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OPA688U Datasheet(PDF) 10 Page - Texas Instruments |
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OPA688U Datasheet(HTML) 10 Page - Texas Instruments |
10 / 18 page OPA688 10 SBOS082A TYPICAL PERFORMANCE CURVES : VS = +5V G = +2, RF = 402Ω, RL = 500Ω tied to VCM = 2.5V, VL = VCM –1.2V, VH = VCM +1.2V, (Figure 2 for AC performance only), unless otherwise noted. 6 3 0 –3 –6 –9 –12 –15 –18 –21 –24 INVERTING SMALL-SIGNAL FREQUENCY RESPONSE Frequency (Hz) 1M 10M 100M 1G V O = 0.2Vp-p G = –5 G = –2 G = –2 G = –1 12.0 9.0 6.0 3.0 0 –3.0 –6.0 –9.0 –12.0 –15.0 –18.0 LARGE-SIGNAL FREQUENCY RESPONSE Frequency (Hz) 1M 10M 100M 1G 2.0Vp-p ≤ 0.2Vp-p G = +2 –40 –45 –50 –55 –60 –65 –70 –75 –80 –85 –90 HARMONIC DISTORTION vs FREQUENCY Frequency (Hz) 1M 10M 20M V O = 2Vp-p R L = 500Ω HD2 HD3 12 9 6 3 0 –3 –6 –9 –12 –15 –18 NON-INVERTING SMALL-SIGNAL FREQUENCY RESPONSE Frequency (Hz) 1M 10M 100M 1G V O = 0.2Vp-p G = +1, R C = ∞, RF = 25Ω G = +1, R C = 175Ω, RF = 25Ω G = +2, R C = ∞ G = +5, R C = ∞ R F R S 150 Ω R G R C V O V IN –40 –45 –50 –55 –60 –65 –70 –75 –80 –85 –90 HARMONIC DISTORTION NEAR LIMIT VOLTAGES | Limit Voltages – 2.5V DC | 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 V O = 2.5V ±1Vp f 1 = 5MHz R L = 500Ω HD2 HD3 V H AND VL—LIMITED PULSE RESPONSE 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0 Time (20ns/div) V H = VCM +1.2V V L = VCM –1.2V V O V O V IN V IN V CM = 2.5V |
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