FEATURES
s s s s s s GENERAL DESCRIPTION
(See table below.) The KH231 Buffer/Amplifier is the ideal design alternative to low precision open-loop buffers and oscillationprone conventional op amps. Open-loop buffers, on the other hand, offer a nominal gain of 0.95 ±0.03 and a linearity of only 3% for typical loads. A buffer’s settling time may look impressive but it is usually specified at unrealistically large load resistances or when the effects of thermal tail are not included; the KH231 Buffer/Amplifier settles to 0.05% in 15ns-while driving a 100Ω load. Offsets and drifts, usually a low priority in conventional high-speed op amp designs, were not ignored in the KH231; the input offset voltage is typically 1mV and input offset voltage drift is only 10µV/°C. The KH231 is stable and oscillation-free across the entire gain range and since it’s internally compensated, the user is saved the trouble of designing external compensation networks and having to “tweak” them in production. The...
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