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AD9783 数据表(PDF) 4 Page - Analog Devices |
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AD9783 数据表(HTML) 4 Page - Analog Devices |
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4 / 36 page  AD9780/AD9781/AD9783 Rev. A | Page 4 of 36 DIGITAL SPECIFICATIONS TMIN to TMAX, AVDD33 = 3.3 V, DVDD33 = 3.3 V, DVDD18 = 1.8 V, CVDD18 = 1.8 V, IOUTFS = 20 mA maximum sample rate, unless otherwise noted. Table 2. Parameter Min Typ Max Unit DAC CLOCK INPUT (CLKP, CLKN) Peak-to-Peak Voltage at CLKP and CLKN 400 800 1600 mV Common-Mode Voltage 300 400 500 mV Maximum Clock Rate 500 MSPS SERIAL PERIPHERAL INTERFACE (CMOS INTERFACE) Maximum Clock Rate (SCLK) 40 MHz Minimum Pulse Width High 12.5 ns Minimum Pulse Width Low 12.5 ns DIGITAL INPUT DATA (LVDS INTERFACE) Input Voltage Range, VIA or VIB 800 1600 mV Input Differential Threshold, VIDTH −100 +100 mV Input Differential Hysteresis, VIDTHH to VIDTHL 20 mV Input Differential Input Impedance, RIN 80 120 Ω Maximum LVDS Input Rate (per DAC) 500 MSPS AC SPECIFICATIONS TMIN to TMAX, AVDD33 = 3.3 V, DVDD33 = 3.3 V, DVDD18 = 1.8 V, CVDD18 = 1.8 V, IOUTFS = 20 mA, maximum sample rate, unless otherwise noted. Table 3. Parameter AD9780 AD9781 AD9783 Unit Min Typ Max Min Typ Max Min Typ Max SPURIOUS FREE DYNAMIC RANGE (SFDR) fDAC = 500 MSPS, fOUT = 20 MHz 79 78 80 dBc fDAC = 500 MSPS, fOUT = 120 MHz 67 66 68 dBc fDAC = 500 MSPS, fOUT = 380 MHz (Mix Mode) 55 58 62 dBc fDAC = 500 MSPS, fOUT = 480 MHz (Mix Mode) 58 62 59 dBc TWO-TONE INTERMODULATION DISTORTION (IMD) fDAC = 500 MSPS, fOUT = 20 MHz 91 93 86 dBc fDAC = 500 MSPS, fOUT = 120 MHz 80 75 79 dBc fDAC = 500 MSPS, fOUT = 380 MHz (Mix Mode) 69 70 64 dBc fDAC = 500 MSPS, fOUT = 480 MHz (Mix Mode) 60.5 61.5 66 dBc ONE-TONE NOISE SPECTRAL DENSITY (NSD) fDAC = 500 MSPS, fOUT = 40 MHz −157 −162 −165 dBc fDAC = 500 MSPS, fOUT = 120 MHz −154.5 −156.5 −157 dBc fDAC = 500 MSPS, fOUT = 380 MHz (Mix Mode) −153 −153 −154 dBc fDAC = 500 MSPS, fOUT = 480 MHz (Mix Mode) −152 −152 −153 dBc W-CDMA ADJACENT CHANNEL LEAKAGE RATIO (ACLR), SINGLE CARRIER fDAC = 491.52 MSPS, fOUT = 20 MHz −81 −82.5 −82 dBc fDAC = 491.52 MSPS, fOUT = 80 MHz −80 −82.5 −81 dBc fDAC = 491.52 MSPS, fOUT = 411.52 MHz −71 −68 −69 dBc fDAC = 491.52 MSPS, fOUT = 471.52 MHz −69 −69 −70 dBc |
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