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AD9272BSVZRL-651 Datasheet(PDF) 4 Page - Analog Devices |
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AD9272BSVZRL-651 Datasheet(HTML) 4 Page - Analog Devices |
4 / 44 page AD9272 Rev. C | Page 4 of 44 SPECIFICATIONS AC SPECIFICATIONS AVDD1 = 1.8 V, AVDD2 = 3.0 V, DRVDD = 1.8 V, 1.0 V internal ADC reference, fIN = 5 MHz, RS = 50 Ω, LNA gain = 21.3 dB, LNA bias = high, PGA gain = 27 dB, GAIN− = 0.8 V, AAF LPF cutoff = fSAMPLE/4.5, HPF = LPF cutoff/20.7 (default), full temperature, ANSI-644 LVDS mode, unless otherwise noted. Table 1. AD9272-40 AD9272-65 AD9272-80 Parameter1 Conditions Min Typ Max Min Typ Max Min Typ Max Unit LNA CHARACTERISTICS Gain Single-ended input to differential output 15.6/17.9/21.3 15.6/17.9/21.3 15.6/17.9/21.3 dB Single-ended input to single-ended output 9.6/11.9/15.3 9.6/11.9/15.3 9.6/11.9/15.3 dB Input Voltage Range LNA gain = 15.6 dB/ 17.9 dB/ 21.3 dB, LNA output limited to 4.4 V p-p differential output 733/550/367 733/550/367 733/550/367 mV p-p SE2 Input Common Mode 0.9 0.9 0.9 V Input Resistance RFB = 250 Ω 50 50 50 Ω RFB = 500 Ω 100 100 100 Ω RFB = ∞ 15 15 15 kΩ Input Capacitance LI-x 22 22 22 pF −3 dB Bandwidth 100 100 100 MHz Input-Referred Noise Voltage LNA gain = 15.6 dB/ 17.9 dB/ 21.3 dB, RS = 0 Ω, RFB = ∞ 0.98/0.86/0.75 0.98/0.86/0.75 0.98/0.86/0.75 nV/√Hz Input Noise Current RFB = ∞ 1 1 1 pA/√Hz 1 dB Input Com- pression Point LNA gain = 15.6 dB/ 17.9 dB/ 21.3 dB, GAIN+ = 0 V 1.0/0.8/0.5 1.0/0.8/0.5 1.0/0.8/0.5 mV p-p Noise Figure LNA gain = 15.6 dB/ 17.9 dB/ 21.3 dB Active Termination Matched RS = 50 Ω, RFB = 200 Ω/ 250 Ω/350 Ω 4.8/4.1/3.2 4.8/4.1/3.2 4.8/4.0/3.2 dB Unterminated RFB = ∞ 3.4/2.8/2.3 3.4/2.8/2.3 3.4/2.8/2.3 dB FULL-CHANNEL (TGC) CHARACTERISTICS AAF Low-Pass Filter Cutoff -In Range −3 dB, programmable 8 to 18 8 to 18 8 to 18 MHz AAF Low-Pass Filter Cutoff - Out of Range3 −3 dB, programmable, AAF Bandwidth Tolerance 5 to 8 and 18 to 35 5 to 8 and 18 to 35 5 to 8 and 18 to 35 MHz AAF Bandwidth Tolerance -In Range ±10 ±10 ±10 % |
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