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ADA4950-2 数据表(PDF) 5 Page - Analog Devices |
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ADA4950-2 数据表(HTML) 5 Page - Analog Devices |
5 / 28 page ADA4950-1/ADA4950-2 Rev. 0 | Page 5 of 28 5 V OPERATION TA = 25°C, +VS = 5 V, −VS = 0 V, VOCM = 2.5 V, G = 1, RT = 53.6 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 52 for signal definitions. Differential Inputs to VOUT, dm Performance Table 4. Parameter Test Conditions/Comments Min Typ Max Unit DYNAMIC PERFORMANCE −3 dB Small-Signal Bandwidth VOUT, dm = 0.1 V p-p 770 MHz −3 dB Large-Signal Bandwidth VOUT, dm = 2.0 V p-p 320 MHz Bandwidth for 0.1 dB Flatness VOUT, dm = 2.0 V p-p, RL = 200 Ω ADA4950-1 220 MHz ADA4950-2 160 MHz Slew Rate VOUT, dm = 2 V p-p, 25% to 75% 2200 V/μs Settling Time to 0.1% VOUT, dm = 2 V step 10 ns Overdrive Recovery Time VIN = 0 V to 2.5 V ramp, G = 2 19 ns NOISE/HARMONIC PERFORMANCE See Figure 51 for distortion test circuit Second Harmonic VOUT, dm = 2 V p-p 1 MHz −108 dBc 10 MHz −107 dBc 20 MHz −98 dBc 50 MHz −82 dBc Third Harmonic VOUT, dm = 2 V p-p 1 MHz −124 dBc 10 MHz −114 dBc 20 MHz −99 dBc 50 MHz −83 dBc IMD3 f1 = 30 MHz, f2 = 30.1 MHz, VOUT, dm = 2 V p-p −94 dBc Voltage Noise (Referred to Input) f = 1 MHz Gain = 1 9.2 nV/√Hz Gain = 2 12.5 nV/√Hz Gain = 3 16.6 nV/√Hz Crosstalk (ADA4950-2) f = 10 MHz; Channel 2 active, Channel 1 output −87 dB INPUT CHARACTERISTICS Offset Voltage (Referred to Input) V+DIN = V−DIN = VOCM = 2.5 V −4 ±0.4 +4 mV TMIN to TMAX variation −3.7 μV/°C Input Capacitance Single-ended at package pin 0.5 pF Input Common-Mode Voltage Range Directly at internal amplifier inputs, not external input terminals –VS + 0.2 to +VS – 1.8 V CMRR DC, ∆VOUT, dm/∆VIN, cm, ∆VIN, cm = ±1 V −64 −49 dB Open-Loop Gain 64 66 dB OUTPUT CHARACTERISTICS Output Voltage Swing Maximum ∆VOUT, single-ended output, RL = 1 kΩ –VS + 1.2 to +VS – 1.2 –VS + 1.1 to +VS – 1.1 V Linear Output Current 200 kHz, RL, dm = 10 Ω, SFDR = 67 dB 70 mA peak Output Balance Error ∆VOUT, cm/∆VOUT, dm, ∆VOUT, dm = 1 V p-p, 1 MHz; see Figure 50 for output balance test circuit −62 dB Gain Error Gain = 1 0.5 1.2 % Gain = 2 1.0 1.9 % Gain = 3 0.8 1.7 % |
类似零件编号 - ADA4950-2 |
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类似说明 - ADA4950-2 |
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