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ADA4891-2ARZ-R7 数据表(PDF) 7 Page - Analog Devices |
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ADA4891-2ARZ-R7 数据表(HTML) 7 Page - Analog Devices |
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7 / 20 page ![]() ADA4891-1/ADA4891-2 Rev. A | Page 7 of 20 – –0.5 –0.4 –0.3 –0.2 –0.1 0 0.1 1 0.1 10 100 FREQUENCY (MHz) VS = 3V G = +2 VOUT = 2V p-p RL = 150Ω RF = 604Ω RF = 549Ω RF = 649Ω RF = 698Ω Figure 12. 0.1 dB Gain Flatness vs. RF, VS = 3 V –10 –9 –8 –7 –6 –5 –4 –3 –2 –1 0 1 0.1 1 10 100 1k FREQUENCY (MHz) VS = +5V RL = 150Ω VOUT = 2V p-p G = +1 RF = 0Ω G = –1 RF = 604Ω G = +2 RF = 604Ω G = +5 RF = 604Ω Figure 13. Large Signal Frequency Response vs. Gain, VS = 5 V –10 –9 0.1 1 10 100 1000 FREQUENCY (MHz) –8 –7 –6 –5 –4 –3 –2 –1 0 1 2 3 4 G = –1 VOUT = 2V p-p G = +2 VOUT = 2V p-p G = +1 VOUT = 1V p-p G = +5 VOUT = 2V p-p VS = 3V RF = 604Ω RL = 150Ω Figure 14. Large Signal Frequency Response vs. Gain, VS = 3 V –120 –110 –100 –90 –80 –70 –60 –50 40 0.1 1 10 FREQUENCY (MHz) VS = 5V RL = 1kΩ VOUT = 2V p-p G = +2 SECOND HARMONIC G = +1 SECOND HARMONIC G = +2 THIRD HARMONIC G = +1 THIRD HARMONIC Figure 15. Harmonic Distortion (HD2, HD3) vs. Frequency, VS = 5 V – –90 –80 –70 –60 –50 –40 30 0.1 1 10 FREQUENCY (MHz) VS = 3V RL = 1kΩ VOUT = 2V p-p G = +1 THIRD HARMONIC G = +1 SECOND HARMONIC G = +2 SECOND HARMONIC OUT IN +VS = 2V –VS = –1V G = +1 CONFIGURATION 1k Ω 50 Ω G = +2 THIRD HARMONIC Figure 16. Harmonic Distortion (HD2, HD3) vs. Frequency, VS = 3 V – –120 –110 –100 –90 –80 –70 –60 –50 40 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 OUTPUT VOLTAGE (V p-p) G = +1 THIRD HARMONIC VS = 5V RF = 604Ω RL = 1kΩ fC = 1MHz G = –1 THIRD HARMONIC G = +1 SECOND HARMONIC G = –1 SECOND HARMONIC Figure 17. Harmonic Distortion vs. Output Voltage, VS = 5 V |
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