 ns Output Noise (IOUTFS = 20 mA) 50 50 50 pA/√Hz Output Noise (IOUTFS = 2 mA) 30 30 30 pA/√Hz AC LINEARITY Spurious-Free Dynamic Range to Nyquist fCLK = 100 MSPS, fOUT = 1.00 MHz 0 dBFS Output 69 78 70 81 71 82 dBc –6 dBFS Output 74 77 77 dBc –12 dBFS Output 69 72 73 dBc –18 dBFS Output 61 70 70 dBc fCLK = 65 MSPS, fOUT = 1.00 MHz 79 81 82 dBc fCLK = 65 MSPS, fOUT = 2.51 MHz 78 79 80 dBc fCLK = 65 MSPS, fOUT = 5.02 MHz 75 78 79 dBc fCLK = 65 MSPS, fOUT = 14.02 MHz 66 68 70 dBc fCLK = 65 MSPS, fOUT = 25 MHz 55 55 55 dBc fCLK = 125 MSPS, fOUT = 25 MHz 67 67 67 dBc fCLK = 125 MSPS, fOUT = 40 MHz 60 60 70 dBc Spurious-Free Dynamic Range Within a Window fCLK = 100 MSPS, fOUT = 1.00 MHz; 2 MHz Span 78 85 80 90 82 91 dBc fCLK = 50 MSPS, fOUT = 5.02 MHz; 10 MHz Span 80 88 88 dBc fCLK = 65 MSPS, fOUT = 5.03 MHz; 10 MHz Span 82 88 88 dBc fCLK = 125 MSPS, fOUT = 5.04 MHz; 10 MHz Span 82 88 88 dBc Total Harmonic Distortion fCLK = 100 MSPS, fOUT = 1.00 MHz −77 −69 −80 –70 −81 −71 dBc fCLK = 50 MSPS, fOUT = 2.00 MHz −77 −78 −79 dBc fCLK = 125 MSPS, fOUT = 4.00 MHz −74 −75 −83 dBc fCLK = 125 MSPS, fOUT = 10.00 MHz −72 −75 −80 dBc Multitone Power Ratio (Eight Tones at 110 kHz Spacing) fCLK = 65 MSPS, fOUT = 2.00 MHz to 2.99 MHz 0 dBFS Output 76 80 80 dBc −6 dBFS Output 74 79 79 dBc −12 dBFS Output 71 77 78 dBc −18 dBFS Output 67 75 76 dBc Channel Isolation fCLK = 125 MSPS, fOUT = 10 MHz 85 85 85 dBc fCLK = 125 MSPS, fOUT = 40 MHz 77 77 77 dBc 1 Measured single-ended into 50 Ω load. |
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