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ADA4891-1 Datasheet(PDF) 10 Page - Analog Devices |
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ADA4891-1 Datasheet(HTML) 10 Page - Analog Devices |
10 / 24 page ADA4891-1/ADA4891-2/ADA4891-3/ADA4891-4 Rev. B | Page 10 of 24 –100 –90 –80 –70 –60 –50 –40 00.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 OUTPUT VOLTAGE (V p-p) VS = 5V SECOND HARMONIC VS = 5V THIRD HARMONIC VS = 3V SECOND HARMONIC VS = 3V THIRD HARMONIC G = +2 RF = 604Ω RL = 150Ω fC = 1MHz Figure 25. Harmonic Distortion (HD2, HD3) vs. Output Voltage, G = +2 –180 –162 –144 –126 –108 –90 –72 –54 –36 –18 0 GAIN PHASE –10 0 10 20 30 40 50 60 70 80 90 0.001 0.01 0.1 1 10 100 1k FREQUENCY (MHz) VS = 5V RL = 1kΩ Figure 26. Open-Loop Gain and Phase vs. Frequency 5 6 7 4 3 2 1 0 –1 –2 –3 –4 0.1 1 10 100 1k FREQUENCY (MHz) VS = 5V G = +2 RL = 150Ω VOUT = 200mV p-p CL = 47pF CL = 22pF CL = 10pF CL = 0pF Figure 27. Small-Signal Frequency Response vs. CL, ADA4891-1/ADA4891-2 1 10 100 1k 10 100 FREQUENCY (Hz) 1k 10k 100k 1M 10M VS = 5V G = +1 Figure 28. Input Voltage Noise vs. Frequency 0.06 –0.06 0.04 0.02 0 –0.04 –0.02 0.2 0.1 0 –0.1 –0.2 –0.3 0.3 MODULATING RAMP LEVEL (IRE) VS = 5V, G = +2 RF = 604Ω, RL = 150Ω VS = 5V, G = +2 RF = 604Ω, RL = 150Ω 1ST 2ND 3RD 4TH 5TH 6TH 7TH 8TH 9TH 10TH 1ST 2ND 3RD 4TH 5TH 6TH 7TH 8TH 9TH 10TH Figure 29. Differential Gain and Phase Errors 5 6 7 4 3 2 1 0 –1 –2 –3 –4 0.1 1 10 100 1k FREQUENCY (MHz) VS = 5V G = +2 RL = 150Ω VOUT = 200mV p-p CL = 47pF CL = 22pF CL = 10pF CL = 0pF Figure 30. Small-Signal Frequency Response vs. CL, ADA4891-3/ADA4891-4 |
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