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AD808-622BR Datasheet(PDF) 2 Page - Analog Devices |
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AD808-622BR Datasheet(HTML) 2 Page - Analog Devices |
2 / 12 page AD808–SPECIFICATIONS REV. 0 –2– Parameter Condition Min Typ Max Units QUANTIZER–DC CHARACTERISTICS Input Voltage Range @ PIN or NIN 2.5 VS V Input Sensitivity, VSENSE PIN–NIN, Figure 1, BER = ≤ 1 × 10 –10 10 4.0 mV Input Overdrive, VOD Figure 1, BER = ≤ 1 × 10–10 5 2.0 mV Input Offset Voltage 1.0 mV Input Current 10 µA Input RMS Noise BER = ≤ 1 × 10–10 100 µV Input Peak-to-Peak Noise BER = ≤ 1 × 10–10 1.5 mV QUANTIZER–AC CHARACTERISTICS Upper –3 dB Bandwidth 600 800 MHz Input Resistance 10 k Ω Input Capacitance 2pF Pulsewidth Distortion 50 ps LEVEL DETECT Level Detect Range RTHRESH = 22.1 kΩ 6.5 10 13.5 mV RTHRESH = 6.98 kΩ 13 18 23 mV RTHRESH = 0 Ω 28.5 40 45.5 mV Response Time DC Coupled 0.1 1.5 µs Hysteresis (Electrical) RTHRESH = 22.1 kΩ (See Figure 8) 5 9.0 dB RTHRESH = 6.98 kΩ 3.0 5.1 9.0 dB RTHRESH = 0 Ω 3.0 7.0 10.0 dB SDOUT Output Logic High Load = +3.2 mA 4.0 4.7 V SDOUT Output Logic Low Load = –3.2 mA 0.2 0.4 V PHASE-LOCKED LOOP NOMINAL CENTER FREQUENCY 622.08 MHz CAPTURE RANGE 620 624 MHz TRACKING RANGE 620 624 MHz STATIC PHASE ERROR (See Figure 7) 2 7–1 PRN Sequence 22 81 Degrees SETUP TIME (tSU) Figure 2 550 900 ps HOLD TIME (tH) Figure 2 700 1050 ps PHASE DRIFT 240 Bits, No Transitions 50 Degrees JITTER 2 7–1 PRN Sequence 2.5 3.6 Degrees rms 2 23–1 PRN Sequence 2.5 3.6 Degrees rms JITTER TOLERANCE f = 30 Hz 3000 Unit Intervals f = 300 Hz 24 300 Unit Intervals f = 25 kHz 1.7 3.7 Unit Intervals f = 250 kHz 0.28 0.56 Unit Intervals f = 5 MHz 0.18 0.45 Unit Intervals JITTER TRANSFER Peaking (Figure 14) CD = 0.47 µF 0.04 dB Bandwidth 333 450 kHz Acquisition Time CD = 0.1 µF2 23–1 PRN Sequence, T A = +25°C2 × 10 6 3 × 106 Bit Periods CD = 0.47 µFVCC = 5 V, VEE = GND 8 × 106 12 × 106 Bit Periods POWER SUPPLY VOLTAGE VMIN to VMAX 4.5 5.5 Volts POWER SUPPLY CURRENT VCC = 5.0 V, VEE = GND, TA = +25°C 55 80 100 mA PECL OUTPUT VOLTAGE LEVELS Output Logic High, VOH TA = +25°C –1.2 –1.0 –0.7 Volts Output Logic Low, VOL Referenced to VCC –2.2 –2.0 –1.7 Volts SYMMETRY (Duty Cycle) ρ = 1/2, T A = +25°C, Recovered Clock Output, Pin 5 VCC = 5 V, VEE = GND 45 55 % OUTPUT RISE / FALL TIMES Rise Time (tR) 20%–80% 174 350 500 ps Fall Time (tF) 80%–20% 136 315 500 ps CLOCK SKEW (tRCS) Positive Number Indicates Clock Leading Data –100 130 250 ps Specifications subject to change without notice. (TA = TMIN to TMAX, VS = VMIN to VMAX, CD = 0.47 F, unless otherwise noted) |
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