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OPA830IDBV Datasheet(PDF) 16 Page - Texas Instruments |
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OPA830IDBV Datasheet(HTML) 16 Page - Texas Instruments |
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16 / 35 page ![]() OPA830 SBOS263F − AUGUST 2004 − REVISED AUGUST 2008 www.ti.com 16 TYPICAL CHARACTERISTICS: VS = +3V (continued) At TA = 25°C, G = +2, and RL = 150Ω to VS/3, unless otherwise noted (see Figure 2). −50 −55 −60 −65 −70 −75 −80 −85 −90 HARMONIC DISTORTION vs LOAD RESISTANCE Resistance ( Ω) 100 1000 f=5MHz V O =1VPP G= +2V/V SeeFigure2 3rd−Harmonic 2nd−Harmonic −55 −60 −65 −70 −75 −80 −85 −90 −95 −100 HARMONIC DISTORTION vs FREQUENCY Frequency (MHz) 0.1 1 10 2nd−Harmonic R L = 150Ω 2nd−Harmonic R L = 500Ω 3rd−Harmonic R L = 150Ω 3rd−Harmonic R L = 500Ω V O =1VPP G= +2V/V SeeFigure2 190 170 150 130 110 90 70 50 30 10 RECOMMENDED R S vs CAPACITIVE LOAD Capacitive Load (pF) 1 10 100 1k 0dB Peaking Targeted −40 −50 −60 −70 −80 −90 −100 HARMONIC DISTORTION vs OUTPUT VOLTAGE Output Voltage Swing (V PP) 0.1 1 10 2nd−Harmonic 3rd−Harmonic f= 5MHz R L =500Ω G= +2V/V SeeFigure2 Input Limited −40 −45 −50 −55 −60 −65 −70 −75 −80 −85 −90 −95 TWO−TONE, 3RD−ORDER INTERMODULATION SPURIOUS Single−Tone Load Power (dBm) 10MHz 5MHz 20MHz −28 −26 −24 −22 −20 −18 −16 −14 −12 −10 −8 750 Ω OPA830 P I P O 50 Ω 500 Ω 750 Ω 8 7 6 5 4 3 2 1 0 −1 −2 −3 FREQUENCY RESPONSE vs CAPACITIVE LOAD Frequency (MHz) 1 10 100 200 C L = 1000pF C L = 100pF C L = 10pF 750 Ω RS VI V O 50 Ω 1k Ω(1) CL 750 Ω NOTE: (1) 1k Ω is optional. O P A830 |
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