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GS2994 Arkusz danych(PDF) 7 Page - Semtech Corporation |
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GS2994 Arkusz danych(HTML) 7 Page - Semtech Corporation |
7 / 20 page GS2994 GS2994 Adaptive Cable Equalizer Data Sheet 53967 - 4 August 2012 7 of 20 2.3 AC Electrical Characteristics Supply Current - Core Is TA = 25°C – 48.7 – mA 2, 3 Supply Current - Output Driver IOutput Driver TA = 25°C, ΔVSDO = 800mV – 17.3 – mA 2 TA = 25°C, ΔVSDO = 400mV –9.3 – mA 2 Input Common Mode Voltage VCMIN TA = 25°C – 1.8 – V – SQ_ADJ DC Voltage (to mute signal) –0m, TA = 25°C – 3.2 – V – SQ_ADJ Range – TA = 25°C – 0.9 – V – CD Output Voltage VCD(OH) Carrier not present 2.0 – – V – VCD(OL) Carrier present – – 0.4 V – Sleep, GAIN_SEL, BYPASS, Input High Level Voltage VIH –1.7 – – V 4 Sleep, GAIN_SEL, BYPASS, Input Low Level Voltage VIL –– – 0.7 V 4 NOTES: 1. VCC_O operates from 1.2V through 3.3V (+/-5%). 2. De-emphasis off. 3. An additional 3mA when de-emphasis is enabled. 4. Digital pins are 2.5V, but 3.3V tolerant. Table 2-1: DC Electrical Characteristics (Continued) VCC_A = 3.3V ±5%, TA = -40°C to +85°C, unless otherwise shown Parameter Symbol Conditions Min Typ Max Units Notes Table 2-2: AC Electrical Characteristics VCC_A = 3.3V ±5%, TA = -40°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 ΔVSDI 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 ΔVSDO 100 Ω load, TA =25°C, differential, OP_CTL set for high swing – 800 – mVp-p – 100 Ω load, TA =25°C, differential, OP_CTL set for low swing – 400 – mVp-p – |
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