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OPA644 Fiches technique(PDF) 6 Page - Burr-Brown (TI) |
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OPA644 Fiches technique(HTML) 6 Page - Burr-Brown (TI) |
6 / 13 page ® OPA644 6 LARGE SIGNAL TRANSIENT RESPONSE (G = +2, R L = 100Ω) Time (5ns/Div) 2.0 1.6 1.2 0.8 0.4 0 –0.4 –0.8 –1.2 –1.6 –2.0 FEEDBACK RESISTOR vs GAIN FOR OPTIMUM BANDWIDTH 8 7 6 5 4 3 2 1 0 10 100 1k 50 500 Feedback Resistance ( Ω) G = +10V/V CLOSED-LOOP SMALL SIGNAL BANDWIDTH 29 26 23 20 17 14 11 8 5 1M 10M 100M 1G 0 –45 –90 –135 Frequency (Hz) Gain Closed-Loop Phase Bandwidth = 144MHz G = +5V/V CLOSED-LOOP SMALL SIGNAL BANDWIDTH 20 17 14 11 8 5 2 1M 10M 100M 1G 0 –45 –90 –135 Frequency (Hz) Gain Closed-Loop Phase Bandwidth = 181MHz G = +2V/V CLOSED-LOOP SMALL SIGNAL BANDWIDTH 15 12 9 6 3 0 –3 –6 –9 –12 1M 10M 100M 1G 0 –45 –90 –135 –180 Frequency (Hz) Gain Closed-Loop Phase Bandwidth = 335MHz G = +1V/V CLOSED-LOOP SMALL SIGNAL BANDWIDTH 9 6 3 0 –3 –6 –9 –12 –15 –18 –21 1M 10M 100M 1G 10G Frequency (Hz) –180 –225 –270 –315 –360 Gain Closed-Loop Phase Bandwidth = 558MHz TYPICAL PERFORMANCE CURVES (CONT) At TA = +25°C, VS = ±5V, RL = 100Ω, CL = 2pF, RFB = 402Ω and all four power supply pins are used, unless otherwise noted. RFB = 25Ω for a gain of +1. |
Numéro de pièce similaire - OPA644 |
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Description similaire - OPA644 |
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