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GS3490 数据表(PDF) 8 Page - Semtech Corporation |
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GS3490 数据表(HTML) 8 Page - Semtech Corporation |
8 / 22 page GS3490 Final Data Sheet Rev. 1 GENDOC-058568 April 2014 8 of 22 Proprietary & Confidential www.semtech.com 2.3 AC Electrical Characteristics Table 2-3: AC Electrical Characteristics - Equalizer Mode VCC = +3.3V ± 5%, TA = -20°C to +85°C (unless otherwise shown), Functional Temperature Range: -40°C to +85°C Parameter Symbol Conditions Min Typ Max Units Notes Serial Data Rate DRSDI – 125 – 2970 Mb/s 1 SDI/SDI Input Voltage Swing ΔV SDI 270Mb/s and 1.485Gb/s 720 800 950 mVppd 2 2.97Gb/s 720 800 880 mVppd 2 DDO/DDO Output Voltage Swing ΔV DDO 100 Ω load, EQ_OP_CTL set for high swing 700 850 1000 mVppd – 100 Ω load, EQ_OP_CTL set for low swing 350 425 500 mVppd – DDO/DDO Output Jitter – 2.97Gb/s Belden 1694A: 0-140m – 0.2 0.45 UI 3, 4 1.485Gb/s Belden 1694A: 0-200m – – 0.2 UI 3, 4 1.485Gb/s Belden 1694A: 200-260m – 0.3 0.4 UI 3, 4 270Mb/s Belden 1694A: 0-300m – 0.1 0.2 UI 3, 4 270Mb/s Belden 1694A: 300-500m – 0.2 0.3 UI 3, 4 DDO/DDO Rise/Fall Time tr, tf 1.485Gb/s and 2.97Gb/s, 20% - 80% – 75 – ps – 270Mb/s, 20% - 80% – 150 – ps – Mismatch in Rise/Fall Time Δt r, Δtf –– – 30 ps – Duty cycle distortion – SD/HD/3G – – 30 ps – Overshoot – – – – 10 % – Input Return Loss – 5MHz - 1.485GHz 15 – – dB 5 1.485GHz - 2.97GHz 10 – – dB 5 SDI/SDI Input Resistance – Single-ended – 1.9 – k Ω – SDI/SDI Input Capacitance –Single-ended – 1.3 – pF – DDO/DDO Output Resistance –Single-ended – 50 – W – Equalizer Mode Enable Delay –– – 1 – μs – Notes: 1. Device performance is optimized for standard data rates (SD = 270Mb/s, HD = 1.485Gb/s, 3G = 2.970Gb/s). 2. 0m cable length. 3. All parts are production tested. In order to guarantee jitter over the full range of specification (VCC = 3.3V ±5%, TA = -40°C to +85°C, and 720-880mV launch swing from a SMPTE compliant cable driver) the recommended applications circuit must be used. 4. Based on validation data using the recommended circuit, at VCC = 3.3V, TA = 25°C and 800mV launch swing from a SMPTE compliant cable driver. 5. IRL depends on board design. The GS3490 achieves this specification on Semtech‘s evaluation boards. |
类似零件编号 - GS3490 |
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类似说明 - GS3490 |
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