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GS2984 数据表(PDF) 7 Page - Gennum Corporation |
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GS2984 数据表(HTML) 7 Page - Gennum Corporation |
7 / 20 page GS2984 Adaptive Cable Equalizer Data Sheet 50985 - 3 March 2010 7 of 20 2.3 AC Electrical Characteristics Table 2-2: AC Electrical Characteristics VCC = 3.3V ±5%, TA = -20°C to +85°C, unless otherwise shown Parameter Symbol Conditions Min Typ Max Units Notes Serial input data rate DRSDO – 143 – 2970 Mb/s – Input Voltage Swing ΔV SDI TA =25°C, differential, 270Mb/s and 1.485Gb/s 720 800 950 mVp-p 1 TA =25°C, differential, 2.97Gb/s 720 800 880 mVp-p 1 Output Voltage Swing ΔV SDO 100Ω load, TA =25°C, differential 680 800 900 mVp-p – Output Jitter of Various Cable Lengths and Data Rates –2.97Gb/s Belden 1694A: 0-120m – – 0.25 UI 2, 5 –2.97Gb/s Belden 1694A: 120-140m – 0.3 – UI 3, 5 – 1.485Gb/s Belden 1694A: 0-160m – – 0.25 UI 2, 5 – 1.485Gb/s Belden 1694A: 160-200m – 0.2 – UI 3, 5 – 270Mb/s Belden 1694A: 0-400m –– 0.2 UI 2, 5 Output Rise/Fall time – 2.97Gb/s & 1.485Gb/s 20% - 80% 35 65 90 ps – – 270Mb/s (see Section 4.8) Mismatch in rise/fall time – – – – 30 ps – Duty cycle distortion – – – – 30 ps – Overshoot – – – – 10 % – Input Return Loss – – 15 21 – dB 4 Input Resistance – single ended – 1.9 – kΩ – Input Capacitance – single ended – 1.3 – pF – Output Resistance – single ended – 50 – Ω – NOTES: 1. 0m cable length. 2. All parts are production tested. In order to guarantee jitter over the full range of specification (VCC = 3.3V ±5%, TA = -20°C to +85°C, and 720-880mV launch swing from the SDI cable driver) the recommended applications circuit must be used. 3. Based on characterization data using the recommended applications circuit, at VCC = 3.3V, TA = 25°C and 800mV launch swing from the SDI cable driver. 4. Tested on a 2984 board from 5MHz to 3GHz. 5. CM_SET = 0, GAIN_SEL = 0 |
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类似说明 - GS2984 |
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