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CDCM61004 Folha de dados(PDF) 6 Page - Texas Instruments |
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CDCM61004 Folha de dados(HTML) 6 Page - Texas Instruments |
6 / 34 page CDCM61004 SCAS871D – FEBRUARY 2009 – REVISED FEBRUARY 2010 www.ti.com ELECTRICAL CHARACTERISTICS (continued) At VCC = 3 V to 3.6 V, TA = –40°C to +85°C, unless otherwise noted. CDCM61004 PARAMETER TEST CONDITIONS MIN TYP MAX UNIT LVDS Output Characteristics(3) (See Figure 13 and Figure 14) fOUT Output frequency 43.75 683.264 MHz |VOD| Differential output voltage 0.247 0.454 V ΔVOD VDD magnitude change 50 mV VOS Common-mode voltage 1.125 1.375 V ΔVOS VOS magnitude change 50 mV tRJIT RMS phase jitter 625 MHz (10 kHz to 20 MHz) 0.73 ps, RMS tR/tF Output rise/fall time 20% to 80% 255 ps ODC Output duty cycle 45 55 % tSKEW Skew between outputs 40 ps ICC, LVDS Device current, LVDS fIN = 25 MHz, fOUT = 625 MHz 150 195 mA (3) Figure 13 and Figure 14 show dc and ac test setups, respectively. Jitter measurements made using 25-MHz quartz crystal in. TYPICAL OUTPUT PHASE NOISE CHARACTERISTICS Over operating free-air temperature range (unless otherwise noted). CDCM61004 PARAMETER TEST CONDITIONS MIN TYP MAX UNIT 250-MHz LVCMOS Output(1) (see Figure 10) phn100 Phase noise at 100-Hz offset –95 dBc/Hz phn1k Phase noise at 1-kHz offset –110 dBc/Hz phn10k Phase noise at 10-kHz offset –117 dBc/Hz phn100k Phase noise at 100-kHz offset –120 dBc/Hz phn1M Phase noise at 1-MHz offset –135 dBc/Hz phn10M Phase noise at 10-MHz offset –148 dBc/Hz phn20M Phase noise at 20-MHz offset –148 dBc/Hz tRJIT RMS phase jitter from 10 kHz to 20 MHz 544 fs, RMS tPJIT Total period jitter 27.4 ps, PP Start-up time, power supply ramp time of 1 ms, tSTARTUP 2.25 ms final frequency accuracy of ±10 ppm 625-MHz LVPECL Output(2) (see Figure 12) phn100 Phase noise at 100-Hz offset –81 dBc/Hz phn1k Phase noise at 1-kHz offset –101 dBc/Hz phn10k Phase noise at 10-kHz offset –109 dBc/Hz phn100k Phase noise at 100-kHz offset –112 dBc/Hz phn1M Phase noise at 1-MHz offset –129 dBc/Hz phn10M Phase noise at 10-MHz offset –146 dBc/Hz phn20M Phase noise at 20-MHz offset –146 dBc/Hz tRJIT RMS phase jitter from 10 kHz to 20 MHz 509 fs, RMS tPJIT Total period jitter 26.9 ps, PP Start-up time, power supply ramp time of 1 ms, tSTARTUP 2.25 ms final frequency accuracy of ±10 ppm (1) Figure 10 shows test setup and uses 25-MHz quartz crystal in, VCC = 3.3 V, TA = +25°C. (2) Figure 12 shows test setup and uses 25-MHz quartz crystal in, VCC = 3.3 V, TA = +25°C. 6 Submit Documentation Feedback Copyright © 2009–2010, Texas Instruments Incorporated Product Folder Link(s): CDCM61004 |
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Descrição semelhante - CDCM61004_10 |
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