OPA657UB Datasheet

High Speed Operational Amplifiers


The OPA657UB combines a high gain bandwidth, low distor-tion,voltage-feedback op amp with a low voltage noise JFET-input stage to offer a very high dynamic range amplifier for high precision ADC (Analog-to-Digital Converter) driving or wideband transimpedance applications. Photodiode applications will see improved noise and bandwidth using this decompensated,high gain bandwidth amplifier. OPA657UB Features • High gain bandwidth product:1.6GHz• High bandwidth 275MHz(G=+10)• Low input offset voltage:±0.25mV• Low input bias current:2pA• High output current:70mA• Fast overdrive recovery OPA657UB Applications • Wideband photodiode AMP lifier• Wafer scanning equipment• ADC input AMP lifier• Test and measur ement front end• High gain precision AMP lifier


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