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DSC12X2 датащи(PDF) 4 Page - Microchip Technology |
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DSC12X2 датащи(HTML) 4 Page - Microchip Technology |
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4 / 32 page ![]() DSC12X2/3/4 DS20006011A-page 4 2019 Microchip Technology Inc. Period Jitter Peak-to-Peak JPTP —20— ps f0 = 156.25 MHz, 10k cycles Integrated Phase Noise (Random) JPH —0.65— psRMS 12 kHz to 20 MHz @156.25 MHz LVDS (DSC12x3) Frequency f0 2.3 — 450 MHz — Output Offset Voltage VOS 1.15 1.25 1.35 V R = 100Ω Differential Peak-to-Peak Output Swing VPP 250 350 450 mV Single-Ended Output Transition Time tR 120 170 220 ps 20% to 80%, RL = 100Ω tF Output Duty Cycle SYM 48 — 52 % Differential Period Jitter RMS JPER —2.5 — ps f0 = 156.25 MHz, 10k cycles Period Jitter Peak-to-Peak JPTP —20— ps f0 = 156.25 MHz, 10k cycles Integrated Phase Noise (Random) JPH —0.65— psRMS 12 kHz to 20 MHz @156.25 MHz Period Jitter RMS JPER —3— ps f0 = 156.25 MHz, TA = –40°C to +125°C Period Jitter Peak-to-Peak JPTP —25— ps f0 = 156.25 MHz, TA = –40°C to +125°C Integrated Phase Noise (Random) JPH —0.9 — psRMS 12 kHz to 20 MHz @156.25 MHz, TA = –40°C to +125°C HCSL (DSC12x4) Frequency f0 2.3 — 450 MHz — Output Logic Levels VOH 0.64 — — VRL = 50Ω VOL —— 0.1 Peak-to-Peak Output Swing VPP — 750 — mV Single-Ended Output Transition Time tR 200 260 400 ps 20% to 80%, RL = 50Ω tF 250 370 500 Output Duty Cycle SYM 48 — 52 % Differential Period Jitter RMS JPER —2— ps f0 = 100.00 MHz, 10k cycles Period Jitter Peak-to-Peak JPTP —16— ps f0 = 100.00 MHz, 10k cycles Integrated Phase Noise (Random) JPH —0.65— psRMS 12 kHz to 20 MHz @100.00 MHz Note 1: VDD pin should be filtered with a 0.1 µF capacitor. 2: tSU is the time to 100 ppm stable output frequency after VDD is applied and outputs are enabled. 3: tDA: See the Output Waveforms and the Test Circuits sections for more information. 4: Output is enabled if pad is floated (not connected). ELECTRICAL CHARACTERISTICS (CONTINUED) Electrical Characteristics: VDD = 2.5V ±10% or 3.3V±10%; TA = –40°C to +105°C, unless noted. Parameter Symbol Min. Typ. Max. Units Conditions |
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