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ADN2817 数据表(PDF) 3 Page - Analog Devices |
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ADN2817 数据表(HTML) 3 Page - Analog Devices |
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3 / 35 page ![]() Preliminary Technical Data ADN2817/ADN2818 Rev.Pr A | Page 3 of 35 SPECIFICATIONS TA = TMIN to TMAX, VCC = VMIN to VMAX, VEE = 0 V, CF = 0.47 μF, SLICEP = SLICEN = VEE, Input Data Pattern: PRBS 223 − 1, unless otherwise noted. Table 1. Parameter Conditions Min Typ Max Unit QUANTIZER—DC CHARACTERISTICS Input Voltage Range @ PIN or NIN, dc-coupled 1.8 2.8 V Peak-to-Peak Differential Input PIN – NIN 2.0 V Input Common Mode Level DC-coupled (see Figure 28, Figure 29, and Figure 30) 2.3 2.5 2.8 V Differential Input Sensitivity 223 − 1 PRBS, ac-coupled,1 BER = 1 x 10–10 TBD TBD mV p-p Input Overdrive (see Figure 12) TBD TBD mV p-p Input Offset TBD μV Input RMS Noise BER = 1 x 10–10 TBD μV rms QUANTIZER—AC CHARACTERISTICS Data Rate 12.3 2700 Mb/s S11 @ 2.5 GHz −15 dB Input Resistance Differential 100 Ω Input Capacitance 0.65 pF QUANTIZER—SLICE ADJUSTMENT Gain SLICEP – SLICEN = ±0.5 V TBD 0.1 TBD V/V Differential Control Voltage Input SLICEP – SLICEN TBD V Control Voltage Range DC level @ SLICEP or SLICEN VEE 0.95 V Slice Threshold Offset 1 mV LOSS OF SIGNAL DETECT (LOS) Loss of Signal Detect Range (see Figure 5) RThresh = 0 Ω TBD TBD mV RThresh = 100 kΩ TBD TBD mV Hysteresis (Electrical) OC-48 RThresh = 0 Ω TBD TBD dB RThresh = 100 kΩ TBD TBD dB OC-1 RThresh = 0 Ω TBD TBD dB RThresh = 10 kΩ TBD TBD dB LOS Assert Time DC-coupled2 TBD ns LOS De-Assert Time DC-coupled2 TBD ns LOSS OF LOCK DETECT (LOL) VCO Frequency Error for LOL Assert With respect to nominal 1000 ppm VCO Frequency Error for LOL De-Assert With respect to nominal 250 ppm LOL Response Time 12.3 Mb/s 4 ms OC-12 1.0 μs OC-48 1.0 μs ACQUISITION TIME Lock to Data Mode OC-48 1.3 ms OC-12 2.0 ms OC-3 3.4 ms OC-1 9.8 ms 12.3 Mb/s 40.0 ms Optional Lock to REFCLK Mode 10.0 ms 1 PIN and NIN should be differentially driven and ac-coupled for optimum sensitivity. 2 When ac-coupled, the LOS assert and de-assert time is dominated by the RC time constant of the ac coupling capacitor and the 50 Ω input termination of the ADN2817/ADN2818 input stage. |
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