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AD9552PCBZ датащи(PDF) 4 Page - Analog Devices |
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AD9552PCBZ датащи(HTML) 4 Page - Analog Devices |
4 / 32 page AD9552 Rev. C | Page 4 of 32 Parameter Min Typ Max Unit Test Conditions/Comments Input Capacitance 3 pF Input Resistance 130 kΩ Duty Cycle 40 60 % Input Voltage Input High Voltage, VIH 0.52 V Input Low Voltage, VIL 1.62 V Input Threshold Voltage 1.0 V When ac coupling to the input receiver, the user must dc bias the input to 1 V VCO CHARACTERISTICS Frequency Range Upper Bound 4050 MHz Lower Bound 3350 MHz VCO Gain 45 MHz/V VCO Tracking Range ±300 ppm VCO Calibration Time 140 μs fPFD7 = 77.76 MHz; time between completion of the VCO calibration command (the rising edge of CS (Pin 12)) to the rising edge of LOCKED (Pin 20). 1 The A[2:0], Y[5:0], and OUTSEL pins have 100 kΩ internal pull-up resistors. 2 The RESET pin has a 100 kΩ internal pull-up resistor, so the default state of the device is reset. 3 N is the integer part of the feedback divider. 4 Sigma-delta modulator. 5 The minimum allowable feedback divider value with the SDM disabled. 6 The minimum allowable feedback divider value with the SDM enabled. 7 The frequency at the input to the phase-frequency detector. CRYSTAL INPUT CHARACTERISTICS Table 2. Parameter Min Typ Max Unit Test Conditions/Comments CRYSTAL FREQUENCY Range 10 26 52 MHz Tolerance 20 ppm CRYSTAL MOTIONAL RESISTANCE 100 Ω CRYSTAL LOAD CAPACITANCE 15 pF Using a crystal with a specified load capacitance other than 15 pF (8 pF to 24 pF) is possible, but necessitates using the SPI port to configure the AD9552 crystal input capacitance. OUTPUT CHARACTERISTICS Table 3. Parameter Min Typ Max Unit Test Conditions/Comments LVPECL MODE Differential Output Voltage Swing 690 765 889 mV Output driver static Common-Mode Output Voltage VDD − 1.77 VDD − 1.66 VDD − 1.20 V Output driver static Frequency Range 0 900 MHz Duty Cycle 40 60 % Up to 805 MHz output frequency Rise/Fall Time1 (20% to 80%) 255 305 ps 100 Ω termination between both pins of the output driver |
Аналогичный номер детали - AD9552PCBZ |
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Аналогичное описание - AD9552PCBZ |
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