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OPA642U Datasheet(PDF) 4 Page - Texas Instruments |
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OPA642U Datasheet(HTML) 4 Page - Texas Instruments |
4 / 16 page 4 ® OPA642 TYPICAL PERFORMANCE CURVES At TA = +25°C, VS = ±5V, RL = 100Ω, RF = 402Ω, G = +2, unless otherwise noted. RF = 25Ω for a gain of +1. SMALL SIGNAL TRANSIENT RESPONSE (G = +1, R L = 100Ω) Time (5ns/div) 200 160 120 80 40 0 –40 –80 –120 –160 –200 LARGE SIGNAL TRANSIENT RESPONSE (G = +1, R L = 100Ω) Time (5ns/div) 2.0 1.6 1.2 0.8 0.4 0 –0.4 –0.8 –1.2 –1.4 –2.0 LARGE SIGNAL FREQUENCY RESPONSE Frequency 0.5MHz 10MHz 100MHz 500MHz 12 9 6 3 0 –3 –9 –12 –15 –18 –21 G = +2 V O = 1Vp-p V O = 2Vp-p V O = 4Vp-p R S vs CAPACITIVE LOAD Capacitive Load (pF) 10 1 100 30 25 20 15 10 5 0 SMALL SIGNAL FREQUENCY RESPONSE Frequency 0.5MHz 10MHz 100MHz 500MHz 6 3 0 –3 –6 –9 –12 –15 –18 –21 –24 V O = 0.1Vp-p G = +1 G = +2 G = +5 G = +10 FREQUENCY RESPONSE vs CAPACITIVE LOAD Frequency (20MHz/div) 100MHz 0 200MHz 12 9 6 3 0 –3 –6 –9 –12 –15 –18 C L = 10pF G = +2 C L = 22pF C L = 47pF 1k Ω 402 Ω (1k Ω is optional) 402 Ω OPA642 R S C L V IN V O C L = 100pF |
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