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ADA4939-2 Datasheet(PDF) 5 Page - Analog Devices |
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ADA4939-2 Datasheet(HTML) 5 Page - Analog Devices |
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5 / 24 page  ADA4939-1/ADA4939-2 Rev. 0 | Page 5 of 24 3.3 V OPERATION TA = 25°C, +VS = 3.3 V, −VS = 0 V, VOCM = +VS/2, RF = 402 Ω, RG = 200 Ω, RT = 60.4 Ω (when used), RL, dm = 1 kΩ, unless otherwise noted. All specifications refer to single-ended input and differential outputs, unless otherwise noted. Refer to Figure 42 for signal definitions. ±DIN to VOUT, dm Performance Table 4. Parameter Conditions Min Typ Max Unit DYNAMIC PERFORMANCE −3 dB Small Signal Bandwidth VOUT, dm = 0.1 V p-p 1400 MHz Bandwidth for 0.1 dB Flatness VOUT, dm = 0.1 V p-p, ADA4939-1 300 MHz VOUT, dm = 0.1 V p-p, ADA4939-2 90 MHz Large Signal Bandwidth VOUT, dm = 2 V p-p 1400 MHz Slew Rate VOUT, dm = 2 V p-p, 25% to 75% 5000 V/μs Overdrive Recovery Time VIN = 0 V to 1.0 V step, G = 3.16 <1 ns NOISE/HARMONIC PERFORMANCE See Figure 41 for distortion test circuit Second Harmonic VOUT, dm = 2 V p-p, 10 MHz −100 dBc VOUT, dm = 2 V p-p, 70 MHz −90 dBc VOUT, dm = 2 V p-p, 100 MHz −83 dBc Third Harmonic VOUT, dm = 2 V p-p, 10 MHz −94 dBc VOUT, dm = 2 V p-p, 70 MHz −82 dBc VOUT, dm = 2 V p-p, 100 MHz −75 dBc IMD f1 = 70 MHz, f2 = 70.1 MHz, VOUT, dm = 2 V p-p −87 dBc f1 = 140 MHz, f2 = 140.1 MHz, VOUT, dm = 2 V p-p −70 dBc Voltage Noise (RTI) f = 100 kHz 2.3 nV/√Hz Input Current Noise f = 100 kHz 6 pA/√Hz Crosstalk f = 100 MHz, ADA4939-2 −80 dB INPUT CHARACTERISTICS Offset Voltage VOS, dm = VOUT, dm/2, VDIN+ = VDIN− = +VS/2 −3.5 ±0.5 +3.5 mV TMIN to TMAX variation ±2.0 μV/°C Input Bias Current −26 −10 +2.2 μA TMIN to TMAX variation ±0.5 μA/°C Input Offset Current −11.2 ±0.4 +11.2 Input Resistance Differential 180 kΩ Common mode 450 kΩ Input Capacitance 1 pF Input Common-Mode Voltage 0.9 2.4 V CMRR ∆VOUT, dm/∆VIN, cm, ∆VIN, cm = ±1 V −85 −75 dB OUTPUT CHARACTERISTICS Output Voltage Swing Maximum ∆VOUT, single-ended output, RF = RG = 10 kΩ 0.8 2.5 V Linear Output Current 75 mA Output Balance Error ∆VOUT, cm/∆VOUT, dm, ∆VOUT, dm = 1 V, f = 10 MHz, see Figure 40 for test circuit −61 dB |
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