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AD9546/PCBZ 数据表(PDF) 17 Page - Analog Devices |
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AD9546/PCBZ 数据表(HTML) 17 Page - Analog Devices |
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17 / 205 page  Data Sheet AD9546 Rev. 0 | Page 17 of 205 DISTRIBUTION CLOCK OUTPUTS Table 11. Parameter Min Typ Max Unit Test Conditions/Comments DIFFERENTIAL MODE All testing is both ac-coupled and dc-coupled Output Frequency Frequency range determined by driver functionality; actual frequency synthesis may be limited by the APLL VCO frequency range CML 1 500 × 106 Hz Terminated per Figure 40 High Speed Current Steering Logic (HCSL) 1 500 × 106 Hz Terminated per Figure 39 Differential Output Voltage Swing Voltage between output pins measured with output driver static; peak-to-peak differential output amplitude is twice that shown when driver is toggling and measured using a differential probe Output Current = 7.5 mA HCSL 312 368 402 mV Terminated per Figure 39 CML 257 348 408 mV Terminated to VDD (nominal 1.8 V) per Figure 40 Output Current = 15 mA HCSL 631 745 809 mV Terminated per Figure 39 CML 578 729 818 mV Terminated to VDD (nominal 1.8 V) per Figure 40 Common-Mode Output Voltage Output Current = 7.5 mA HCSL 155 184 201 mV Terminated per Figure 39 CML VDD − 208 VDD − 188 VDD − 169 mV Terminated to VDD (nominal 1.8 V) per Figure 40 (maximum common-mode voltage case occurs at the minimum amplitude) Output Current = 15 mA HCSL 316 372 405 mV Terminated per Figure 39 CML VDD − 416 VDD − 371 VDD − 327 mV Terminated to VDD (nominal 1.8 V) per Figure 40 (maximum common-mode voltage case occurs at the minimum amplitude) Rise/Fall Time Rise/fall times measured on a 50 MHz output signal (parasitic load ≈ 5 pF) HCSL 7.5 mA Drive Current 228 342 ps 15 mA Drive Current 218 340 ps CML 7.5 mA Drive Current 205 323 ps 15 mA Drive Current 185 303 ps Duty Cycle HCSL Frequency with 7.5 mA Drive Current ≤100 MHz 47.5 50 52.5 % 500 MHz 43.8 50 55 % Frequency with 15 mA Drive Current ≤100 MHz 47.5 50 52.5 % 500 MHz 46.5 50 52.5 % CML Frequency with 7.5 mA Drive Current ≤100 MHz 47.5 50 52.5 % 500 MHz 45 50 55 % Frequency with 15 mA Drive Current ≤100 MHz 47.5 50 52.5 % 500 MHz 45 50 54 % |
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