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AD9142BCPZ Arkusz danych(PDF) 7 Page - Analog Devices |
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AD9142BCPZ Arkusz danych(HTML) 7 Page - Analog Devices |
7 / 65 page Data Sheet AD9142 Rev. 0 | Page 7 of 64 DAC LATENCY SPECIFICATIONS TMIN to TMAX, AVDD33 = 3.3 V, DVDD18 = 1.8 V, CVDD18 = 1.8 V, IOUTFS = 20 mA, FIFO level is set to 4 (half of the FIFO depth), unless otherwise noted. Table 3. Parameter Test Conditions/Comments Min Typ Max Unit WORD INTERFACE MODE Fine/coarse modulation, inverse sinc, gain/phase compensation off 2× Interpolation 134 DACCLK cycles 4× Interpolation 244 DACCLK cycles 8× Interpolation 481 DACCLK cycles BYTE INTERFACE MODE Fine/coarse modulation, inverse sinc, gain/phase compensation off 2× Interpolation 145 DACCLK cycles 4× Interpolation 271 DACCLK cycles 8× Interpolation 506 DACCLK cycles INDIVIDUAL FUNCTION BLOCKS Modulation Fine 17 DACCLK cycles Coarse 10 DACCLK cycles Inverse Sinc 20 DACCLK cycles Phase Compensation 12 DACCLK cycles Gain Compensation 16 DACCLK cycles LATENCY VARIATION SPECIFICATIONS1 Table 4. Parameter Min Typ Max Unit DAC LATENCY VARIATION SYNC Off 2 DACCLK cycles SYNC On 1 DACCLK cycles 1 DAC latency is defined as the elapsed time from a data sample clocked at the input to the AD9142 until the analog output begins to change. AC SPECIFICATIONS TMIN to TMAX, AVDD33 = 3.3 V, DVDD18 = 1.8 V, CVDD18 = 1.8 V, IOUTFS = 20 mA, maximum sample rate, unless otherwise noted. Table 5. Parameter Test Conditions/Comments Min Typ Max Unit SPURIOUS-FREE DYNAMIC RANGE (SFDR) −14 dBFS single tone fDAC = 737.28 MSPS fOUT = 200 MHz BW = 125 MHz 85 dBc BW = 270 MHz 80 dBc fDAC = 983.04 MSPS fOUT = 200 MHz BW = 360MHz 85 dBc fDAC = 1228.8 MSPS fOUT = 280 MHz BW = 200MHz 85 dBc BW = 500MHz 75 dBc fDAC = 1474.56 MSPS BW = 737MHz fOUT = 10 MHz 85 dBc BW = 400MHz fOUT = 280 MHz 80 dBc TWO-TONE INTERMODULATION DISTORTION (IMD) −6 dBFS each tone fDAC = 737.28 MSPS fOUT = 200 MHz 80 dBc fDAC = 983.04 MSPS fOUT = 200 MHz 82 dBc fDAC = 1228.8 MSPS fOUT = 280 MHz 80 dBc fDAC = 1474.56 MSPS fOUT = 10 MHz 85 dBc fOUT = 280 MHz 79 dBc |
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